/* * Copyright 2002-2005 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.TransactionStatus; /** * Simple convenience class for TransactionCallback implementation. * Allows for implementing a doInTransaction version without result, * i.e. without the need for a return statement. * * @author Juergen Hoeller * @since 28.03.2003 * @see TransactionTemplate */ public abstract class TransactionCallbackWithoutResult implements TransactionCallback { public final Object doInTransaction(TransactionStatus status) { doInTransactionWithoutResult(status); return null; } /** * Gets called by TransactionTemplate.execute within a transactional context. * Does not need to care about transactions itself, although it can retrieve * and influence the status of the current transaction via the given status * object, e.g. setting rollback-only. * * <p>A RuntimeException thrown by the callback is treated as application * exception that enforces a rollback. An exception gets propagated to the * caller of the template. * * <p>Note when using JTA: JTA transactions only work with transactional * JNDI resources, so implementations need to use such resources if they * want transaction support. * * @param status associated transaction status * @see TransactionTemplate#execute */ protected abstract void doInTransactionWithoutResult(TransactionStatus status); }