/*
* Copyright 2004-2009 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 org.compass.core;
/**
* Allows the application to define units of work, while maintaining abstraction
* from the underlying transaction implementation (eg. JTA, Local).
*
* @see org.compass.core.CompassSession#beginTransaction()
* @see org.compass.core.transaction.TransactionFactory
*
* @author kimchy
*/
public interface CompassTransaction {
/**
* Ends the current unit of work. The transaction will be commited only if
* it was initiated by the current transcation.
*
* @throws CompassException
*/
void commit() throws CompassException;
/**
* Force the underlying transaction to roll back.
*
* @throws CompassException
*/
void rollback() throws CompassException;
/**
* Was this transaction rolled back or set to rollback only?
*
* @return If the transaction was rolled backed
* @throws CompassException
*/
boolean wasRolledBack() throws CompassException;
/**
* Check if this transaction was successfully committed. This method could
* return <code>false</code> even after successful invocation of
* <code>commit()</code>.
*
* @return If the transaction was committed
* @throws CompassException
*/
boolean wasCommitted() throws CompassException;
/**
* Returns the current Compass transaction associated with this transaction.
*/
CompassSession getSession();
}