2604

Committed 03 Jan 2025 10:00AM UTC coverage: 87.524% (+0.3%) from 87.177%

Build # 2604

Build Type

Pull #3146

github

Committed by

web-flow

Commit Message

Merge 60c1f5fea into 8ac3920af

Pull Request Pull Request #3146: Shared ambiguity instance

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/src/main/java/org/apache/ibatis/executor/keygen/Jdbc3KeyGenerator.java

/*
 *    Copyright 2009-2025 the original author or authors.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *       https://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */
package org.apache.ibatis.executor.keygen;

import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import org.apache.ibatis.binding.MapperMethod.ParamMap;
import org.apache.ibatis.executor.Executor;
import org.apache.ibatis.executor.ExecutorException;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.reflection.ArrayUtil;
import org.apache.ibatis.reflection.MetaObject;
import org.apache.ibatis.reflection.ParamNameResolver;
import org.apache.ibatis.session.Configuration;
import org.apache.ibatis.session.defaults.DefaultSqlSession.StrictMap;
import org.apache.ibatis.type.JdbcType;
import org.apache.ibatis.type.TypeHandler;
import org.apache.ibatis.type.TypeHandlerRegistry;

/**
 * @author Clinton Begin
 * @author Kazuki Shimizu
 */
public class Jdbc3KeyGenerator implements KeyGenerator {

  private static final String SECOND_GENERIC_PARAM_NAME = ParamNameResolver.GENERIC_NAME_PREFIX + "2";

  /**
   * A shared instance.
   *
   * @since 3.4.3
   */
  public static final Jdbc3KeyGenerator INSTANCE = new Jdbc3KeyGenerator();

  private static final String MSG_TOO_MANY_KEYS = "Too many keys are generated. There are only %d target objects. "
      + "You either specified a wrong 'keyProperty' or encountered a driver bug like #1523.";

  @Override
  public void processBefore(Executor executor, MappedStatement ms, Statement stmt, Object parameter) {
    // do nothing
  }

  @Override
  public void processAfter(Executor executor, MappedStatement ms, Statement stmt, Object parameter) {
    processBatch(ms, stmt, parameter);
  }

  public void processBatch(MappedStatement ms, Statement stmt, Object parameter) {
    final String[] keyProperties = ms.getKeyProperties();
    if (keyProperties == null || keyProperties.length == 0) {
      return;
    }
    try (ResultSet rs = stmt.getGeneratedKeys()) {
      final ResultSetMetaData rsmd = rs.getMetaData();
      final Configuration configuration = ms.getConfiguration();
      if (rsmd.getColumnCount() < keyProperties.length) {
        // Error?
      } else {
        assignKeys(configuration, rs, rsmd, keyProperties, parameter);
      }
    } catch (Exception e) {
      throw new ExecutorException("Error getting generated key or setting result to parameter object. Cause: " + e, e);
    }
  }

  @SuppressWarnings("unchecked")
  private void assignKeys(Configuration configuration, ResultSet rs, ResultSetMetaData rsmd, String[] keyProperties,
      Object parameter) throws SQLException {
    if (parameter instanceof ParamMap || parameter instanceof StrictMap) {
      // Multi-param or single param with @Param
      assignKeysToParamMap(configuration, rs, rsmd, keyProperties, (Map<String, ?>) parameter);
    } else if (parameter instanceof ArrayList && !((ArrayList<?>) parameter).isEmpty()
        && ((ArrayList<?>) parameter).get(0) instanceof ParamMap) {
      // Multi-param or single param with @Param in batch operation
      assignKeysToParamMapList(configuration, rs, rsmd, keyProperties, (ArrayList<ParamMap<?>>) parameter);
    } else {
      // Single param without @Param
      assignKeysToParam(configuration, rs, rsmd, keyProperties, parameter);
    }
  }

