/*
* Copyright 2008-2009 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
*
* 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 net.hasor.data.transaction.support;
import net.hasor.data.datasource.ConnectionHolder;
import net.hasor.data.datasource.SavepointManager;
import net.hasor.data.transaction.Isolation;
import javax.sql.DataSource;
import java.sql.SQLException;
/**
*
* @version : 2014-1-18
* @author 赵永春 (zyc@byshell.org)
*/
public class TransactionObject {
private ConnectionHolder holder = null;
private DataSource dataSource = null;
private Isolation oriIsolationLevel; //创建事务对象时的隔离级别,当事物结束之后用以恢复隔离级别
public TransactionObject(final ConnectionHolder holder, final Isolation oriIsolationLevel, final DataSource dataSource) throws SQLException {
this.holder = holder;
this.dataSource = dataSource;
this.oriIsolationLevel = oriIsolationLevel;
}
public Isolation getOriIsolationLevel() {
return this.oriIsolationLevel;
}
public ConnectionHolder getHolder() {
return this.holder;
}
public DataSource getDataSource() {
return this.dataSource;
}
public SavepointManager getSavepointManager() {
return this.getHolder();
}
public void rollback() throws SQLException {
if (this.holder.hasTransaction()) {
this.holder.getConnection().rollback();//在AutoCommit情况下不执行事务操作(MYSQL强制在auto下执行该方法会引发异常)。
}
}
public void commit() throws SQLException {
if (this.holder.hasTransaction()) {
this.holder.getConnection().commit();//在AutoCommit情况下不执行事务操作(MYSQL强制在auto下执行该方法会引发异常)。
}
}
public boolean hasTransaction() throws SQLException {
return this.holder.hasTransaction();
}
//
private boolean recoverMark = false;
public void beginTransaction() throws SQLException {
if (!this.holder.hasTransaction()) {
this.recoverMark = true;
}
this.holder.setTransaction();
}
public void stopTransaction() throws SQLException {
if (!this.recoverMark) {
return;
}
this.recoverMark = false;
this.holder.cancelTransaction();
}
}