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/src/main/java/jp/co/future/uroborosql/SqlAgentImpl.java

/**
 * Copyright (c) 2017-present, Future Corporation
 *
 * This source code is licensed under the MIT license found in the
 * LICENSE file in the root directory of this source tree.
 */
package jp.co.future.uroborosql;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.time.Duration;
import java.time.Instant;
import java.time.LocalTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Comparator;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Optional;
import java.util.Spliterator;
import java.util.Spliterators;
import java.util.concurrent.atomic.AtomicReference;
import java.util.function.Consumer;
import java.util.function.Supplier;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import java.util.stream.StreamSupport;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.slf4j.MDC;

import jp.co.future.uroborosql.config.SqlConfig;
import jp.co.future.uroborosql.connection.ConnectionContext;
import jp.co.future.uroborosql.context.ExecutionContext;
import jp.co.future.uroborosql.context.ExecutionContextImpl;
import jp.co.future.uroborosql.converter.MapResultSetConverter;
import jp.co.future.uroborosql.converter.ResultSetConverter;
import jp.co.future.uroborosql.coverage.CoverageData;
import jp.co.future.uroborosql.coverage.CoverageHandler;
import jp.co.future.uroborosql.dialect.Dialect;
import jp.co.future.uroborosql.enums.InsertsType;
import jp.co.future.uroborosql.enums.SqlKind;
import jp.co.future.uroborosql.event.BeforeParseSqlEvent;
import jp.co.future.uroborosql.event.ProcedureEvent;
import jp.co.future.uroborosql.event.SqlBatchEvent;
import jp.co.future.uroborosql.event.SqlQueryEvent;
import jp.co.future.uroborosql.event.SqlUpdateEvent;
import jp.co.future.uroborosql.event.TransformSqlEvent;
import jp.co.future.uroborosql.exception.EntitySqlRuntimeException;
import jp.co.future.uroborosql.exception.OptimisticLockException;
import jp.co.future.uroborosql.exception.PessimisticLockException;
import jp.co.future.uroborosql.exception.UroborosqlRuntimeException;
import jp.co.future.uroborosql.exception.UroborosqlSQLException;
import jp.co.future.uroborosql.fluent.Procedure;
import jp.co.future.uroborosql.fluent.SqlBatch;
import jp.co.future.uroborosql.fluent.SqlEntityDelete;
import jp.co.future.uroborosql.fluent.SqlEntityQuery;
import jp.co.future.uroborosql.fluent.SqlEntityUpdate;
import jp.co.future.uroborosql.fluent.SqlQuery;
import jp.co.future.uroborosql.fluent.SqlUpdate;
import jp.co.future.uroborosql.mapping.EntityHandler;
import jp.co.future.uroborosql.mapping.MappingColumn;
import jp.co.future.uroborosql.mapping.MappingUtils;
import jp.co.future.uroborosql.mapping.TableMetadata;
import jp.co.future.uroborosql.parser.SqlParserImpl;
import jp.co.future.uroborosql.store.SqlResourceManager;
import jp.co.future.uroborosql.tx.LocalTransactionManager;
import jp.co.future.uroborosql.tx.TransactionManager;
import jp.co.future.uroborosql.utils.CaseFormat;
import jp.co.future.uroborosql.utils.StringUtils;

/**
 * SQL実行用クラス。
 *
 * @author H.Sugimoto
 */
public class SqlAgentImpl implements SqlAgent {
        /** ロガー */
        private static final Logger LOG = LoggerFactory.getLogger("jp.co.future.uroborosql.log");

        /** SQLロガー */
        private static final Logger SQL_LOG = LoggerFactory.getLogger("jp.co.future.uroborosql.sql");

        /** SQLカバレッジ用ロガー */
        private static final Logger COVERAGE_LOG = LoggerFactory.getLogger("jp.co.future.uroborosql.sql.coverage");

        /** パフォーマンスロガー */
        private static final Logger PERFORMANCE_LOG = LoggerFactory.getLogger("jp.co.future.uroborosql.performance");

        /** ログ出力を抑止するためのMDCキー */
        private static final String SUPPRESS_PARAMETER_LOG_OUTPUT = "SuppressParameterLogOutput";

        /** ExecutionContext属性キー:リトライカウント */
        private static final String CTX_ATTR_KEY_RETRY_COUNT = "__retryCount";

        /** ExecutionContext属性キー:バインドパラメータコメントの出力有無 */
        private static final String CTX_ATTR_KEY_OUTPUT_BIND_COMMENT = "__outputBindComment";

        /** 例外発生にロールバックが必要なDBでリトライを実現するために設定するSavepointの名前 */
        private static final String RETRY_SAVEPOINT_NAME = "__retry_savepoint";

        /** IN句に渡すパラメータのMAXサイズ */
        private static final int IN_CLAUSE_MAX_PARAM_SIZE = 1000;

        /** 経過時間のフォーマッタ */
        private static final DateTimeFormatter ELAPSED_TIME_FORMAT = DateTimeFormatter.ofPattern("HH:mm:ss.SSSSSS");

        /** カバレッジハンドラ */
        private static final AtomicReference<CoverageHandler> coverageHandlerRef = new AtomicReference<>();

        /** SQL設定管理クラス */
        private final SqlConfig sqlConfig;

        /** トランザクション管理機能 */
        private final TransactionManager transactionManager;

        /** 例外発生時のログ出力を行うかどうか デフォルトは<code>true</code> */
        private final boolean outputExceptionLog;

        /** クエリータイムアウト制限値 */
        private int queryTimeout = -1;

        /** フェッチサイズ */
        private int fetchSize = -1;

        /** SQL実行エラー時にリトライするエラーコードのリスト */
        private List<String> sqlRetryCodes = List.of();

        /** SQL実行エラー時の最大リトライ回数 */
        private int maxRetryCount = 0;

        /** SQL実行リトライ時の待機時間(ms) */
        private int retryWaitTime = 0;

        /** SQLを特定するための一意なIDに置換するためのキー */
        private final String keySqlId;

        /** Queryの結果を格納するMapのキーを生成する際に使用するCaseFormat */
        private CaseFormat mapKeyCaseFormat = CaseFormat.UPPER_SNAKE_CASE;

        /** {@link InsertsType} */
        private InsertsType insertsType = InsertsType.BATCH;

        static {
                // SQLカバレッジ取得用のクラス名を設定する。指定がない場合、またはfalseが指定された場合はカバレッジを収集しない。
                // クラス名が指定されている場合はそのクラス名を指定
                var sqlCoverageClassName = System.getProperty(KEY_SQL_COVERAGE);
                if (sqlCoverageClassName == null) {
                        COVERAGE_LOG.info("system property - uroborosql.sql.coverage not set. sql coverage turned off.");
                } else if (Boolean.FALSE.toString().equalsIgnoreCase(sqlCoverageClassName)) {
                        sqlCoverageClassName = null;
                        COVERAGE_LOG.info("system property - uroborosql.sql.coverage is set to false. sql coverage turned off.");
                } else if (Boolean.TRUE.toString().equalsIgnoreCase(sqlCoverageClassName)) {
                        // trueの場合は、デフォルト値を設定
                        sqlCoverageClassName = "jp.co.future.uroborosql.coverage.CoberturaCoverageHandler";
                        COVERAGE_LOG.info("system property - uroborosql.sql.coverage is set to true. sql coverage turned on.");
                }

                CoverageHandler handler = null;
                if (sqlCoverageClassName != null) {
                        try {
                                handler = (CoverageHandler) Class.forName(sqlCoverageClassName, true,
                                                Thread.currentThread().getContextClassLoader()).getConstructor().newInstance();
                                COVERAGE_LOG.info("CoverageHandler : {}", sqlCoverageClassName);
                        } catch (Exception ex) {
                                COVERAGE_LOG.warn("Failed to generate CoverageHandler class. Class:{}, Cause:{}", sqlCoverageClassName,
                                                ex.getMessage());
                        }
                }

                if (handler != null) {
                        coverageHandlerRef.set(handler);
                }
        }

        /**
         * コンストラクタ。
         *
         * @param sqlConfig SQL設定管理クラス
         * @param settings 設定情報
         * @param connectionContext DB接続情報
         */
        SqlAgentImpl(final SqlConfig sqlConfig, final Map<String, String> settings,
                        final ConnectionContext connectionContext) {
                this.sqlConfig = sqlConfig;
                this.transactionManager = new LocalTransactionManager(sqlConfig, connectionContext);

