/*
* Copyright 2010-2011 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 com.starflow.wf.engine.transaction;
import org.springframework.transaction.TransactionException;
import org.springframework.transaction.TransactionStatus;
/**
*
* @author libinsong1204@gmail.com
* @date 2011-1-7
* @version
*/
public class TransactionTemplate {
private TransactedPolicy transactedPolicy;
public TransactionTemplate(TransactedPolicy transactedPolicy) {
this.transactedPolicy = transactedPolicy;
}
public <T> T execute(TransactionCallback<T> action)
throws TransactionException {
TransactionStatus status = transactedPolicy.begin();
T result = null;
try {
result = action.doInTransaction(status);
} catch (RuntimeException ex) {
transactedPolicy.rollbackOnException(status, ex);
throw ex;
} catch (Error err) {
transactedPolicy.rollbackOnException(status, err);
throw err;
}
transactedPolicy.commit(status);
return result;
}
public <T> T execute(int propagationBehavior, TransactionCallback<T> action)
throws TransactionException {
TransactionStatus status = transactedPolicy.begin(propagationBehavior);
T result = null;
try {
result = action.doInTransaction(status);
} catch (RuntimeException ex) {
transactedPolicy.rollbackOnException(status, ex);
throw ex;
} catch (Error err) {
transactedPolicy.rollbackOnException(status, err);
throw err;
}
transactedPolicy.commit(status);
return result;
}
}