  private void assignKeysToParam(Configuration configuration, ResultSet rs, ResultSetMetaData rsmd,
      String[] keyProperties, Object parameter) throws SQLException {
    Collection<?> params = collectionize(parameter);
    if (params.isEmpty()) {
      return;
    }
    List<KeyAssigner> assignerList = new ArrayList<>();
    for (int i = 0; i < keyProperties.length; i++) {
      assignerList.add(new KeyAssigner(configuration, rsmd, i + 1, null, keyProperties[i]));
    }
    Iterator<?> iterator = params.iterator();
    while (rs.next()) {
      if (!iterator.hasNext()) {
        throw new ExecutorException(String.format(MSG_TOO_MANY_KEYS, params.size()));
      }
      Object param = iterator.next();
      assignerList.forEach(x -> x.assign(rs, param));
    }
  }

  private void assignKeysToParamMapList(Configuration configuration, ResultSet rs, ResultSetMetaData rsmd,
      String[] keyProperties, ArrayList<ParamMap<?>> paramMapList) throws SQLException {
    Iterator<ParamMap<?>> iterator = paramMapList.iterator();
    List<KeyAssigner> assignerList = new ArrayList<>();
    long counter = 0;
    while (rs.next()) {
      if (!iterator.hasNext()) {
        throw new ExecutorException(String.format(MSG_TOO_MANY_KEYS, counter));
      }
      ParamMap<?> paramMap = iterator.next();
      if (assignerList.isEmpty()) {
        for (int i = 0; i < keyProperties.length; i++) {
          assignerList
              .add(getAssignerForParamMap(configuration, rsmd, i + 1, paramMap, keyProperties[i], keyProperties, false)
                  .getValue());
        }
      }
      assignerList.forEach(x -> x.assign(rs, paramMap));
      counter++;
    }
  }

  private void assignKeysToParamMap(Configuration configuration, ResultSet rs, ResultSetMetaData rsmd,
      String[] keyProperties, Map<String, ?> paramMap) throws SQLException {
    if (paramMap.isEmpty()) {
      return;
    }
    Map<String, Entry<Iterator<?>, List<KeyAssigner>>> assignerMap = new HashMap<>();
    for (int i = 0; i < keyProperties.length; i++) {
      Entry<String, KeyAssigner> entry = getAssignerForParamMap(configuration, rsmd, i + 1, paramMap, keyProperties[i],
          keyProperties, true);
      Entry<Iterator<?>, List<KeyAssigner>> iteratorPair = assignerMap.computeIfAbsent(entry.getKey(),
          k -> Map.entry(collectionize(paramMap.get(k)).iterator(), new ArrayList<>()));
      iteratorPair.getValue().add(entry.getValue());
    }
    long counter = 0;
    while (rs.next()) {
      for (Entry<Iterator<?>, List<KeyAssigner>> pair : assignerMap.values()) {
        if (!pair.getKey().hasNext()) {
          throw new ExecutorException(String.format(MSG_TOO_MANY_KEYS, counter));
        }
        Object param = pair.getKey().next();
        pair.getValue().forEach(x -> x.assign(rs, param));
      }
      counter++;
    }
  }

  private Entry<String, KeyAssigner> getAssignerForParamMap(Configuration config, ResultSetMetaData rsmd,
      int columnPosition, Map<String, ?> paramMap, String keyProperty, String[] keyProperties, boolean omitParamName) {
    Set<String> keySet = paramMap.keySet();
    // A caveat : if the only parameter has {@code @Param("param2")} on it,
    // it must be referenced with param name e.g. 'param2.x'.
    boolean singleParam = !keySet.contains(SECOND_GENERIC_PARAM_NAME);
    int firstDot = keyProperty.indexOf('.');
    if (firstDot == -1) {
      if (singleParam) {
        return getAssignerForSingleParam(config, rsmd, columnPosition, paramMap, keyProperty, omitParamName);
      }
      throw new ExecutorException("Could not determine which parameter to assign generated keys to. "
          + "Note that when there are multiple parameters, 'keyProperty' must include the parameter name (e.g. 'param.id'). "
          + "Specified key properties are " + ArrayUtil.toString(keyProperties) + " and available parameters are "
          + keySet);
    }
    String paramName = keyProperty.substring(0, firstDot);
    if (keySet.contains(paramName)) {
      String argParamName = omitParamName ? null : paramName;
      String argKeyProperty = keyProperty.substring(firstDot + 1);
      return Map.entry(paramName, new KeyAssigner(config, rsmd, columnPosition, argParamName, argKeyProperty));
    }
    if (singleParam) {
      return getAssignerForSingleParam(config, rsmd, columnPosition, paramMap, keyProperty, omitParamName);
    } else {
      throw new ExecutorException("Could not find parameter '" + paramName + "'. "
          + "Note that when there are multiple parameters, 'keyProperty' must include the parameter name (e.g. 'param.id'). "
          + "Specified key properties are " + ArrayUtil.toString(keyProperties) + " and available parameters are "
          + keySet);
    }
  }

