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mybatis / mybatis-dynamic-sql / #1521

15 Nov 2023 11:38AM CUT coverage: 100.0%. Remained the same
#1521

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Merge pull request #697 from mybatis/renovate/testcontainers-java-monorepo

Update testcontainers-java monorepo to v1.19.2

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/src/main/java/org/mybatis/dynamic/sql/AliasableSqlTable.java
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/*
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 *    Copyright 2016-2023 the original author or authors.
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 *
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 *    Licensed under the Apache License, Version 2.0 (the "License");
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 *    you may not use this file except in compliance with the License.
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 *    You may obtain a copy of the License at
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 *
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 *       https://www.apache.org/licenses/LICENSE-2.0
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 *
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 *    Unless required by applicable law or agreed to in writing, software
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 *    distributed under the License is distributed on an "AS IS" BASIS,
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 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 *    See the License for the specific language governing permissions and
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 *    limitations under the License.
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 */
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package org.mybatis.dynamic.sql;
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import java.util.Objects;
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import java.util.Optional;
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import java.util.function.Supplier;
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public abstract class AliasableSqlTable<T extends AliasableSqlTable<T>> extends SqlTable {
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    private String tableAlias;
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    private final Supplier<T> constructor;
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    protected AliasableSqlTable(String tableName, Supplier<T> constructor) {
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        super(tableName);
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        this.constructor = Objects.requireNonNull(constructor);
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    }
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    public T withAlias(String alias) {
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        T newTable = constructor.get();
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        ((AliasableSqlTable<T>) newTable).tableAlias = alias;
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        newTable.nameSupplier = nameSupplier;
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        return newTable;
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    }
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    /**
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     * Returns a new instance of this table with the specified name. All column instances are recreated.
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     * This is useful for sharding where the table name may change at runtime based on some sharding algorithm,
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     * but all other table attributes are the same.
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     *
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     * @param name new name for the table
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     * @return a new AliasableSqlTable with the specified name, all other table attributes are copied
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     */
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    public T withName(String name) {
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        Objects.requireNonNull(name);
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        T newTable = constructor.get();
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        ((AliasableSqlTable<T>) newTable).tableAlias = tableAlias;
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        newTable.nameSupplier = () -> name;
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        return newTable;
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    }
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    @Override
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    public Optional<String> tableAlias() {
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        return Optional.ofNullable(tableAlias);
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    }
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}
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