                // デフォルトプロパティ設定
                if (settings.containsKey(SqlAgentProvider.PROPS_KEY_FETCH_SIZE)) {
                        this.fetchSize = Integer.parseInt(settings.get(SqlAgentProvider.PROPS_KEY_FETCH_SIZE));
                }
                if (settings.containsKey(SqlAgentProvider.PROPS_KEY_QUERY_TIMEOUT)) {
                        this.queryTimeout = Integer.parseInt(settings.get(SqlAgentProvider.PROPS_KEY_QUERY_TIMEOUT));
                }
                if (settings.containsKey(SqlAgentProvider.PROPS_KEY_SQL_RETRY_CODES)) {
                        this.sqlRetryCodes = Collections.unmodifiableList(Arrays.asList(settings.get(
                                        SqlAgentProvider.PROPS_KEY_SQL_RETRY_CODES).split(",")));
                }
                if (settings.containsKey(SqlAgentProvider.PROPS_KEY_DEFAULT_MAX_RETRY_COUNT)) {
                        this.maxRetryCount = Integer.parseInt(settings.get(SqlAgentProvider.PROPS_KEY_DEFAULT_MAX_RETRY_COUNT));
                }
                if (settings.containsKey(SqlAgentProvider.PROPS_KEY_DEFAULT_SQL_RETRY_WAIT_TIME)) {
                        this.retryWaitTime = Integer.parseInt(settings
                                        .get(SqlAgentProvider.PROPS_KEY_DEFAULT_SQL_RETRY_WAIT_TIME));
                }
                if (settings.containsKey(SqlAgentProvider.PROPS_KEY_SQL_ID_KEY_NAME)) {
                        this.keySqlId = settings.get(SqlAgentProvider.PROPS_KEY_SQL_ID_KEY_NAME);
                } else {
                        this.keySqlId = "_SQL_ID_";
                }
                if (settings.containsKey(SqlAgentProvider.PROPS_KEY_DEFAULT_MAP_KEY_CASE_FORMAT)) {
                        this.mapKeyCaseFormat = CaseFormat.valueOf(settings
                                        .get(SqlAgentProvider.PROPS_KEY_DEFAULT_MAP_KEY_CASE_FORMAT));
                }
                if (settings.containsKey(SqlAgentProvider.PROPS_KEY_DEFAULT_INSERTS_TYPE)) {
                        this.insertsType = InsertsType.valueOf(settings
                                        .get(SqlAgentProvider.PROPS_KEY_DEFAULT_INSERTS_TYPE));
                }
                if (settings.containsKey(SqlAgentProviderImpl.PROPS_KEY_OUTPUT_EXCEPTION_LOG)) {
                        outputExceptionLog = Boolean
                                        .parseBoolean(settings.get(SqlAgentProviderImpl.PROPS_KEY_OUTPUT_EXCEPTION_LOG));
                } else {
                        outputExceptionLog = true;
                }
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#close()
         */
        @Override
        public void close() {
                transactionManager.close();
                if (coverageHandlerRef.get() != null) {
                        coverageHandlerRef.get().onSqlAgentClose();
                }
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.connection.ConnectionManager#getConnection()
         */
        @Override
        public Connection getConnection() {
                return transactionManager.getConnection();
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.tx.TransactionManager#required(java.lang.Runnable)
         */
        @Override
        public void required(final Runnable runnable) {
                transactionManager.required(runnable);
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.tx.TransactionManager#required(java.util.function.Supplier)
         */
        @Override
        public <R> R required(final Supplier<R> supplier) {
                return transactionManager.required(supplier);
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.tx.TransactionManager#requiresNew(jp.co.future.uroborosql.tx.Runnable)
         */
        @Override
        public void requiresNew(final Runnable runnable) {
                transactionManager.requiresNew(runnable);
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.tx.TransactionManager#requiresNew(java.util.function.Supplier)
         */
        @Override
        public <R> R requiresNew(final Supplier<R> supplier) {
                return transactionManager.requiresNew(supplier);
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.tx.TransactionManager#notSupported(java.lang.Runnable)
         */
        @Override
        public void notSupported(final Runnable runnable) {
                transactionManager.notSupported(runnable);
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.tx.TransactionManager#notSupported(java.util.function.Supplier)
         */
        @Override
        public <R> R notSupported(final Supplier<R> supplier) {
                return transactionManager.notSupported(supplier);
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.tx.TransactionManager#setRollbackOnly()
         */
        @Override
        public void setRollbackOnly() {
                transactionManager.setRollbackOnly();
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.tx.TransactionManager#setSavepoint(java.lang.String)
         */
        @Override
        public void setSavepoint(final String savepointName) {
                transactionManager.setSavepoint(savepointName);
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.tx.TransactionManager#releaseSavepoint(java.lang.String)
         */
        @Override
        public void releaseSavepoint(final String savepointName) {
                transactionManager.releaseSavepoint(savepointName);
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.tx.TransactionManager#rollback(java.lang.String)
         */
        @Override
        public void rollback(final String savepointName) {
                transactionManager.rollback(savepointName);
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.tx.TransactionManager#savepointScope(java.util.function.Supplier)
         */
        @Override
        public <R> R savepointScope(final Supplier<R> supplier) {
                return transactionManager.savepointScope(supplier);
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.tx.TransactionManager#savepointScope(java.lang.Runnable)
         */
        @Override
        public void savepointScope(final Runnable runnable) {
                transactionManager.savepointScope(runnable);
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.tx.TransactionManager#autoCommitScope(java.util.function.Supplier)
         */
        @Override
        public <R> R autoCommitScope(final Supplier<R> supplier) {
                return transactionManager.autoCommitScope(supplier);
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.tx.TransactionManager#autoCommitScope(java.lang.Runnable)
         */
        @Override
        public void autoCommitScope(final Runnable runnable) {
                transactionManager.autoCommitScope(runnable);
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.connection.ConnectionManager#commit()
         */
        @Override
        public void commit() {
                transactionManager.commit();
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.connection.ConnectionManager#rollback()
         */
        @Override
        public void rollback() {
                transactionManager.rollback();
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#query(java.lang.String)
         */
        @Override
        public SqlQuery query(final String sqlName) {
                return new SqlQueryImpl(this, context().setSqlName(sqlName));
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#queryWith(java.lang.String)
         */
        @Override
        public SqlQuery queryWith(final String sql) {
                return new SqlQueryImpl(this, context().setSql(sql));
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#update(java.lang.String)
         */
        @Override
        public SqlUpdate update(final String sqlName) {
                return new SqlUpdateImpl(this, context().setSqlName(sqlName));
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#updateWith(java.lang.String)
         */
        @Override
        public SqlUpdate updateWith(final String sql) {
                return new SqlUpdateImpl(this, context().setSql(sql));
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#batch(java.lang.String)
         */
        @Override
        public SqlBatch batch(final String sqlName) {
                return new SqlBatchImpl(this, context().setSqlName(sqlName));
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#batchWith(java.lang.String)
         */
        @Override
        public SqlBatch batchWith(final String sql) {
                return new SqlBatchImpl(this, context().setSql(sql));
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#proc(java.lang.String)
         */
        @Override
        public Procedure proc(final String sqlName) {
                return new ProcedureImpl(this, context().setSqlName(sqlName));
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#procWith(java.lang.String)
         */
        @Override
        public Procedure procWith(final String sql) {
                return new ProcedureImpl(this, context().setSql(sql));
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#query(java.lang.Class)
         */
        @Override
        public <E> SqlEntityQuery<E> query(final Class<? extends E> entityType) {
                var handler = this.getEntityHandler();
                if (!handler.getEntityType().isAssignableFrom(entityType)) {
                        throw new IllegalArgumentException("Entity type not supported");
                }
                try {
                        var metadata = handler.getMetadata(this.transactionManager, entityType);
                        var context = handler.createSelectContext(this, metadata, entityType, false);
                        return new SqlEntityQueryImpl<>(this, handler, metadata, context, entityType);
                } catch (SQLException e) {
                        throw new EntitySqlRuntimeException(SqlKind.SELECT, e);
                }
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#inserts(java.lang.Class, java.util.stream.Stream, jp.co.future.uroborosql.SqlAgent.InsertsCondition, jp.co.future.uroborosql.enums.InsertsType)
         */
        @Override
        public <E> int inserts(final Class<E> entityType,
                        final Stream<E> entities,
                        final InsertsCondition<? super E> condition,
                        final InsertsType insertsType) {
                if (insertsType == InsertsType.BULK && getDialect().supportsBulkInsert()) {
                        return bulkInsert(entityType, entities, condition, null);
                } else {
                        return batchInsert(entityType, entities, condition, null);
                }
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#inserts(java.lang.Class, java.util.stream.Stream)
         */
        @Override
        public <E> int inserts(final Class<E> entityType,
                        final Stream<E> entities) {
                return inserts(entityType, entities, getInsertsCondition(getInsertsType()));
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#inserts(java.lang.Class, java.util.stream.Stream, jp.co.future.uroborosql.SqlAgent.InsertsCondition)
         */
        @Override
        public <E> int inserts(final Class<E> entityType,
                        final Stream<E> entities,
                        final InsertsCondition<? super E> condition) {
                return inserts(entityType, entities, condition, getInsertsType());
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#inserts(java.lang.Class, java.util.stream.Stream, jp.co.future.uroborosql.enums.InsertsType)
         */
        @Override
        public <E> int inserts(final Class<E> entityType,
                        final Stream<E> entities,
                        final InsertsType insertsType) {
                return inserts(entityType, entities, getInsertsCondition(insertsType), insertsType);
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#inserts(java.util.stream.Stream, jp.co.future.uroborosql.SqlAgent.InsertsCondition, jp.co.future.uroborosql.enums.InsertsType)
         */
        @Override
        public <E> int inserts(final Stream<E> entities,
                        final InsertsCondition<? super E> condition,
                        final InsertsType insertsType) {
                var iterator = entities.iterator();
                if (!iterator.hasNext()) {
                        return 0;
                }
                var firstEntity = iterator.next();
                @SuppressWarnings("unchecked")
                var type = (Class<E>) firstEntity.getClass();
                var stream = Stream.concat(Stream.of(firstEntity),
                                StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterator, Spliterator.NONNULL), false));
                return inserts(type, stream, condition, insertsType);
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#inserts(java.util.stream.Stream)
         */
        @Override
        public <E> int inserts(final Stream<E> entities) {
                return inserts(entities, getInsertsCondition(getInsertsType()));
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#inserts(java.util.stream.Stream, jp.co.future.uroborosql.SqlAgent.InsertsCondition)
         */
        @Override
        public <E> int inserts(final Stream<E> entities,
                        final InsertsCondition<? super E> condition) {
                return inserts(entities, condition, getInsertsType());
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#inserts(java.util.stream.Stream, jp.co.future.uroborosql.enums.InsertsType)
         */
        @Override
        public <E> int inserts(final Stream<E> entities,
                        final InsertsType insertsType) {
                return inserts(entities, getInsertsCondition(insertsType), insertsType);
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#insertsAndReturn(java.lang.Class, java.util.stream.Stream, jp.co.future.uroborosql.SqlAgent.InsertsCondition, jp.co.future.uroborosql.enums.InsertsType)
         */
        @Override
        public <E> Stream<E> insertsAndReturn(final Class<E> entityType,
                        final Stream<E> entities,
                        final InsertsCondition<? super E> condition,
                        final InsertsType insertsType) {
                var insertedEntities = new ArrayList<E>();
                if (insertsType == InsertsType.BULK && getDialect().supportsBulkInsert()) {
                        bulkInsert(entityType, entities, condition, insertedEntities);
                } else {
                        batchInsert(entityType, entities, condition, insertedEntities);
                }
                return insertedEntities.stream();
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#insertsAndReturn(java.lang.Class, java.util.stream.Stream, jp.co.future.uroborosql.SqlAgent.InsertsCondition)
         */
        @Override
        public <E> Stream<E> insertsAndReturn(final Class<E> entityType,
                        final Stream<E> entities,
                        final InsertsCondition<? super E> condition) {
                return insertsAndReturn(entityType, entities, condition, getInsertsType());
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#insertsAndReturn(java.lang.Class, java.util.stream.Stream)
         */
        @Override
        public <E> Stream<E> insertsAndReturn(final Class<E> entityType,
                        final Stream<E> entities) {
                return insertsAndReturn(entityType, entities, getInsertsCondition(getInsertsType()));
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#insertsAndReturn(java.lang.Class, java.util.stream.Stream, jp.co.future.uroborosql.enums.InsertsType)
         */
        @Override
        public <E> Stream<E> insertsAndReturn(final Class<E> entityType,
                        final Stream<E> entities,
                        final InsertsType insertsType) {
                return insertsAndReturn(entityType, entities, getInsertsCondition(insertsType), insertsType);
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#insertsAndReturn(java.util.stream.Stream, jp.co.future.uroborosql.SqlAgent.InsertsCondition, jp.co.future.uroborosql.enums.InsertsType)
         */
        @Override
        public <E> Stream<E> insertsAndReturn(final Stream<E> entities,
                        final InsertsCondition<? super E> condition,
                        final InsertsType insertsType) {
                var iterator = entities.iterator();
                if (!iterator.hasNext()) {
                        return Stream.empty();
                }
                var firstEntity = iterator.next();
                @SuppressWarnings("unchecked")
                var type = (Class<E>) firstEntity.getClass();
                var stream = Stream.concat(Stream.of(firstEntity),
                                StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterator, Spliterator.NONNULL), false));
                return insertsAndReturn(type, stream, condition, insertsType);
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#insertsAndReturn(java.util.stream.Stream, jp.co.future.uroborosql.SqlAgent.InsertsCondition)
         */
        @Override
        public <E> Stream<E> insertsAndReturn(final Stream<E> entities,
                        final InsertsCondition<? super E> condition) {
                return insertsAndReturn(entities, condition, getInsertsType());
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#insertsAndReturn(java.util.stream.Stream)
         */
        @Override
        public <E> Stream<E> insertsAndReturn(final Stream<E> entities) {
                return insertsAndReturn(entities, getInsertsCondition(getInsertsType()));
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#insertsAndReturn(java.util.stream.Stream, jp.co.future.uroborosql.enums.InsertsType)
         */
        @Override
        public <E> Stream<E> insertsAndReturn(final Stream<E> entities,
                        final InsertsType insertsType) {
                return insertsAndReturn(entities, getInsertsCondition(insertsType), insertsType);
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#updates(java.lang.Class, java.util.stream.Stream, jp.co.future.uroborosql.SqlAgent.UpdatesCondition)
         */
        @Override
        public <E> int updates(final Class<E> entityType,
                        final Stream<E> entities,
                        final UpdatesCondition<? super E> condition) {
                return batchUpdate(entityType, entities, condition, null);
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#updatesAndReturn(java.lang.Class, java.util.stream.Stream, jp.co.future.uroborosql.SqlAgent.UpdatesCondition)
         */
        @Override
        public <E> Stream<E> updatesAndReturn(final Class<E> entityType,
                        final Stream<E> entities,
                        final UpdatesCondition<? super E> condition) {
                var updatedEntities = new ArrayList<E>();
                batchUpdate(entityType, entities, condition, updatedEntities);
                return updatedEntities.stream();
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#updates(java.lang.Class, java.util.stream.Stream)
         */
        @Override
        public <E> int updates(final Class<E> entityType,
                        final Stream<E> entities) {
                return updates(entityType, entities, DEFAULT_UPDATES_WHEN_CONDITION);
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#updatesAndReturn(java.lang.Class, java.util.stream.Stream)
         */
        @Override
        public <E> Stream<E> updatesAndReturn(final Class<E> entityType,
                        final Stream<E> entities) {
                return updatesAndReturn(entityType, entities, DEFAULT_UPDATES_WHEN_CONDITION);
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#updates(java.util.stream.Stream, jp.co.future.uroborosql.SqlAgent.UpdatesCondition)
         */
        @Override
        public <E> int updates(final Stream<E> entities,
                        final UpdatesCondition<? super E> condition) {
                var iterator = entities.iterator();
                if (!iterator.hasNext()) {
                        return 0;
                }
                var firstEntity = iterator.next();
                @SuppressWarnings("unchecked")
                var type = (Class<E>) firstEntity.getClass();
                var stream = Stream.concat(Stream.of(firstEntity),
                                StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterator, Spliterator.NONNULL), false));
                return updates(type, stream, condition);
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#updatesAndReturn(java.util.stream.Stream, jp.co.future.uroborosql.SqlAgent.UpdatesCondition)
         */
        @Override
        public <E> Stream<E> updatesAndReturn(final Stream<E> entities,
                        final UpdatesCondition<? super E> condition) {
                var iterator = entities.iterator();
                if (!iterator.hasNext()) {
                        return Stream.empty();
                }
                var firstEntity = iterator.next();
                @SuppressWarnings("unchecked")
                var type = (Class<E>) firstEntity.getClass();
                var stream = Stream.concat(Stream.of(firstEntity),
                                StreamSupport.stream(Spliterators.spliteratorUnknownSize(iterator, Spliterator.NONNULL), false));
                return updatesAndReturn(type, stream, condition);
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#updates(java.util.stream.Stream)
         */
        @Override
        public <E> int updates(final Stream<E> entities) {
                return updates(entities, DEFAULT_UPDATES_WHEN_CONDITION);
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#updatesAndReturn(java.util.stream.Stream)
         */
        @Override
        public <E> Stream<E> updatesAndReturn(final Stream<E> entities) {
                return updatesAndReturn(entities, DEFAULT_UPDATES_WHEN_CONDITION);
        }