  private Entry<String, KeyAssigner> getAssignerForSingleParam(Configuration config, ResultSetMetaData rsmd,
      int columnPosition, Map<String, ?> paramMap, String keyProperty, boolean omitParamName) {
    // Assume 'keyProperty' to be a property of the single param.
    String singleParamName = nameOfSingleParam(paramMap);
    String argParamName = omitParamName ? null : singleParamName;
    return Map.entry(singleParamName, new KeyAssigner(config, rsmd, columnPosition, argParamName, keyProperty));
  }

  private static String nameOfSingleParam(Map<String, ?> paramMap) {
    // There is virtually one parameter, so any key works.
    return paramMap.keySet().iterator().next();
  }

  private static Collection<?> collectionize(Object param) {
    if (param instanceof Collection) {
      return (Collection<?>) param;
    }
    if (param instanceof Object[]) {
      return Arrays.asList((Object[]) param);
    } else {
      return Arrays.asList(param);
    }
  }

  private static class KeyAssigner {
    private final Configuration configuration;
    private final ResultSetMetaData rsmd;
    private final TypeHandlerRegistry typeHandlerRegistry;
    private final int columnPosition;
    private final String paramName;
    private final String propertyName;
    private TypeHandler<?> typeHandler;

    protected KeyAssigner(Configuration configuration, ResultSetMetaData rsmd, int columnPosition, String paramName,
        String propertyName) {
      this.configuration = configuration;
      this.rsmd = rsmd;
      this.typeHandlerRegistry = configuration.getTypeHandlerRegistry();
      this.columnPosition = columnPosition;
      this.paramName = paramName;
      this.propertyName = propertyName;
    }

    protected void assign(ResultSet rs, Object param) {
      if (paramName != null) {
        // If paramName is set, param is ParamMap
        param = ((ParamMap<?>) param).get(paramName);
      }
      MetaObject metaParam = configuration.newMetaObject(param);
      try {
        if (typeHandler == null) {
          if (!metaParam.hasSetter(propertyName)) {
            throw new ExecutorException("No setter found for the keyProperty '" + propertyName + "' in '"
                + metaParam.getOriginalObject().getClass().getName() + "'.");
          }
          Class<?> propertyType = metaParam.getSetterType(propertyName);
          typeHandler = typeHandlerRegistry.getTypeHandler(propertyType,
              JdbcType.forCode(rsmd.getColumnType(columnPosition)));
        }
        if (typeHandler == null) {
          // Error?
        } else {
          Object value = typeHandler.getResult(rs, columnPosition);
          metaParam.setValue(propertyName, value);
        }
      } catch (SQLException e) {
        throw new ExecutorException("Error getting generated key or setting result to parameter object. Cause: " + e,
            e);
      }
    }
  }
}

