/*
* Copyright 2002-2010 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 org.springframework.transaction.jta;
import javax.transaction.HeuristicMixedException;
import javax.transaction.HeuristicRollbackException;
import javax.transaction.NotSupportedException;
import javax.transaction.RollbackException;
import javax.transaction.SystemException;
import javax.transaction.TransactionManager;
import javax.transaction.UserTransaction;
import org.springframework.util.Assert;
/**
* Adapter for a JTA UserTransaction handle, taking a JTA
* {@link javax.transaction.TransactionManager} reference and creating
* a JTA {@link javax.transaction.UserTransaction} handle for it.
*
* <p>The JTA UserTransaction interface is an exact subset of the JTA
* TransactionManager interface. Unfortunately, it does not serve as
* super-interface of TransactionManager, though, which requires an
* adapter such as this class to be used when intending to talk to
* a TransactionManager handle through the UserTransaction interface.
*
* <p>Used internally by Spring's {@link JtaTransactionManager} for certain
* scenarios. Not intended for direct use in application code.
*
* @author Juergen Hoeller
* @since 1.1.5
*/
public class UserTransactionAdapter implements UserTransaction {
private final TransactionManager transactionManager;
/**
* Create a new UserTransactionAdapter for the given TransactionManager.
* @param transactionManager the JTA TransactionManager to wrap
*/
public UserTransactionAdapter(TransactionManager transactionManager) {
Assert.notNull(transactionManager, "TransactionManager must not be null");
this.transactionManager = transactionManager;
}
/**
* Return the JTA TransactionManager that this adapter delegates to.
*/
public final TransactionManager getTransactionManager() {
return this.transactionManager;
}
public void setTransactionTimeout(int timeout) throws SystemException {
this.transactionManager.setTransactionTimeout(timeout);
}
public void begin() throws NotSupportedException, SystemException {
this.transactionManager.begin();
}
public void commit()
throws RollbackException, HeuristicMixedException, HeuristicRollbackException,
SecurityException, SystemException {
this.transactionManager.commit();
}
public void rollback() throws SecurityException, SystemException {
this.transactionManager.rollback();
}
public void setRollbackOnly() throws SystemException {
this.transactionManager.setRollbackOnly();
}
public int getStatus() throws SystemException {
return this.transactionManager.getStatus();
}
}
|