        private <E> InsertsCondition<? super E> getInsertsCondition(final InsertsType insertsType) {
                return InsertsType.BATCH.equals(insertsType)
                                ? DEFAULT_BATCH_INSERTS_WHEN_CONDITION
                                : DEFAULT_BULK_INSERTS_WHEN_CONDITION;
        }

        /**
         * 複数エンティティのBULK INSERTを実行
         *
         * @param <E> エンティティの型
         * @param entityType エンティティの型
         * @param entities エンティティ
         * @param condition 一括INSERT用のフレームの判定条件
         * @param insertedEntities INSERTしたEntityのList. <code>null</code>の場合は格納されない
         * @return SQL実行結果
         */
        private <E> int batchInsert(final Class<E> entityType, final Stream<E> entities,
                        final InsertsCondition<? super E> condition, final List<E> insertedEntities) {
                EntityHandler<E> handler = this.getEntityHandler();
                if (!handler.getEntityType().isAssignableFrom(entityType)) {
                        throw new IllegalArgumentException("Entity type not supported");
                }

                try {
                        var metadata = handler.getMetadata(this.transactionManager, entityType);
                        var context = handler.createBatchInsertContext(this, metadata, entityType);
                        context.setSqlKind(SqlKind.BATCH_INSERT);

                        var count = 0;
                        var entityList = new ArrayList<E>();
                        var isFirst = true;
                        List<MappingColumn> autoGeneratedColumns = List.of();
                        Map<String, Object> nonNullObjectIdFlags = null;
                        for (var iterator = entities.iterator(); iterator.hasNext();) {
                                var entity = iterator.next();

                                if (!entityType.isInstance(entity)) {
                                        throw new IllegalArgumentException("Entity types do not match");
                                }

                                if (isFirst) {
                                        isFirst = false;
                                        var mappingColumns = MappingUtils.getMappingColumns(metadata.getSchema(), entityType);
                                        autoGeneratedColumns = getAutoGeneratedColumns(context, mappingColumns, metadata, entity);

                                        // SQLのID項目IF分岐判定をtrueにするために値が設定されているID項目を保持しておく
                                        var excludeColumns = autoGeneratedColumns;
                                        nonNullObjectIdFlags = Arrays.stream(mappingColumns)
                                                        .filter(col -> !excludeColumns.contains(col)
                                                                        && !col.getJavaType().getRawType().isPrimitive()
                                                                        && col.getValue(entity) != null)
                                                        .collect(Collectors.toMap(MappingColumn::getCamelName, col -> true));
                                }

                                entityList.add(entity);
                                if (insertedEntities != null) {
                                        insertedEntities.add(entity);
                                }

                                handler.setInsertParams(context, entity);
                                context.addBatch();
                                // SQLのID項目IF分岐判定をtrueにするためにaddBatch()の後に保持しておいたID項目をcontextにバインドする
                                if (nonNullObjectIdFlags != null && !nonNullObjectIdFlags.isEmpty()) {
                                        context.paramMap(nonNullObjectIdFlags);
                                }
                                if (condition.test(context, context.batchCount(), entity)) {
                                        count += Arrays.stream(doBatchInsert(context, handler, entityList, autoGeneratedColumns)).sum();
                                        entityList.clear();
                                }
                        }
                        return count + (context.batchCount() != 0
                                        ? Arrays.stream(doBatchInsert(context, handler, entityList, autoGeneratedColumns)).sum()
                                        : 0);
                } catch (SQLException e) {
                        throw new EntitySqlRuntimeException(SqlKind.BATCH_INSERT, e);
                }
        }

        private <E> int[] doBatchInsert(final ExecutionContext context, final EntityHandler<E> handler,
                        final List<E> entityList, final List<MappingColumn> autoGeneratedColumns) throws SQLException {
                var counts = handler.doBatchInsert(this, context);
                if (!autoGeneratedColumns.isEmpty()) {
                        var ids = context.getGeneratedKeyValues();
                        var idx = 0;
                        for (E ent : entityList) {
                                for (var col : autoGeneratedColumns) {
                                        setEntityIdValue(ent, ids[idx++], col);
                                }
                        }
                }

                return counts;
        }

        /**
         * 複数エンティティのINSERTをバッチ実行
         *
         * @param <E> エンティティの型
         * @param entityType エンティティの型
         * @param entities エンティティ
         * @param condition 一括INSERT用のフレームの判定条件
         * @param insertedEntities INSERTしたEntityのList. <code>null</code>の場合は格納されない
         * @return SQL実行結果
         */
        private <E> int bulkInsert(final Class<E> entityType, final Stream<E> entities,
                        final InsertsCondition<? super E> condition, final List<E> insertedEntities) {
                EntityHandler<E> handler = this.getEntityHandler();
                if (!handler.getEntityType().isAssignableFrom(entityType)) {
                        throw new IllegalArgumentException("Entity type not supported");
                }

                try {
                        var metadata = handler.getMetadata(this.transactionManager, entityType);
                        var context = handler.createBulkInsertContext(this, metadata, entityType);
                        context.setSqlKind(SqlKind.BULK_INSERT);

                        var frameCount = 0;
                        var count = 0;
                        var isFirst = true;
                        List<MappingColumn> autoGeneratedColumns = List.of();
                        Map<String, Object> nonNullObjectIdFlags = null;
                        var entityList = new ArrayList<E>();
                        for (var iterator = entities.iterator(); iterator.hasNext();) {
                                var entity = iterator.next();

                                if (!entityType.isInstance(entity)) {
                                        throw new IllegalArgumentException("Entity types do not match");
                                }

                                if (isFirst) {
                                        isFirst = false;
                                        var mappingColumns = MappingUtils.getMappingColumns(metadata.getSchema(), entityType);
                                        autoGeneratedColumns = getAutoGeneratedColumns(context, mappingColumns, metadata, entity);

                                        // SQLのID項目IF分岐判定をtrueにするために値が設定されているID項目を保持しておく
                                        var excludeColumns = autoGeneratedColumns;
                                        // indexなしのid値がcontextにバインドされないため、値としてkey=trueを退避しておく
                                        nonNullObjectIdFlags = Arrays.stream(mappingColumns)
                                                        .filter(col -> !excludeColumns.contains(col)
                                                                        && !col.getJavaType().getRawType().isPrimitive()
                                                                        && col.getValue(entity) != null)
                                                        .collect(Collectors.toMap(MappingColumn::getCamelName, col -> true));
                                }
                                // 退避しておいたid値をこのタイミングで設定する
                                if (nonNullObjectIdFlags != null && !nonNullObjectIdFlags.isEmpty()) {
                                        context.paramMap(nonNullObjectIdFlags);
                                }

                                entityList.add(entity);
                                if (insertedEntities != null) {
                                        insertedEntities.add(entity);
                                }

                                handler.setBulkInsertParams(context, entity, frameCount);
                                frameCount++;

                                if (condition.test(context, frameCount, entity)) {
                                        count += doBulkInsert(context, entityType, handler, metadata, autoGeneratedColumns, entityList);
                                        frameCount = 0;
                                        entityList.clear();

                                        // 新しいExecutionContextを作成する前にgeneratedKeyColumnsを退避しておく
                                        var generatedKeyColumns = context.getGeneratedKeyColumns();
                                        context = handler.createBulkInsertContext(this, metadata, entityType);
                                        context.setSqlKind(SqlKind.BULK_INSERT);
                                        // 実行結果から生成されたIDを取得できるようにPreparedStatementにIDカラムを渡す
                                        context.setGeneratedKeyColumns(generatedKeyColumns);
                                }
                        }
                        return count + (frameCount > 0
                                        ? doBulkInsert(context, entityType, handler, metadata, autoGeneratedColumns, entityList)
                                        : 0);