1	/*
2	* Copyright 2009-2025 the original author or authors.
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* https://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16	package org.apache.ibatis.executor.keygen;
17
18	import java.sql.ResultSet;
19	import java.sql.ResultSetMetaData;
20	import java.sql.SQLException;
21	import java.sql.Statement;
22	import java.util.ArrayList;
23	import java.util.Arrays;
24	import java.util.Collection;
25	import java.util.HashMap;
26	import java.util.Iterator;
27	import java.util.List;
28	import java.util.Map;
29	import java.util.Map.Entry;
30	import java.util.Set;
31
32	import org.apache.ibatis.binding.MapperMethod.ParamMap;
33	import org.apache.ibatis.executor.Executor;
34	import org.apache.ibatis.executor.ExecutorException;
35	import org.apache.ibatis.mapping.MappedStatement;
36	import org.apache.ibatis.reflection.ArrayUtil;
37	import org.apache.ibatis.reflection.MetaObject;
38	import org.apache.ibatis.reflection.ParamNameResolver;
39	import org.apache.ibatis.session.Configuration;
40	import org.apache.ibatis.session.defaults.DefaultSqlSession.StrictMap;
41	import org.apache.ibatis.type.JdbcType;
42	import org.apache.ibatis.type.TypeHandler;
43	import org.apache.ibatis.type.TypeHandlerRegistry;
44
45	/**
46	* @author Clinton Begin
47	* @author Kazuki Shimizu
48	*/
49	public class Jdbc3KeyGenerator implements KeyGenerator {	1✔
50
51	private static final String SECOND_GENERIC_PARAM_NAME = ParamNameResolver.GENERIC_NAME_PREFIX + "2";
52
53	/**
54	* A shared instance.
55	*
56	* @since 3.4.3
57	*/
58	public static final Jdbc3KeyGenerator INSTANCE = new Jdbc3KeyGenerator();	1✔
59
60	private static final String MSG_TOO_MANY_KEYS = "Too many keys are generated. There are only %d target objects. "
61	+ "You either specified a wrong 'keyProperty' or encountered a driver bug like #1523.";
62
63	@Override
64	public void processBefore(Executor executor, MappedStatement ms, Statement stmt, Object parameter) {
65	// do nothing
66	}	1✔
67
68	@Override
69	public void processAfter(Executor executor, MappedStatement ms, Statement stmt, Object parameter) {
70	processBatch(ms, stmt, parameter);	1✔
71	}	1✔
72
73	public void processBatch(MappedStatement ms, Statement stmt, Object parameter) {
74	final String[] keyProperties = ms.getKeyProperties();	1✔
75	if (keyProperties == null \|\| keyProperties.length == 0) {	1!
76	return;	1✔
77	}
78	try (ResultSet rs = stmt.getGeneratedKeys()) {	1✔
79	final ResultSetMetaData rsmd = rs.getMetaData();	1✔
80	final Configuration configuration = ms.getConfiguration();	1✔
81	if (rsmd.getColumnCount() < keyProperties.length) {	1!
82	// Error?
83	} else {
84	assignKeys(configuration, rs, rsmd, keyProperties, parameter);	1✔
85	}
86	} catch (Exception e) {	1✔
87	throw new ExecutorException("Error getting generated key or setting result to parameter object. Cause: " + e, e);	1✔
88	}	1✔
89	}	1✔
90
91	@SuppressWarnings("unchecked")
92	private void assignKeys(Configuration configuration, ResultSet rs, ResultSetMetaData rsmd, String[] keyProperties,
93	Object parameter) throws SQLException {
94	if (parameter instanceof ParamMap \|\| parameter instanceof StrictMap) {	1!
95	// Multi-param or single param with @Param
96	assignKeysToParamMap(configuration, rs, rsmd, keyProperties, (Map<String, ?>) parameter);	1✔
97	} else if (parameter instanceof ArrayList && !((ArrayList<?>) parameter).isEmpty()	1!
98	&& ((ArrayList<?>) parameter).get(0) instanceof ParamMap) {	1✔
99	// Multi-param or single param with @Param in batch operation
100	assignKeysToParamMapList(configuration, rs, rsmd, keyProperties, (ArrayList<ParamMap<?>>) parameter);	1✔
101	} else {
102	// Single param without @Param
103	assignKeysToParam(configuration, rs, rsmd, keyProperties, parameter);	1✔
104	}
105	}	1✔
106
107	private void assignKeysToParam(Configuration configuration, ResultSet rs, ResultSetMetaData rsmd,
