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The jBATIS persistence framework will help you to significantly reduce the amount of Java code that you normally need to access a relational database. iBATIS simply maps JavaBeans to SQL statements using a very simple XML descriptor.
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/*
* Copyright 2004 Clinton Begin
*
* 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
*
* http://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 com.ibatis.sqlmap.engine.mapping.statement;
import com.ibatis.common.beans.ProbeFactory;
import com.ibatis.common.jdbc.exception.NestedSQLException;
import com.ibatis.common.logging.ILog;
import com.ibatis.common.logging.ILogFactory;
import com.ibatis.sqlmap.client.event.RowHandler;
import com.ibatis.sqlmap.engine.mapping.parameter.ParameterMap;
import com.ibatis.sqlmap.engine.mapping.result.ResultMap;
import com.ibatis.sqlmap.engine.mapping.sql.Sql;
import com.ibatis.sqlmap.engine.scope.ErrorContext;
import com.ibatis.sqlmap.engine.scope.StatementScope;
import com.ibatis.sqlmap.engine.transaction.Transaction;
import java.sql.SQLException;
import java.util.List;
public class InsertStatement extends MappedStatement {
static final ILog log = ILogFactory.getLog(InsertStatement.class);
private SelectKeyStatement selectKeyStatement;
@Override
public StatementType getStatementType() {
return StatementType.INSERT;
}
@Override
public T executeQueryForObject(StatementScope statementScope, Transaction trans, Object parameterObject,
Object resultObject) throws SQLException {
throw new SQLException("Insert statements cannot be executed as a query.");
}
@Override
public int executeQueryForPage(StatementScope statementScope, List page, Transaction trans,
Object paramObject, int skipResults, int maxResults) throws SQLException {
throw new SQLException("Insert statements cannot be executed as a query.");
}
@Override
public List executeQueryForList(StatementScope statementScope, Transaction trans, Object parameterObject,
int skipResults, int maxResults) throws SQLException {
throw new SQLException("Insert statements cannot be executed as a query.");
}
@Override
public void executeQueryWithRowHandler(StatementScope statementScope, Transaction trans, Object parameterObject,
RowHandler rowHandler) throws SQLException {
throw new SQLException("Update statements cannot be executed as a query.");
}
public SelectKeyStatement getSelectKeyStatement() {
return selectKeyStatement;
}
public void setSelectKeyStatement(SelectKeyStatement selectKeyStatement) {
this.selectKeyStatement = selectKeyStatement;
}
public Object executeInsert(StatementScope statementScope, Transaction trans, Object parameterObject)
throws SQLException {
ErrorContext errorContext = statementScope.getErrorContext();
errorContext.setActivity("preparing the mapped statement for execution");
errorContext.setObjectId(this.getId());
errorContext.setResource(this.getResource());
statementScope.getSession().setCommitRequired(true);
try {
parameterObject = validateParameter(parameterObject);
Sql sql = getSql();
errorContext.setMoreInfo("Check the parameter map.");
ParameterMap parameterMap = sql.getParameterMap(statementScope, parameterObject);
errorContext.setMoreInfo("Check the result map.");
ResultMap resultMap = sql.getResultMap(statementScope, parameterObject);
statementScope.setResultMap(resultMap);
statementScope.setParameterMap(parameterMap);
errorContext.setMoreInfo("Check the parameter map.");
Object[] parameters = parameterMap.getParameterObjectValues(statementScope, parameterObject);
errorContext.setMoreInfo("Check the SQL statement.");
String sqlString = sql.getSql(statementScope, parameterObject);
errorContext.setActivity("executing mapped statement");
errorContext.setMoreInfo("Check the statement or the result map.");
errorContext.setConnection(trans.getConnection());
Object generatedKey = getSqlExecutor().executeInsert(getId(), statementScope, trans.getConnection(), sqlString,
parameters, selectKeyStatement.getResultMap());
errorContext.setMoreInfo("Set back the generatedKey.");
String keyProp = selectKeyStatement.getKeyProperty();
if (keyProp != null) {
ProbeFactory.getProbe().setObject(parameterObject, keyProp, generatedKey);
}
errorContext.setMoreInfo("Check the output parameters.");
if (parameterObject != null) {
postProcessParameterObject(statementScope, parameterObject, parameters);
}
// errorContext.reset();
sql.cleanup(statementScope);
notifyListeners(null);
return generatedKey;
} catch (SQLException e) {
errorContext.setCause(e);
throw new NestedSQLException(errorContext.toString(), e.getSQLState(), e.getErrorCode(), e);
} catch (Exception e) {
errorContext.setCause(e);
throw new NestedSQLException(errorContext.toString(), e);
}
}
@Override
public boolean isCanBatch() {
return canBatch && (getSelectKeyStatement() == null || !getSelectKeyStatement().isRunAfterSQL());
}
@Override
public void checkSql(ErrorContext ec) {
Sql sql = getSql();
String txt = sql.headText();
if (txt != null && !txt.contains("into") && !txt.contains("INTO")) {
ec.setObjectId(getId());
ec.setDebugInfo("Maybe not insert/replace clause.");
log.warn(ec.toStr());
}
}
}