                } catch (SQLException e) {
                        throw new EntitySqlRuntimeException(SqlKind.BULK_INSERT, e);
                }
        }

        private <E> int doBulkInsert(final ExecutionContext context, final Class<E> entityType,
                        final EntityHandler<E> handler,
                        final TableMetadata metadata, final List<MappingColumn> autoGeneratedColumns, final List<E> entityList)
                        throws SQLException {
                var count = handler.doBulkInsert(this,
                                handler.setupSqlBulkInsertContext(this, context, metadata, entityType, entityList.size()));

                if (!autoGeneratedColumns.isEmpty()) {
                        var ids = context.getGeneratedKeyValues();
                        var idx = 0;
                        for (E ent : entityList) {
                                for (var col : autoGeneratedColumns) {
                                        setEntityIdValue(ent, ids[idx++], col);
                                }
                        }
                }

                return count;
        }

        /**
         * 複数エンティティのBULK UPDATEを実行
         *
         * @param <E> エンティティの型
         * @param entityType エンティティの型
         * @param entities エンティティ
         * @param condition 一括更新用のフレームの判定条件
         * @param updatedEntities INSERTしたEntityのList. <code>null</code>の場合は格納されない
         * @return SQL実行結果
         */
        private <E> int batchUpdate(final Class<E> entityType, final Stream<E> entities,
                        final UpdatesCondition<? super E> condition, final List<E> updatedEntities) {
                var handler = this.getEntityHandler();
                if (!handler.getEntityType().isAssignableFrom(entityType)) {
                        throw new IllegalArgumentException("Entity type not supported");
                }

                try {
                        var metadata = handler.getMetadata(this.transactionManager, entityType);
                        var context = handler.createBatchUpdateContext(this, metadata, entityType);
                        context.setSqlKind(SqlKind.BATCH_UPDATE);

                        var versionColumn = MappingUtils.getVersionMappingColumn(metadata.getSchema(),
                                        entityType);
                        var entityCount = 0;
                        var updateCount = 0;
                        var entityList = new ArrayList<E>();
                        for (var iterator = entities.iterator(); iterator.hasNext();) {
                                var entity = iterator.next();

                                if (!entityType.isInstance(entity)) {
                                        throw new IllegalArgumentException("Entity types do not match");
                                }

                                entityList.add(entity);
                                if (updatedEntities != null) {
                                        updatedEntities.add(entity);
                                }
                                entityCount++;

                                handler.setUpdateParams(context, entity);
                                context.addBatch();

                                if (condition.test(context, context.batchCount(), entity)) {
                                        updateCount += Arrays.stream(handler.doBatchUpdate(this, context)).sum();
                                        entityList.clear();
                                }
                        }
                        updateCount = updateCount + (context.batchCount() != 0
                                        ? Arrays.stream(handler.doBatchUpdate(this, context)).sum()
                                        : 0);

                        if (updatedEntities != null && versionColumn.isPresent()) {
                                var vColumn = versionColumn.get();
                                var keyColumns = metadata.getColumns().stream()
                                                .filter(TableMetadata.Column::isKey)
                                                .sorted(Comparator.comparingInt(TableMetadata.Column::getKeySeq))
                                                .map(c -> MappingUtils.getMappingColumnMap(metadata.getSchema(), entityType, SqlKind.NONE)
                                                                .get(c.getCamelColumnName()))
                                                .collect(Collectors.toList());

                                if (keyColumns.size() == 1) {
                                        // 単一キーの場合はIN句で更新した行を一括取得し@Versionのついたフィールドを更新する
                                        var keyColumn = keyColumns.get(0);
                                        var updatedEntityMap = updatedEntities.stream()
                                                        .collect(Collectors.groupingBy(e -> keyColumn.getValue(e)));

                                        // updatedEntitiesのサイズが大きいとin句の上限にあたるため、1000件ずつに分割して検索する
                                        var keyList = new ArrayList<>(updatedEntityMap.keySet());
                                        var entitySize = updatedEntities.size();

                                        for (var start = 0; start < entitySize; start = start + IN_CLAUSE_MAX_PARAM_SIZE) {
                                                var end = Math.min(start + IN_CLAUSE_MAX_PARAM_SIZE, entitySize);
                                                var subList = keyList.subList(start, end);

                                                query(entityType).in(keyColumn.getCamelName(), subList).stream()
                                                                .map(e -> {
                                                                        var updatedEntity = updatedEntityMap.get(keyColumn.getValue(e)).get(0);
                                                                        vColumn.setValue(updatedEntity, vColumn.getValue(e));
                                                                        return updatedEntity;
                                                                }).count();
                                        }
                                } else if (keyColumns.size() > 1) {
                                        // 複合キーの場合はIN句で一括取得できないため1件ずつ取得して@Versionのついたフィールドを更新する
                                        updatedEntities.stream()
                                                        .map(updatedEntity -> {
                                                                var keyValues = keyColumns.stream().map(k -> k.getValue(updatedEntity)).toArray();
                                                                find(entityType, keyValues).ifPresent(e -> {
                                                                        vColumn.setValue(updatedEntity, vColumn.getValue(e));
                                                                });
                                                                return updatedEntity;
                                                        }).count();
                                }
                        }
                        if (versionColumn.isPresent() && getDialect().supportsEntityBulkUpdateOptimisticLock()
                                        && updateCount != entityCount) {
                                // バージョンカラムの指定があり、更新件数と更新対象Entityの件数が不一致の場合は楽観ロックエラーとする
                                throw new OptimisticLockException(String.format(
                                                "An error occurred due to optimistic locking.%nExecuted SQL [%n%s]%nBatch Entity Count: %d, Update Count: %d.",
                                                context.getExecutableSql(), entityCount, updateCount));
                        }
                        return updateCount;
                } catch (SQLException e) {
                        throw new EntitySqlRuntimeException(SqlKind.BATCH_UPDATE, e);
                }
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#query(jp.co.future.uroborosql.context.ExecutionContext)
         */
        @Override
        public ResultSet query(final ExecutionContext executionContext) throws SQLException {
                // パラメータログを出力する
                MDC.put(SUPPRESS_PARAMETER_LOG_OUTPUT, Boolean.FALSE.toString());

                if (SqlKind.NONE.equals(executionContext.getSqlKind())) {
                        executionContext.setSqlKind(SqlKind.SELECT);
                }

                // コンテキスト変換
                transformContext(executionContext);

                var stmt = getPreparedStatement(executionContext);

                // INパラメータ設定
                executionContext.bindParams(stmt);

                Instant startTime = null;
                if (LOG.isDebugEnabled()) {
                        LOG.debug("Execute search SQL.");
                }
                if (PERFORMANCE_LOG.isInfoEnabled()) {
                        startTime = Instant.now(getSqlConfig().getClock());
                }

                try {
                        // デフォルト最大リトライ回数を取得し、個別指定（ExecutionContextの値）があれば上書き
                        var maxRetryCount = getMaxRetryCount();
                        if (executionContext.getMaxRetryCount() >= 0) {
                                maxRetryCount = executionContext.getMaxRetryCount();
                        }

                        // デフォルトリトライ待機時間を取得し、個別指定（ExecutionContextの値）があれば上書き
                        var retryWaitTime = getRetryWaitTime();
                        if (executionContext.getRetryWaitTime() > 0) {
                                retryWaitTime = executionContext.getRetryWaitTime();
                        }
                        var loopCount = 0;
                        var dialect = getDialect();
                        ResultSet rs = null;
                        try {
                                do {
                                        try {
                                                if (maxRetryCount > 0 && dialect.isRollbackToSavepointBeforeRetry()) {
                                                        setSavepoint(RETRY_SAVEPOINT_NAME);
                                                }
                                                rs = stmt.executeQuery();
                                                // Query実行後イベント発行
                                                if (getSqlConfig().getEventListenerHolder().hasSqlQueryListener()) {
                                                        var eventObj = new SqlQueryEvent(executionContext, rs, stmt);
                                                        for (var listener : getSqlConfig().getEventListenerHolder().getSqlQueryListeners()) {
                                                                listener.accept(eventObj);
                                                        }
                                                        rs = eventObj.getResultSet();
                                                }
                                                stmt.closeOnCompletion();
                                                return new InnerResultSet(rs, stmt);
                                        } catch (SQLException ex) {
                                                if (maxRetryCount > 0 && dialect.isRollbackToSavepointBeforeRetry()) {
                                                        rollback(RETRY_SAVEPOINT_NAME);
                                                }
                                                var errorCode = String.valueOf(ex.getErrorCode());
                                                var sqlState = ex.getSQLState();
                                                var pessimisticLockingErrorCodes = dialect.getPessimisticLockingErrorCodes();
                                                if (maxRetryCount > loopCount
                                                                && (getSqlRetryCodes().contains(errorCode) || getSqlRetryCodes().contains(sqlState))) {
                                                        if (LOG.isDebugEnabled()) {
                                                                LOG.debug(String.format(
                                                                                "Caught the error code to be retried.(%d times). Retry after %,3d ms.",
                                                                                loopCount + 1, retryWaitTime));
                                                        }
                                                        if (retryWaitTime > 0) {
                                                                try {
                                                                        Thread.sleep(retryWaitTime);
                                                                } catch (InterruptedException ie) {
                                                                        // do nothing
                                                                }
                                                        }
                                                } else {
                                                        if (pessimisticLockingErrorCodes.contains(errorCode)
                                                                        || pessimisticLockingErrorCodes.contains(sqlState)) {
                                                                throw new PessimisticLockException(executionContext, ex);
                                                        } else {
                                                                throw ex;
                                                        }
                                                }
                                        } finally {
                                                if (maxRetryCount > 0 && dialect.isRollbackToSavepointBeforeRetry()) {
                                                        releaseSavepoint(RETRY_SAVEPOINT_NAME);
                                                }
                                                executionContext.contextAttrs().put(CTX_ATTR_KEY_RETRY_COUNT, loopCount);
                                        }
                                } while (maxRetryCount > loopCount++);
                        } catch (SQLException | RuntimeException e) {
                                if (rs != null && !rs.isClosed()) {
                                        rs.close();
                                }
                                throw e;
                        }
                        return null;
                } catch (SQLException ex) {
                        handleException(executionContext, ex);
                        return null;
                } finally {
                        // 後処理
                        if (PERFORMANCE_LOG.isInfoEnabled() && startTime != null) {
                                PERFORMANCE_LOG.info("SQL execution time [{}({})] : [{}]",
                                                generateSqlName(executionContext),
                                                executionContext.getSqlKind(),
                                                formatElapsedTime(startTime, Instant.now(getSqlConfig().getClock())));
                        }
                        MDC.remove(SUPPRESS_PARAMETER_LOG_OUTPUT);
                }
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#query(jp.co.future.uroborosql.context.ExecutionContext,
         *      jp.co.future.uroborosql.converter.ResultSetConverter)
         */
        @Override
        public <T> Stream<T> query(final ExecutionContext executionContext, final ResultSetConverter<T> converter)
                        throws SQLException {
                var rs = query(executionContext);
                return StreamSupport.stream(new ResultSetSpliterator<>(rs, converter), false).onClose(() -> {
                        try {
                                if (rs != null && !rs.isClosed()) {
                                        rs.close();
                                }
                        } catch (SQLException ex) {
                                // do nothing
                        }
                });
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#query(jp.co.future.uroborosql.context.ExecutionContext,
         *      jp.co.future.uroborosql.utils.CaseFormat)
         */
        @Override
        public List<Map<String, Object>> query(final ExecutionContext executionContext, final CaseFormat caseFormat)
                        throws SQLException {
                try (var stream = query(executionContext, new MapResultSetConverter(getSqlConfig(), caseFormat))) {
                        return stream.collect(Collectors.toList());
                }
        }

        /**
         * @see jp.co.future.uroborosql.SqlAgent#update(jp.co.future.uroborosql.context.ExecutionContext)
         */
        @Override
        public int update(final ExecutionContext executionContext) throws SQLException {
                // パラメータログを出力する
                MDC.put(SUPPRESS_PARAMETER_LOG_OUTPUT, Boolean.FALSE.toString());

                if (SqlKind.NONE.equals(executionContext.getSqlKind())) {
                        executionContext.setSqlKind(SqlKind.UPDATE);
                }

                // コンテキスト変換
                transformContext(executionContext);

