/*
* Copyright 2002-2007 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.support;
import org.springframework.transaction.TransactionException;
/**
* Interface specifying basic transaction execution operations.
* Implemented by {@link TransactionTemplate}. Not often used directly,
* but a useful option to enhance testability, as it can easily be
* mocked or stubbed.
*
* @author Juergen Hoeller
* @since 2.0.4
*/
public interface TransactionOperations {
/**
* Execute the action specified by the given callback object within a transaction.
* <p>Allows for returning a result object created within the transaction, that is,
* a domain object or a collection of domain objects. A RuntimeException thrown
* by the callback is treated as a fatal exception that enforces a rollback.
* Such an exception gets propagated to the caller of the template.
* @param action the callback object that specifies the transactional action
* @return a result object returned by the callback, or <code>null</code> if none
* @throws TransactionException in case of initialization, rollback, or system errors
*/
Object execute(TransactionCallback action) throws TransactionException;
}