108	String[] keyProperties, Object parameter) throws SQLException {
109	Collection<?> params = collectionize(parameter);	1✔
110	if (params.isEmpty()) {	1!
UNCOV 111	return;	×
112	}
113	List<KeyAssigner> assignerList = new ArrayList<>();	1✔
114	for (int i = 0; i < keyProperties.length; i++) {	1✔
115	assignerList.add(new KeyAssigner(configuration, rsmd, i + 1, null, keyProperties[i]));	1✔
116	}
117	Iterator<?> iterator = params.iterator();	1✔
118	while (rs.next()) {	1✔
119	if (!iterator.hasNext()) {	1✔
120	throw new ExecutorException(String.format(MSG_TOO_MANY_KEYS, params.size()));	1✔
121	}
122	Object param = iterator.next();	1✔
123	assignerList.forEach(x -> x.assign(rs, param));	1✔
124	}	1✔
125	}	1✔
126
127	private void assignKeysToParamMapList(Configuration configuration, ResultSet rs, ResultSetMetaData rsmd,
128	String[] keyProperties, ArrayList<ParamMap<?>> paramMapList) throws SQLException {
129	Iterator<ParamMap<?>> iterator = paramMapList.iterator();	1✔
130	List<KeyAssigner> assignerList = new ArrayList<>();	1✔
131	long counter = 0;	1✔
132	while (rs.next()) {	1✔
133	if (!iterator.hasNext()) {	1✔
134	throw new ExecutorException(String.format(MSG_TOO_MANY_KEYS, counter));	1✔
135	}
136	ParamMap<?> paramMap = iterator.next();	1✔
137	if (assignerList.isEmpty()) {	1✔
138	for (int i = 0; i < keyProperties.length; i++) {	1✔
139	assignerList	1✔
140	.add(getAssignerForParamMap(configuration, rsmd, i + 1, paramMap, keyProperties[i], keyProperties, false)	1✔
141	.getValue());	1✔
142	}
143	}
144	assignerList.forEach(x -> x.assign(rs, paramMap));	1✔
145	counter++;	1✔
146	}	1✔
147	}	1✔
148
149	private void assignKeysToParamMap(Configuration configuration, ResultSet rs, ResultSetMetaData rsmd,
150	String[] keyProperties, Map<String, ?> paramMap) throws SQLException {
151	if (paramMap.isEmpty()) {	1!
UNCOV 152	return;	×
153	}
154	Map<String, Entry<Iterator<?>, List<KeyAssigner>>> assignerMap = new HashMap<>();	1✔
155	for (int i = 0; i < keyProperties.length; i++) {	1✔
156	Entry<String, KeyAssigner> entry = getAssignerForParamMap(configuration, rsmd, i + 1, paramMap, keyProperties[i],	1✔
157	keyProperties, true);
158	Entry<Iterator<?>, List<KeyAssigner>> iteratorPair = assignerMap.computeIfAbsent(entry.getKey(),	1✔
159	k -> Map.entry(collectionize(paramMap.get(k)).iterator(), new ArrayList<>()));	1✔
160	iteratorPair.getValue().add(entry.getValue());	1✔
161	}
162	long counter = 0;	1✔
163	while (rs.next()) {	1✔
164	for (Entry<Iterator<?>, List<KeyAssigner>> pair : assignerMap.values()) {	1✔
165	if (!pair.getKey().hasNext()) {	1✔
166	throw new ExecutorException(String.format(MSG_TOO_MANY_KEYS, counter));	1✔
167	}
168	Object param = pair.getKey().next();	1✔
169	pair.getValue().forEach(x -> x.assign(rs, param));	1✔
170	}	1✔
171	counter++;	1✔
172	}
173	}	1✔
174
175	private Entry<String, KeyAssigner> getAssignerForParamMap(Configuration config, ResultSetMetaData rsmd,
176	int columnPosition, Map<String, ?> paramMap, String keyProperty, String[] keyProperties, boolean omitParamName) {
177	Set<String> keySet = paramMap.keySet();	1✔
178	// A caveat : if the only parameter has {@code @Param("param2")} on it,
179	// it must be referenced with param name e.g. 'param2.x'.
180	boolean singleParam = !keySet.contains(SECOND_GENERIC_PARAM_NAME);	1✔
181	int firstDot = keyProperty.indexOf('.');	1✔
182	if (firstDot == -1) {	1✔
183	if (singleParam) {	1✔
184	return getAssignerForSingleParam(config, rsmd, columnPosition, paramMap, keyProperty, omitParamName);	1✔
185	}
186	throw new ExecutorException("Could not determine which parameter to assign generated keys to. "	1✔
187	+ "Note that when there are multiple parameters, 'keyProperty' must include the parameter name (e.g. 'param.id'). "
188	+ "Specified key properties are " + ArrayUtil.toString(keyProperties) + " and available parameters are "	1✔