                // 更新移譲処理の指定がある場合は移譲処理を実行し結果を返却
                if (executionContext.getUpdateDelegate() != null) {
                        MDC.remove(SUPPRESS_PARAMETER_LOG_OUTPUT);
                        LOG.debug("Performs update delegate of update process");
                        return executionContext.getUpdateDelegate().apply(executionContext);
                }

                Instant startTime = null;

                try (var stmt = getPreparedStatement(executionContext)) {

                        // INパラメータ設定
                        executionContext.bindParams(stmt);

                        if (LOG.isDebugEnabled()) {
                                LOG.debug("Execute update SQL.");
                        }
                        if (PERFORMANCE_LOG.isInfoEnabled()) {
                                startTime = Instant.now(getSqlConfig().getClock());
                        }

                        // デフォルト最大リトライ回数を取得し、個別指定（ExecutionContextの値）があれば上書き
                        var maxRetryCount = getMaxRetryCount();
                        if (executionContext.getMaxRetryCount() >= 0) {
                                maxRetryCount = executionContext.getMaxRetryCount();
                        }

                        // デフォルトリトライ待機時間を取得し、個別指定（ExecutionContextの値）があれば上書き
                        var retryWaitTime = getRetryWaitTime();
                        if (executionContext.getRetryWaitTime() > 0) {
                                retryWaitTime = executionContext.getRetryWaitTime();
                        }
                        var loopCount = 0;
                        do {
                                try {
                                        if (maxRetryCount > 0 && getDialect().isRollbackToSavepointBeforeRetry()) {
                                                setSavepoint(RETRY_SAVEPOINT_NAME);
                                        }
                                        var count = stmt.executeUpdate();
                                        // Update実行後イベント発行
                                        if (getSqlConfig().getEventListenerHolder().hasSqlUpdateListener()) {
                                                var eventObj = new SqlUpdateEvent(executionContext, count, stmt);
                                                for (var listener : getSqlConfig().getEventListenerHolder().getSqlUpdateListeners()) {
                                                        listener.accept(eventObj);
                                                }
                                                count = eventObj.getCount();
                                        }
                                        if ((SqlKind.INSERT.equals(executionContext.getSqlKind()) ||
                                                        SqlKind.BULK_INSERT.equals(executionContext.getSqlKind()))
                                                        && executionContext.hasGeneratedKeyColumns()) {
                                                try (var rs = stmt.getGeneratedKeys()) {
                                                        var generatedKeyValues = new ArrayList<>();
                                                        while (rs.next()) {
                                                                for (var i = 1; i <= executionContext.getGeneratedKeyColumns().length; i++) {
                                                                        generatedKeyValues.add(rs.getObject(i));
                                                                }
                                                        }
                                                        executionContext.setGeneratedKeyValues(
                                                                        generatedKeyValues.toArray(new Object[generatedKeyValues.size()]));
                                                }
                                        }
                                        return count;
                                } catch (SQLException ex) {
                                        if (maxRetryCount > 0 && getDialect().isRollbackToSavepointBeforeRetry()) {
                                                rollback(RETRY_SAVEPOINT_NAME);
                                        }
                                        if (maxRetryCount > loopCount) {
                                                var errorCode = String.valueOf(ex.getErrorCode());
                                                var sqlState = ex.getSQLState();
                                                if (getSqlRetryCodes().contains(errorCode) || getSqlRetryCodes().contains(sqlState)) {
                                                        if (LOG.isDebugEnabled()) {
                                                                LOG.debug(String.format(
                                                                                "Caught the error code to be retried.(%d times). Retry after %,3d ms.",
                                                                                loopCount + 1, retryWaitTime));
                                                        }
                                                        if (retryWaitTime > 0) {
                                                                try {
                                                                        Thread.sleep(retryWaitTime);
                                                                } catch (InterruptedException ie) {
                                                                        // do nothing
                                                                }
                                                        }
                                                } else {
                                                        throw ex;
                                                }
                                        } else {
                                                throw ex;
                                        }
                                } finally {
                                        if (maxRetryCount > 0 && getDialect().isRollbackToSavepointBeforeRetry()) {
                                                releaseSavepoint(RETRY_SAVEPOINT_NAME);
                                        }
                                        executionContext.contextAttrs().put(CTX_ATTR_KEY_RETRY_COUNT, loopCount);
                                }
                        } while (maxRetryCount > loopCount++);
                        return 0;
                } catch (SQLException ex) {
                        handleException(executionContext, ex);
                        return 0;
                } finally {
                        if (PERFORMANCE_LOG.isInfoEnabled() && startTime != null) {
                                PERFORMANCE_LOG.info("SQL execution time [{}({})] : [{}]",
                                                generateSqlName(executionContext),
                                                executionContext.getSqlKind(),
                                                formatElapsedTime(startTime, Instant.now(getSqlConfig().getClock())));
                        }
                        MDC.remove(SUPPRESS_PARAMETER_LOG_OUTPUT);
                }
        }

        /**
         * @see jp.co.future.uroborosql.SqlAgent#batch(jp.co.future.uroborosql.context.ExecutionContext)
         */
        @Override
        public int[] batch(final ExecutionContext executionContext) throws SQLException {
                // バッチ処理の場合大量のログが出力されるため、パラメータログの出力を抑止する
                MDC.put(SUPPRESS_PARAMETER_LOG_OUTPUT, Boolean.TRUE.toString());

                if (SqlKind.NONE.equals(executionContext.getSqlKind())) {
                        executionContext.setSqlKind(SqlKind.BATCH_INSERT);
                }

                // コンテキスト変換
                transformContext(executionContext);

                // 更新移譲処理の指定がある場合は移譲処理を実行し結果を返却
                if (executionContext.getUpdateDelegate() != null) {
                        MDC.remove(SUPPRESS_PARAMETER_LOG_OUTPUT);
                        LOG.debug("Performs update delegate of batch process");
                        return new int[] { executionContext.getUpdateDelegate().apply(executionContext) };
                }

                Instant startTime = null;

                try (var stmt = getPreparedStatement(executionContext)) {

                        // INパラメータ設定
                        executionContext.bindBatchParams(stmt);

                        if (LOG.isDebugEnabled()) {
                                LOG.debug("Execute batch process.");
                        }
                        if (PERFORMANCE_LOG.isInfoEnabled()) {
                                startTime = Instant.now(getSqlConfig().getClock());
                        }

                        // デフォルト最大リトライ回数を取得し、個別指定（ExecutionContextの値）があれば上書き
                        var maxRetryCount = getMaxRetryCount();
                        if (executionContext.getMaxRetryCount() >= 0) {
                                maxRetryCount = executionContext.getMaxRetryCount();
                        }

                        // デフォルトリトライ待機時間を取得し、個別指定（ExecutionContextの値）があれば上書き
                        var retryWaitTime = getRetryWaitTime();
                        if (executionContext.getRetryWaitTime() > 0) {
                                retryWaitTime = executionContext.getRetryWaitTime();
                        }
                        var loopCount = 0;
                        do {
                                try {
                                        if (maxRetryCount > 0 && getDialect().isRollbackToSavepointBeforeRetry()) {
                                                setSavepoint(RETRY_SAVEPOINT_NAME);
                                        }
                                        var counts = stmt.executeBatch();
                                        // Batch実行後イベント発行
                                        if (getSqlConfig().getEventListenerHolder().hasSqlBatchListener()) {
                                                var eventObj = new SqlBatchEvent(executionContext, counts, stmt);
                                                for (var listener : getSqlConfig().getEventListenerHolder().getSqlBatchListeners()) {
                                                        listener.accept(eventObj);
                                                }
                                                counts = eventObj.getCounts();
                                        }
                                        if (SqlKind.BATCH_INSERT.equals(executionContext.getSqlKind())
                                                        && executionContext.hasGeneratedKeyColumns()) {
                                                try (var rs = stmt.getGeneratedKeys()) {
                                                        var generatedKeyValues = new ArrayList<>();
                                                        while (rs.next()) {
                                                                for (var i = 1; i <= executionContext.getGeneratedKeyColumns().length; i++) {
                                                                        generatedKeyValues.add(rs.getObject(i));
                                                                }
                                                        }
                                                        executionContext.setGeneratedKeyValues(
                                                                        generatedKeyValues.toArray(new Object[generatedKeyValues.size()]));
                                                }
                                        }
                                        return counts;
                                } catch (SQLException ex) {
                                        if (maxRetryCount > 0 && getDialect().isRollbackToSavepointBeforeRetry()) {
                                                rollback(RETRY_SAVEPOINT_NAME);
                                        }
                                        if (maxRetryCount > loopCount) {
                                                var errorCode = String.valueOf(ex.getErrorCode());
                                                var sqlState = ex.getSQLState();
                                                if (getSqlRetryCodes().contains(errorCode) || getSqlRetryCodes().contains(sqlState)) {
                                                        if (LOG.isDebugEnabled()) {
                                                                LOG.debug(String.format(
                                                                                "Caught the error code to be retried.(%d times). Retry after %,3d ms.",
                                                                                loopCount + 1, retryWaitTime));
                                                        }
                                                        if (retryWaitTime > 0) {
                                                                try {
                                                                        Thread.sleep(retryWaitTime);
                                                                } catch (InterruptedException ie) {
                                                                        // do nothing
                                                                }
                                                        }
                                                } else {
                                                        throw ex;
                                                }
                                        } else {
                                                throw ex;
                                        }
                                } finally {
                                        if (maxRetryCount > 0 && getDialect().isRollbackToSavepointBeforeRetry()) {
                                                releaseSavepoint(RETRY_SAVEPOINT_NAME);
                                        }
                                        executionContext.clearBatch();
                                        executionContext.contextAttrs().put(CTX_ATTR_KEY_RETRY_COUNT, loopCount);
                                }
                        } while (maxRetryCount > loopCount++);
                        return null;
                } catch (SQLException ex) {
                        handleException(executionContext, ex);
                        return null;
                } finally {
                        // 後処理
                        if (PERFORMANCE_LOG.isInfoEnabled() && startTime != null) {
                                PERFORMANCE_LOG.info("SQL execution time [{}({})] : [{}]",
                                                generateSqlName(executionContext),
                                                executionContext.getSqlKind(),
                                                formatElapsedTime(startTime, Instant.now(getSqlConfig().getClock())));
                        }
                        MDC.remove(SUPPRESS_PARAMETER_LOG_OUTPUT);
                }
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#procedure(jp.co.future.uroborosql.context.ExecutionContext)
         */
        @Override
        public Map<String, Object> procedure(final ExecutionContext executionContext) throws SQLException {
                // パラメータログを出力する
                MDC.put(SUPPRESS_PARAMETER_LOG_OUTPUT, Boolean.FALSE.toString());

                // procedureやfunctionの場合、SQL文法エラーになるためバインドパラメータコメントを出力しない
                executionContext.contextAttrs().put(CTX_ATTR_KEY_OUTPUT_BIND_COMMENT, false);

                if (SqlKind.NONE.equals(executionContext.getSqlKind())) {
                        executionContext.setSqlKind(SqlKind.PROCEDURE);
                }

                // コンテキスト変換
                transformContext(executionContext);

                Instant startTime = null;

                try (var callableStatement = getCallableStatement(executionContext)) {

                        // パラメータ設定
                        executionContext.bindParams(callableStatement);

                        if (LOG.isDebugEnabled()) {
                                LOG.debug("Execute stored procedure.");
                        }
                        if (PERFORMANCE_LOG.isInfoEnabled()) {
                                startTime = Instant.now(getSqlConfig().getClock());
                        }

