/*
* Copyright 2004-2015 the Seasar Foundation and the Others.
*
* 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 org.seasar.extension.jdbc.impl;
import java.sql.CallableStatement;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.Statement;
import org.seasar.extension.jdbc.StatementFactory;
import org.seasar.framework.util.StatementUtil;
/**
* {@link Statement}をカスタマイズするためのファクトリです。
*
* @author manhole
* @author higa
*/
public class ConfigurableStatementFactory implements StatementFactory {
/**
* {@link StatementFactory}です。
*/
protected StatementFactory statementFactory;
/**
* フェッチサイズです。
*/
protected Integer fetchSize;
/**
* 最大行数です。
*/
protected Integer maxRows;
/**
* クエリのタイムアウトです。
*/
protected Integer queryTimeout;
/**
* {@link ConfigurableStatementFactory}を作成します。
*
* @param statementFactory
*/
public ConfigurableStatementFactory(StatementFactory statementFactory) {
if (statementFactory == null) {
throw new NullPointerException("statementFactory");
}
this.statementFactory = statementFactory;
}
public PreparedStatement createPreparedStatement(Connection con, String sql) {
PreparedStatement ps = statementFactory.createPreparedStatement(con,
sql);
configurePreparedStatement(ps);
return ps;
}
public CallableStatement createCallableStatement(Connection con, String sql) {
CallableStatement cs = statementFactory.createCallableStatement(con,
sql);
configurePreparedStatement(cs);
return cs;
}
/**
* {@link PreparedStatement}をカスタマイズします。
*
* @param ps
*/
protected void configurePreparedStatement(PreparedStatement ps) {
if (fetchSize != null) {
StatementUtil.setFetchSize(ps, fetchSize.intValue());
}
if (maxRows != null) {
StatementUtil.setMaxRows(ps, maxRows.intValue());
}
if (queryTimeout != null) {
StatementUtil.setQueryTimeout(ps, queryTimeout.intValue());
}
}
/**
* フェッチサイズを設定します。
*
* @param fetchSize
*/
public void setFetchSize(Integer fetchSize) {
this.fetchSize = fetchSize;
}
/**
* 最大行数を設定します。
*
* @param maxRows
*/
public void setMaxRows(Integer maxRows) {
this.maxRows = maxRows;
}
/**
* クエリタイムアウトを設定します。
*
* @param queryTimeout
*/
public void setQueryTimeout(Integer queryTimeout) {
this.queryTimeout = queryTimeout;
}
}