189	+ keySet);
190	}
191	String paramName = keyProperty.substring(0, firstDot);	1✔
192	if (keySet.contains(paramName)) {	1✔
193	String argParamName = omitParamName ? null : paramName;	1✔
194	String argKeyProperty = keyProperty.substring(firstDot + 1);	1✔
195	return Map.entry(paramName, new KeyAssigner(config, rsmd, columnPosition, argParamName, argKeyProperty));	1✔
196	}
197	if (singleParam) {	1!
UNCOV 198	return getAssignerForSingleParam(config, rsmd, columnPosition, paramMap, keyProperty, omitParamName);	×
199	} else {
200	throw new ExecutorException("Could not find parameter '" + paramName + "'. "	1✔
201	+ "Note that when there are multiple parameters, 'keyProperty' must include the parameter name (e.g. 'param.id'). "
202	+ "Specified key properties are " + ArrayUtil.toString(keyProperties) + " and available parameters are "	1✔
203	+ keySet);
204	}
205	}
206
207	private Entry<String, KeyAssigner> getAssignerForSingleParam(Configuration config, ResultSetMetaData rsmd,
208	int columnPosition, Map<String, ?> paramMap, String keyProperty, boolean omitParamName) {
209	// Assume 'keyProperty' to be a property of the single param.
210	String singleParamName = nameOfSingleParam(paramMap);	1✔
211	String argParamName = omitParamName ? null : singleParamName;	1✔
212	return Map.entry(singleParamName, new KeyAssigner(config, rsmd, columnPosition, argParamName, keyProperty));	1✔
213	}
214
215	private static String nameOfSingleParam(Map<String, ?> paramMap) {
216	// There is virtually one parameter, so any key works.
217	return paramMap.keySet().iterator().next();	1✔
218	}
219
220	private static Collection<?> collectionize(Object param) {
221	if (param instanceof Collection) {	1✔
222	return (Collection<?>) param;	1✔
223	}
224	if (param instanceof Object[]) {	1✔
225	return Arrays.asList((Object[]) param);	1✔
226	} else {
227	return Arrays.asList(param);	1✔
228	}
229	}
230
231	private static class KeyAssigner {
232	private final Configuration configuration;
233	private final ResultSetMetaData rsmd;
234	private final TypeHandlerRegistry typeHandlerRegistry;
235	private final int columnPosition;
236	private final String paramName;
237	private final String propertyName;
238	private TypeHandler<?> typeHandler;
239
240	protected KeyAssigner(Configuration configuration, ResultSetMetaData rsmd, int columnPosition, String paramName,
241	String propertyName) {	1✔
242	this.configuration = configuration;	1✔
243	this.rsmd = rsmd;	1✔
244	this.typeHandlerRegistry = configuration.getTypeHandlerRegistry();	1✔
245	this.columnPosition = columnPosition;	1✔
246	this.paramName = paramName;	1✔
247	this.propertyName = propertyName;	1✔
248	}	1✔
249
250	protected void assign(ResultSet rs, Object param) {
251	if (paramName != null) {	1✔
252	// If paramName is set, param is ParamMap
253	param = ((ParamMap<?>) param).get(paramName);	1✔
254	}
255	MetaObject metaParam = configuration.newMetaObject(param);	1✔
256	try {
257	if (typeHandler == null) {	1✔
258	if (!metaParam.hasSetter(propertyName)) {	1✔
259	throw new ExecutorException("No setter found for the keyProperty '" + propertyName + "' in '"	1✔
260	+ metaParam.getOriginalObject().getClass().getName() + "'.");	1✔
261	}
262	Class<?> propertyType = metaParam.getSetterType(propertyName);	1✔
263	typeHandler = typeHandlerRegistry.getTypeHandler(propertyType,	1✔
264	JdbcType.forCode(rsmd.getColumnType(columnPosition)));	1✔
265	}
266	if (typeHandler == null) {	1!
267	// Error?
268	} else {
269	Object value = typeHandler.getResult(rs, columnPosition);	1✔
270	metaParam.setValue(propertyName, value);	1✔
271	}
UNCOV 272	} catch (SQLException e) {	×
273	throw new ExecutorException("Error getting generated key or setting result to parameter object. Cause: " + e,	×
274	e);
275	}	1✔
276	}	1✔
277	}
278	}

mybatis / mybatis-3 / 2604

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