                        // デフォルト最大リトライ回数を取得し、個別指定（ExecutionContextの値）があれば上書き
                        var maxRetryCount = getMaxRetryCount();
                        if (executionContext.getMaxRetryCount() >= 0) {
                                maxRetryCount = executionContext.getMaxRetryCount();
                        }

                        // デフォルトリトライ待機時間を取得し、個別指定（ExecutionContextの値）があれば上書き
                        var retryWaitTime = getRetryWaitTime();
                        if (executionContext.getRetryWaitTime() > 0) {
                                retryWaitTime = executionContext.getRetryWaitTime();
                        }
                        var loopCount = 0;
                        do {
                                try {
                                        if (maxRetryCount > 0 && getDialect().isRollbackToSavepointBeforeRetry()) {
                                                setSavepoint(RETRY_SAVEPOINT_NAME);
                                        }
                                        var result = callableStatement.execute();
                                        // Procedure実行後イベント発行
                                        if (getSqlConfig().getEventListenerHolder().hasProcedureListener()) {
                                                var eventObj = new ProcedureEvent(executionContext, result, callableStatement);
                                                for (var listener : getSqlConfig().getEventListenerHolder().getProcedureListeners()) {
                                                        listener.accept(eventObj);
                                                }
                                                result = eventObj.isResult();
                                        }
                                        break;
                                } catch (SQLException ex) {
                                        if (maxRetryCount > 0 && getDialect().isRollbackToSavepointBeforeRetry()) {
                                                rollback(RETRY_SAVEPOINT_NAME);
                                        }
                                        if (maxRetryCount > loopCount) {
                                                var errorCode = String.valueOf(ex.getErrorCode());
                                                var sqlState = ex.getSQLState();
                                                if (getSqlRetryCodes().contains(errorCode) || getSqlRetryCodes().contains(sqlState)) {
                                                        if (LOG.isDebugEnabled()) {
                                                                LOG.debug(String.format(
                                                                                "Caught the error code to be retried.(%d times). Retry after %,3d ms.",
                                                                                loopCount + 1, retryWaitTime));
                                                        }
                                                        if (retryWaitTime > 0) {
                                                                try {
                                                                        Thread.sleep(retryWaitTime);
                                                                } catch (InterruptedException ie) {
                                                                        // do nothing
                                                                }
                                                        }
                                                } else {
                                                        throw ex;
                                                }
                                        } else {
                                                throw ex;
                                        }
                                } finally {
                                        if (maxRetryCount > 0 && getDialect().isRollbackToSavepointBeforeRetry()) {
                                                releaseSavepoint(RETRY_SAVEPOINT_NAME);
                                        }
                                        executionContext.contextAttrs().put(CTX_ATTR_KEY_RETRY_COUNT, loopCount);
                                }
                        } while (maxRetryCount > loopCount++);
                        // 結果取得
                        return executionContext.getOutParams(callableStatement);
                } catch (SQLException ex) {
                        handleException(executionContext, ex);
                } finally {
                        if (PERFORMANCE_LOG.isInfoEnabled() && startTime != null) {
                                PERFORMANCE_LOG.info("Stored procedure execution time [{}({})] : [{}]",
                                                generateSqlName(executionContext),
                                                executionContext.getSqlKind(),
                                                formatElapsedTime(startTime, Instant.now(getSqlConfig().getClock())));
                        }
                        MDC.remove(SUPPRESS_PARAMETER_LOG_OUTPUT);
                }
                return null;
        }

        /**
         * ExecutionContextの設定内容を元にSQLを構築する
         *
         * @param executionContext ExecutionContext
         */
        private void transformContext(final ExecutionContext executionContext) {
                var originalSql = executionContext.getSql();
                var sqlName = executionContext.getSqlName();
                if (StringUtils.isEmpty(originalSql) && getSqlResourceManager() != null) {
                        originalSql = getSqlResourceManager().getSql(sqlName);
                        if (StringUtils.isEmpty(originalSql)) {
                                throw new UroborosqlRuntimeException("sql file:[" + sqlName + "] is not found.");
                        }
                }

                // SQL-IDの付与
                if (originalSql.contains(keySqlId)) {
                        var sqlId = executionContext.getSqlId();
                        if (StringUtils.isEmpty(sqlId)) {
                                sqlId = sqlName;
                        }
                        if (StringUtils.isEmpty(sqlId)) {
                                sqlId = String.valueOf(originalSql.hashCode());
                        }

                        originalSql = originalSql.replace(keySqlId, sqlId);
                }

                // SQL変換前イベント発行
                if (getSqlConfig().getEventListenerHolder().hasTransformSqlListener()) {
                        var eventObj = new TransformSqlEvent(executionContext, originalSql);
                        getSqlConfig().getEventListenerHolder().getTransformSqlListeners()
                                        .forEach(listener -> listener.accept(eventObj));
                        originalSql = eventObj.getSql();
                }
                executionContext.setSql(originalSql);

                // Dialectに合わせたエスケープキャラクタの設定
                executionContext.param(Dialect.PARAM_KEY_ESCAPE_CHAR, getDialect().getEscapeChar());

                // SQLパース前イベントの呼出
                if (executionContext.batchCount() == 0
                                && getSqlConfig().getEventListenerHolder().hasBeforeParseSqlListener()) {
                        var eventObj = new BeforeParseSqlEvent(executionContext);
                        getSqlConfig().getEventListenerHolder().getBeforeParseSqlListeners()
                                        .forEach(listener -> listener.accept(eventObj));
                }

                if (StringUtils.isEmpty(executionContext.getExecutableSql())) {
                        // SQLパーサーによるパース処理
                        var outputBindComment = (boolean) executionContext.contextAttrs().getOrDefault(
                                        CTX_ATTR_KEY_OUTPUT_BIND_COMMENT, true);
                        var sqlParser = new SqlParserImpl(originalSql, sqlConfig.getExpressionParser(),
                                        getDialect().isRemoveTerminator(), outputBindComment);
                        var contextTransformer = sqlParser.parse();
                        contextTransformer.transform(executionContext);

                        if (coverageHandlerRef.get() != null) {
                                // SQLカバレッジ用のログを出力する
                                var coverageData = new CoverageData(sqlName, originalSql,
                                                contextTransformer.getPassedRoute());
                                COVERAGE_LOG.info("{}", coverageData);

                                coverageHandlerRef.get().accept(coverageData);
                        }
                }

                if (SQL_LOG.isInfoEnabled() && sqlName != null) {
                        if (getSqlResourceManager().existSql(sqlName)) {
                                SQL_LOG.info("SQLPath : {}", getSqlResourceManager().getSqlPath(sqlName));
                        } else {
                                SQL_LOG.info("EntityClass : {}", sqlName);
                        }
                }
                if (SQL_LOG.isDebugEnabled()) {
                        SQL_LOG.debug("Template SQL[{}{}{}]", System.lineSeparator(), originalSql, System.lineSeparator());
                }
                if (SQL_LOG.isInfoEnabled()) {
                        SQL_LOG.info("Executed SQL[{}{}{}]", System.lineSeparator(), executionContext.getExecutableSql(),
                                        System.lineSeparator());
                }
        }

        /** 時間計測用のログに出力するSQL名を生成する.
         *
         * @param executionContext ExecutionContext
         * @return SQL名. SQL名が取得できない場合はSQL_ID、または空文字を返却する
         */
        private String generateSqlName(final ExecutionContext executionContext) {
                if (executionContext.getSqlName() != null) {
                        return executionContext.getSqlName();
                } else {
                        return Objects.toString(executionContext.getSqlId(), "");
                }
        }

        /**
         * 例外発生時ハンドラー
         *
         * @param executionContext ExecutionContext
         * @param ex SQL例外
         * @throws SQLException SQL例外
         */
        private void handleException(final ExecutionContext executionContext, final SQLException ex) throws SQLException {
                var cause = ex;

                while (cause.getNextException() != null) {
                        cause = cause.getNextException();
                }

                if (LOG.isErrorEnabled() && outputExceptionLog) {
                        var builder = new StringBuilder();
                        builder.append(System.lineSeparator()).append("Exception occurred in SQL execution.")
                                        .append(System.lineSeparator());
                        builder.append("Executed SQL[").append(executionContext.getExecutableSql()).append("]")
                                        .append(System.lineSeparator());
                        if (executionContext instanceof ExecutionContextImpl) {
                                var bindParameters = ((ExecutionContextImpl) executionContext).getBindParameters();
                                for (var i = 0; i < bindParameters.length; i++) {
                                        var parameter = bindParameters[i];
                                        builder.append("Bind Parameter.[INDEX[").append(i + 1).append("], ").append(parameter.toString())
                                                        .append("]").append(System.lineSeparator());
                                }
                        }
                        LOG.error(builder.toString(), cause);
                }

                throw cause;
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#find(java.lang.Class, java.lang.Object[])
         */
        @SuppressWarnings("unchecked")
        @Override
        public <E> Optional<E> find(final Class<? extends E> entityType, final Object... keys) {
                @SuppressWarnings("rawtypes")
                EntityHandler handler = this.getEntityHandler();
                if (!handler.getEntityType().isAssignableFrom(entityType)) {
                        throw new IllegalArgumentException("Entity type not supported");
                }

                try {
                        var metadata = handler.getMetadata(this.transactionManager, entityType);
                        var keyNames = metadata.getColumns().stream()
                                        .filter(TableMetadata.Column::isKey)
                                        .sorted(Comparator.comparingInt(TableMetadata.Column::getKeySeq))
                                        .map(TableMetadata.Column::getColumnName)
                                        .map(CaseFormat.CAMEL_CASE::convert)
                                        .toArray(String[]::new);

                        if (keyNames.length != keys.length) {
                                throw new IllegalArgumentException("Number of keys does not match");
                        }
                        var params = new HashMap<String, Object>();
                        for (var i = 0; i < keys.length; i++) {
                                params.put(keyNames[i], keys[i]);
                        }

                        var context = handler.createSelectContext(this, metadata, entityType, true);
                        context.paramMap(params);

                        try (var stream = handler.doSelect(this, context, entityType)) {
                                return stream.findFirst();
                        }
                } catch (SQLException e) {
                        throw new EntitySqlRuntimeException(SqlKind.SELECT, e);
                }
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#insert(java.lang.Object)
         */
        @SuppressWarnings("unchecked")
        @Override
        public <E> int insert(final E entity) {
                if (entity instanceof Stream) {
                        throw new IllegalArgumentException("Stream type not supported.");
                }

                @SuppressWarnings("rawtypes")
                EntityHandler handler = this.getEntityHandler();
                if (!handler.getEntityType().isInstance(entity)) {
                        throw new IllegalArgumentException("Entity type not supported");
                }

                try {
                        var entityType = entity.getClass();
                        var metadata = handler.getMetadata(this.transactionManager, entityType);
                        var context = handler.createInsertContext(this, metadata, entityType);
                        context.setSqlKind(SqlKind.INSERT);

                        // 自動採番カラムの取得とcontextへの設定を行う
                        var mappingColumns = MappingUtils.getMappingColumns(metadata.getSchema(), entityType);
                        var autoGeneratedColumns = getAutoGeneratedColumns(context, mappingColumns, metadata, entity);

                        handler.setInsertParams(context, entity);
                        var count = handler.doInsert(this, context, entity);

                        if (!autoGeneratedColumns.isEmpty()) {
                                var ids = context.getGeneratedKeyValues();
                                var idx = 0;
                                for (var col : autoGeneratedColumns) {
                                        setEntityIdValue(entity, ids[idx++], col);
                                }
                        }

