package org.apache.ibatis.executor;
import org.apache.ibatis.executor.statement.StatementHandler;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.session.Configuration;
import org.apache.ibatis.session.ResultHandler;
import org.apache.ibatis.session.RowBounds;
import org.apache.ibatis.transaction.Transaction;
import java.sql.Connection;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.Collections;
import java.util.List;
public class SimpleExecutor extends BaseExecutor {
public SimpleExecutor(Configuration configuration, Transaction transaction) {
super(configuration, transaction);
}
public int doUpdate(MappedStatement ms, Object parameter)
throws SQLException {
Statement stmt = null;
try {
Configuration configuration = ms.getConfiguration();
StatementHandler handler = configuration.newStatementHandler(this, ms, parameter, RowBounds.DEFAULT, null);
stmt = prepareStatement(handler);
return handler.update(stmt);
} finally {
closeStatement(stmt);
}
}
public List doQuery(MappedStatement ms, Object parameter, RowBounds rowBounds, ResultHandler resultHandler) throws SQLException {
Statement stmt = null;
try {
Configuration configuration = ms.getConfiguration();
StatementHandler handler = configuration.newStatementHandler(this, ms, parameter, rowBounds, resultHandler);
stmt = prepareStatement(handler);
return handler.query(stmt, resultHandler);
} finally {
closeStatement(stmt);
}
}
public List doFlushStatements()
throws SQLException {
return Collections.EMPTY_LIST;
}
private Statement prepareStatement(StatementHandler handler) throws SQLException {
Statement stmt;
Connection connection = transaction.getConnection();
stmt = handler.prepare(connection);
handler.parameterize(stmt);
return stmt;
}
}
|