                        return count;
                } catch (SQLException e) {
                        throw new EntitySqlRuntimeException(SqlKind.INSERT, e);
                }
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#insertAndReturn(java.lang.Object)
         */
        @Override
        public <E> E insertAndReturn(final E entity) {
                insert(entity);
                return entity;
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#update(java.lang.Object)
         */
        @SuppressWarnings("unchecked")
        @Override
        public <E> int update(final E entity) {
                if (entity instanceof Stream) {
                        throw new IllegalArgumentException("Stream type not supported.");
                }

                @SuppressWarnings("rawtypes")
                EntityHandler handler = this.getEntityHandler();
                if (!handler.getEntityType().isInstance(entity)) {
                        throw new IllegalArgumentException("Entity type not supported");
                }

                try {
                        var type = entity.getClass();
                        var metadata = handler.getMetadata(this.transactionManager, type);
                        var context = handler.createUpdateContext(this, metadata, type, true);
                        context.setSqlKind(SqlKind.UPDATE);
                        handler.setUpdateParams(context, entity);
                        var count = handler.doUpdate(this, context, entity);

                        MappingUtils.getVersionMappingColumn(metadata.getSchema(), type).ifPresent(versionColumn -> {
                                if (count == 0) {
                                        throw new OptimisticLockException(context);
                                } else {
                                        var columnMap = MappingUtils.getMappingColumnMap(metadata.getSchema(), type, SqlKind.NONE);
                                        var keys = metadata.getColumns().stream()
                                                        .filter(TableMetadata.Column::isKey)
                                                        .sorted(Comparator.comparingInt(TableMetadata.Column::getKeySeq))
                                                        .map(c -> columnMap.get(c.getCamelColumnName()).getValue(entity))
                                                        .toArray();

                                        find(type, keys).ifPresent(e -> versionColumn.setValue(entity, versionColumn.getValue(e)));
                                }
                        });
                        return count;
                } catch (SQLException e) {
                        throw new EntitySqlRuntimeException(SqlKind.UPDATE, e);
                }
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#updateAndReturn(java.lang.Object)
         */
        @Override
        public <E> E updateAndReturn(final E entity) {
                update(entity);
                return entity;
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#delete(java.lang.Class)
         */
        @Override
        public <E> SqlEntityUpdate<E> update(final Class<? extends E> entityType) {
                var handler = this.getEntityHandler();
                if (!handler.getEntityType().isAssignableFrom(entityType)) {
                        throw new IllegalArgumentException("Entity type not supported");
                }

                try {
                        var metadata = handler.getMetadata(this.transactionManager, entityType);

                        var context = handler.createUpdateContext(this, metadata, entityType, false);
                        context.setSqlKind(SqlKind.UPDATE);

                        return new SqlEntityUpdateImpl<>(this, handler, metadata, context);
                } catch (SQLException e) {
                        throw new EntitySqlRuntimeException(SqlKind.DELETE, e);
                }
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#merge(java.lang.Object)
         */
        @Override
        public <E> int merge(final E entity) {
                mergeAndReturn(entity);
                return 1;
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#mergeAndReturn(java.lang.Object)
         */
        @Override
        public <E> E mergeAndReturn(final E entity) {
                return doMergeAndReturn(entity, false);
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#mergeWithLocking(java.lang.Object)
         */
        @Override
        public <E> int mergeWithLocking(final E entity) {
                mergeWithLockingAndReturn(entity);
                return 1;
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#mergeWithLockingAndReturn(java.lang.Object)
         */
        @Override
        public <E> E mergeWithLockingAndReturn(final E entity) {
                return doMergeAndReturn(entity, true);
        }

        /**
         * エンティティのMERGE（INSERTまたはUPDATE）を実行し、MERGEしたエンティティを返却する.<br>
         * locking引数が<code>true</code>の場合、マージの最初に発行するEntityの検索で悲観ロック（forUpdateNoWait）を行う
         *
         * @param <E> エンティティ型
         * @param entity エンティティ
         * @param locking エンティティの悲観ロックを行うかどうか
         * @return MERGEしたエンティティ
         *
         */
        @SuppressWarnings("unchecked")
        private <E> E doMergeAndReturn(final E entity, final boolean locking) {
                if (entity instanceof Stream) {
                        throw new IllegalArgumentException("Stream type not supported.");
                }

                var handler = this.getEntityHandler();
                if (!handler.getEntityType().isInstance(entity)) {
                        throw new IllegalArgumentException("Entity type not supported.");
                }

                var type = entity.getClass();
                try {
                        var metadata = handler.getMetadata(this.transactionManager, type);
                        var keyColumns = metadata.getKeyColumns();

                        if (keyColumns.isEmpty()) {
                                throw new IllegalArgumentException("Entity has no keys.");
                        }

                        var mappingColumns = MappingUtils.getMappingColumnMap(metadata.getSchema(), type, SqlKind.UPDATE);
                        var query = (SqlEntityQuery<E>) query(type);
                        for (var column : keyColumns) {
                                var camelName = column.getCamelColumnName();
                                query.equal(camelName, mappingColumns.get(camelName).getValue(entity));
                        }
                        if (locking) {
                                query.forUpdateNoWait();
                        }
                        return query.first()
                                        .map(findEntity -> {
                                                for (var mappingColumn : mappingColumns.values()) {
                                                        if (!mappingColumn.isId()) {
                                                                var value = mappingColumn.getValue(entity);
                                                                if (value != null) {
                                                                        mappingColumn.setValue(findEntity, value);
                                                                }
                                                        }
                                                }
                                                return updateAndReturn(findEntity);
                                        }).orElseGet(() -> insertAndReturn(entity));
                } catch (SQLException e) {
                        throw new EntitySqlRuntimeException(SqlKind.MERGE, e);
                }
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#delete(java.lang.Object)
         */
        @Override
        public <E> int delete(final E entity) {
                if (entity instanceof Stream) {
                        throw new IllegalArgumentException("Stream type not supported.");
                }

                var handler = this.getEntityHandler();
                if (!handler.getEntityType().isInstance(entity)) {
                        throw new IllegalArgumentException("Entity type not supported");
                }

                try {
                        var type = entity.getClass();
                        var metadata = handler.getMetadata(this.transactionManager, type);
                        var context = handler.createDeleteContext(this, metadata, type, true);
                        context.setSqlKind(SqlKind.DELETE);
                        handler.setDeleteParams(context, entity);
                        return handler.doDelete(this, context, entity);
                } catch (SQLException e) {
                        throw new EntitySqlRuntimeException(SqlKind.DELETE, e);
                }
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#deleteAndReturn(java.lang.Object)
         */
        @Override
        public <E> E deleteAndReturn(final E entity) {
                delete(entity);
                return entity;
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#delete(java.lang.Class, java.lang.Object[])
         */
        @Override
        public <E> int delete(final Class<? extends E> entityType, final Object... keys) {
                var handler = this.getEntityHandler();
                if (!handler.getEntityType().isAssignableFrom(entityType)) {
                        throw new IllegalArgumentException("Entity type not supported");
                }

                try {
                        var metadata = handler.getMetadata(this.transactionManager, entityType);
                        TableMetadata.Column keyColumn = null;
                        var keyColumns = metadata.getKeyColumns();
                        if (keyColumns.size() == 1) {
                                keyColumn = keyColumns.get(0);
                        } else if (keyColumns.isEmpty()) {
                                keyColumn = metadata.getColumns().get(0);
                        } else {
                                throw new IllegalArgumentException("Entity has multiple keys");
                        }
                        return delete(entityType).in(keyColumn.getCamelColumnName(), keys).count();
                } catch (SQLException e) {
                        throw new EntitySqlRuntimeException(SqlKind.DELETE, e);
                }
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#delete(java.lang.Class)
         */
        @Override
        public <E> SqlEntityDelete<E> delete(final Class<? extends E> entityType) {
                var handler = this.getEntityHandler();
                if (!handler.getEntityType().isAssignableFrom(entityType)) {
                        throw new IllegalArgumentException("Entity type not supported");
                }

                try {
                        var metadata = handler.getMetadata(this.transactionManager, entityType);
                        var context = handler.createDeleteContext(this, metadata, entityType, false);
                        context.setSqlKind(SqlKind.DELETE);
                        return new SqlEntityDeleteImpl<>(this, handler, metadata, context);
                } catch (SQLException e) {
                        throw new EntitySqlRuntimeException(SqlKind.DELETE, e);
                }
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#truncate(java.lang.Class)
         */
        @Override
        public <E> SqlAgent truncate(final Class<? extends E> entityType) {
                var handler = this.getEntityHandler();
                if (!handler.getEntityType().isAssignableFrom(entityType)) {
                        throw new IllegalArgumentException("Entity type not supported");
                }
                try {
                        var metadata = handler.getMetadata(this.transactionManager, entityType);
                        var context = this.context().setSql("truncate table " + metadata.getTableIdentifier());
                        context.setSqlKind(SqlKind.TRUNCATE);
                        update(context);
                        return this;
                } catch (SQLException e) {
                        throw new EntitySqlRuntimeException(SqlKind.TRUNCATE, e);
                }
        }

        /**
         * 自動採番カラムを取得する. 合わせて、{@link ExecutionContext#setGeneratedKeyColumns(String[])} に自動採番カラムを設定する.
         * <pre>
         * 自動採番カラムの条件
         * 1. {@link MappingColumn#isId()} == true 、もしくは{@link TableMetadata.Column#isAutoincrement()} == true であること
         * 2. 1.に加え、エンティティの対象フィールド型がprimitive型、もしくはフィールドの値が<code>null</code>であること
         * </pre>
         *
         * @param <E> entity
         * @param context ExecutionContext
         * @param mappingColumns EntityのMappingColumn配列
         * @param metadata TableMetadata
         * @param entity Entity
         * @return 自動採番カラム配列
         */
        private <E> List<MappingColumn> getAutoGeneratedColumns(final ExecutionContext context,
                        final MappingColumn[] mappingColumns,
                        final TableMetadata metadata,
                        final E entity) {
                var autoGeneratedColumns = new ArrayList<MappingColumn>();
                var autoGeneratedColumnNames = new ArrayList<String>();

                if (mappingColumns != null && mappingColumns.length > 0) {
                        for (var column : metadata.getColumns()) {
                                if (column.isAutoincrement()) {
                                        for (var mappingColumn : mappingColumns) {
                                                if (mappingColumn.getCamelName().equals(column.getCamelColumnName())) {
                                                        // primitive型か、エンティティの対象フィールドがnullとなっている場合自動生成カラムとする
                                                        if (mappingColumn.getJavaType().getRawType().isPrimitive()
                                                                        || mappingColumn.getValue(entity) == null) {
                                                                autoGeneratedColumns.add(mappingColumn);
                                                                autoGeneratedColumnNames.add(column.getColumnName());
                                                        }
                                                        break;
                                                }
                                        }
                                }
                        }
                        for (var mappingColumn : mappingColumns) {
                                if (!mappingColumn.isId() || autoGeneratedColumns.contains(mappingColumn)) {
                                        continue;
                                }
                                for (var column : metadata.getColumns()) {
                                        if (mappingColumn.getCamelName().equals(column.getCamelColumnName())) {
                                                // primitive型か、エンティティの対象フィールドがnullとなっている場合自動生成カラムとする
                                                if (mappingColumn.getJavaType().getRawType().isPrimitive()
                                                                || mappingColumn.getValue(entity) == null) {
                                                        autoGeneratedColumns.add(mappingColumn);
                                                        autoGeneratedColumnNames.add(column.getColumnName());
                                                }
                                                break;
                                        }
                                }
                        }
                }

                if (!autoGeneratedColumnNames.isEmpty()) {
                        context.setGeneratedKeyColumns(
                                        autoGeneratedColumnNames.toArray(new String[autoGeneratedColumnNames.size()]));
                }
                return autoGeneratedColumns;
        }

        /**
         * entityにID値を設定する
         * @param entity Entity
         * @param id ID値
         * @param column 設定する対象のカラム
         */
        private void setEntityIdValue(final Object entity, final Object id, final MappingColumn column) {
                var rawType = column.getJavaType().getRawType();
                try {
                        if (int.class.equals(rawType) || Integer.class.equals(rawType)) {
                                if (id instanceof Number) {
                                        column.setValue(entity, ((Number) id).intValue());
                                } else {
                                        throw new IllegalArgumentException();
                                }
                        } else if (long.class.equals(rawType) || Long.class.equals(rawType)) {
                                if (id instanceof Number) {
                                        column.setValue(entity, ((Number) id).longValue());
                                } else {
                                        throw new IllegalArgumentException();
                                }
                        } else if (BigInteger.class.equals(rawType)) {
                                if (id instanceof BigInteger) {
                                        column.setValue(entity, id);
                                } else if (id instanceof BigDecimal) {
                                        column.setValue(entity, ((BigDecimal) id).toBigInteger());
                                } else if (id instanceof Number) {
                                        column.setValue(entity, new BigInteger(((Number) id).toString()));
                                } else {
                                        throw new IllegalArgumentException();
                                }
                        } else if (BigDecimal.class.equals(rawType)) {
                                if (id instanceof BigDecimal) {
                                        column.setValue(entity, id);
                                } else if (id instanceof BigInteger) {
                                        column.setValue(entity, new BigDecimal((BigInteger) id));
                                } else if (id instanceof Number) {
                                        column.setValue(entity, new BigDecimal(((Number) id).toString()));
                                } else {
                                        throw new IllegalArgumentException();
                                }
                        } else if (String.class.equals(rawType)) {
                                if (id instanceof String) {
                                        column.setValue(entity, id);
                                } else if (id instanceof BigDecimal) {
                                        column.setValue(entity, ((BigDecimal) id).toPlainString());
                                } else if (id instanceof Number) {
                                        column.setValue(entity, ((Number) id).toString());
                                } else {
                                        column.setValue(entity, id.toString());
                                }
                        } else {
                                try {
                                        column.setValue(entity, id);
                                } catch (UroborosqlRuntimeException ex) {
                                        throw new UroborosqlRuntimeException(
                                                        "Column is not correct as ID type. column=" + column.getCamelName() + ", type=" + rawType);
                                }
                        }
                } catch (IllegalArgumentException ex) {
                        throw new UroborosqlRuntimeException(
                                        "Column type and ID type do not match. column=" + column.getCamelName() + ", type="
                                                        + rawType
                                                        + ", id=" + id + ", type=" + id.getClass().getSimpleName());
                }
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#getSqlConfig()
         */
        @Override
        public SqlConfig getSqlConfig() {
                return this.sqlConfig;
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#context()
         */
        @Override
        public ExecutionContext context() {
                return sqlConfig.context();
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#contextFrom(java.lang.String)
         */
        @Deprecated
        @Override
        public ExecutionContext contextFrom(final String sqlName) {
                return sqlConfig.context().setSqlName(sqlName);
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#contextWith(java.lang.String)
         */
        @Deprecated
        @Override
        public ExecutionContext contextWith(final String sql) {
                return sqlConfig.context().setSql(sql);
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#getFetchSize()
         */
        @Override
        public int getFetchSize() {
                return fetchSize;
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#setFetchSize(int)
         */
        @Override
        public void setFetchSize(final int fetchSize) {
                this.fetchSize = fetchSize;
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#getQueryTimeout()
         */
        @Override
        public int getQueryTimeout() {
                return queryTimeout;
        }

        /**
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#setQueryTimeout(int)
         */
        @Override
        public void setQueryTimeout(final int queryTimeout) {
                this.queryTimeout = queryTimeout;
        }

        /**
         * SQL実行をリトライするSQLエラーコードのリスト を取得します
         *
         * @return SQL実行をリトライするSQLエラーコードのリスト
         */
        public List<String> getSqlRetryCodes() {
                return sqlRetryCodes;
        }

        /**
         * SQL実行をリトライするSQLエラーコードのリスト を設定します
         *
         * @param sqlRetryCodes SQL実行をリトライするSQLエラーコードのリスト
         */
        public void setSqlRetryCodes(final List<String> sqlRetryCodes) {
                this.sqlRetryCodes = sqlRetryCodes;
        }

        /**
         * 最大リトライ回数 を取得します
         *
         * @return 最大リトライ回数
         */
        public int getMaxRetryCount() {
                return maxRetryCount;
        }

        /**
         * 最大リトライ回数 を設定します
         *
         * @param maxRetryCount 最大リトライ回数
         */
        public void setMaxRetryCount(final int maxRetryCount) {
                this.maxRetryCount = maxRetryCount;
        }

        /**
         * リトライタイムアウト時間(ms) を取得します
         *
         * @return リトライタイムアウト時間(ms)
         */
        public int getRetryWaitTime() {
                return retryWaitTime;
        }

        /**
         * リトライタイムアウト時間(ms) を設定します
         *
         * @param retryWaitTime リトライタイムアウト時間(ms)
         */
        public void setRetryWaitTime(final int retryWaitTime) {
                this.retryWaitTime = retryWaitTime;
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#getMapKeyCaseFormat()
         */
        @Override
        public CaseFormat getMapKeyCaseFormat() {
                return mapKeyCaseFormat;
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#setMapKeyCaseFormat(jp.co.future.uroborosql.utils.CaseFormat)
         */
        @Override
        public void setMapKeyCaseFormat(final CaseFormat mapKeyCaseFormat) {
                this.mapKeyCaseFormat = mapKeyCaseFormat;
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#getInsertsType()
         */
        @Override
        public InsertsType getInsertsType() {
                return this.insertsType;
        }

        /**
         *
         * {@inheritDoc}
         *
         * @see jp.co.future.uroborosql.SqlAgent#setInsertsType(jp.co.future.uroborosql.enums.InsertsType)
         */
        @Override
        public void setInsertsType(final InsertsType defaultInsertsType) {
                this.insertsType = defaultInsertsType;
        }

        /**
         * SQLリソース管理クラスを取得します。
         *
         * @return SQLリソース管理クラス
         */
        private SqlResourceManager getSqlResourceManager() {
                return sqlConfig.getSqlResourceManager();
        }

        /**
         * ORM処理クラス を取得します。
         *
         * @return ORM処理クラス
         */
        @SuppressWarnings("unchecked")
        private <E> EntityHandler<E> getEntityHandler() {
                return (EntityHandler<E>) sqlConfig.getEntityHandler();
        }

        /**
         * Dialect を取得します。
         *
         * @return Dialect
         */
        private Dialect getDialect() {
                return sqlConfig.getDialect();
        }

        /**
         * ステートメント初期化。
         *
         * @param executionContext ExecutionContext
         * @return PreparedStatement
         * @throws SQLException SQL例外
         */
        private PreparedStatement getPreparedStatement(final ExecutionContext executionContext) throws SQLException {
                var stmt = ((LocalTransactionManager) transactionManager).getPreparedStatement(executionContext);
                // プロパティ設定
                applyProperties(stmt);
                return stmt;
        }

        /**
         * Callableステートメント初期化
         *
         * @param executionContext ExecutionContext
         * @return CallableStatement
         * @throws SQLException SQL例外
         */
        private CallableStatement getCallableStatement(final ExecutionContext executionContext) throws SQLException {
                var stmt = ((LocalTransactionManager) transactionManager).getCallableStatement(executionContext);
                // プロパティ設定
                applyProperties(stmt);
                return stmt;
        }

        /**
         * フェッチサイズとクエリタイムアウトをPreparedStatementに設定する
         *
         * @param preparedStatement PreparedStatement
         * @throws SQLException SQL例外
         */
        private void applyProperties(final PreparedStatement preparedStatement) throws SQLException {
                // フェッチサイズ指定
                if (getFetchSize() >= 0 && !(preparedStatement instanceof CallableStatement)) {
                        preparedStatement.setFetchSize(getFetchSize());
                }

                // クエリタイムアウト指定
                if (getQueryTimeout() >= 0) {
                        preparedStatement.setQueryTimeout(getQueryTimeout());
                }
        }

        /**
         * 経過時間を計算し、HH:mm:ss.SSSSSSにフォーマットする.
         *
         * @param start 開始時間
         * @param end 終了時間
         * @return フォーマットした経過時間
         */
        private static String formatElapsedTime(final Instant start, final Instant end) {
                return ELAPSED_TIME_FORMAT.format(LocalTime.MIDNIGHT.plus(Duration.between(start, end)));
        }

        /**
         * ResultSetをStreamで扱うためのSpliterator
         *
         * @author H.Sugimoto
         *
         * @param <T> ResultSetの1行を変換した型
         */
        private static final class ResultSetSpliterator<T> extends Spliterators.AbstractSpliterator<T> {
                private final ResultSetConverter<T> converter;
                private final ResultSet rs;
                private boolean finished = false;

                private ResultSetSpliterator(final ResultSet rs, final ResultSetConverter<T> converter) {
                        super(Long.MAX_VALUE, Spliterator.ORDERED);
                        this.rs = rs;
                        this.converter = converter;
                }

                @Override
                public boolean tryAdvance(final Consumer<? super T> action) {
                        try {
                                if (finished || !rs.next()) {
                                        if (!rs.isClosed()) {
                                                rs.close();
                                        }
                                        finished = true;
                                        return false;
                                }
                                action.accept(converter.createRecord(rs));
                                return true;
                        } catch (RuntimeException | Error ex) {
                                try {
                                        if (rs != null && !rs.isClosed()) {
                                                rs.close();
                                        }
                                } catch (SQLException e) {
                                        e.printStackTrace();
                                }
                                throw ex;
                        } catch (SQLException ex) {
                                try {
                                        if (rs != null && !rs.isClosed()) {
                                                rs.close();
                                        }
                                } catch (SQLException e) {
                                        e.printStackTrace();
                                }
                                throw new UroborosqlSQLException(ex);
                        }
                }
        }

        /**
         * ResultSetのラッパークラス。ResultSetのクローズに合わせてStatementもクローズする。
         *
         * @author H.Sugimoto
         * @version 0.5.0
         */
        private static class InnerResultSet extends AbstractResultSetWrapper {
                /** 同期してクローズするStatement */
                private final Statement stmt;

                /**
                 * コンストラクタ
                 *
                 * @param wrapped 元となるResultSet
                 * @param stmt Statement
                 */
                InnerResultSet(final ResultSet wrapped, final Statement stmt) {
                        super(wrapped);
                        this.stmt = stmt;
                }

                /**
                 * {@inheritDoc}
                 *
                 * @see jp.co.future.uroborosql.AbstractResultSetWrapper#close()
                 */
                @Override
                public void close() throws SQLException {
                        try {
                                super.close();
                        } finally {
                                try {
                                        if (stmt != null && !stmt.isClosed()) {
                                                stmt.close();
                                        }
                                } catch (SQLException e) {
                                        // do nothing
                                }
                        }
                }
        }
}

future-architect / uroborosql / #713

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