001/*
002 * Copyright 2002-2012 the original author or authors.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *      https://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 */
016
017package org.springframework.transaction.support;
018
019import org.springframework.core.Ordered;
020
021/**
022 * Simple {@link TransactionSynchronization} adapter containing empty
023 * method implementations, for easier overriding of single methods.
024 *
025 * <p>Also implements the {@link Ordered} interface to enable the execution
026 * order of synchronizations to be controlled declaratively. The default
027 * {@link #getOrder() order} is {@link Ordered#LOWEST_PRECEDENCE}, indicating
028 * late execution; return a lower value for earlier execution.
029 *
030 * @author Juergen Hoeller
031 * @since 22.01.2004
032 */
033public abstract class TransactionSynchronizationAdapter implements TransactionSynchronization, Ordered {
034
035        @Override
036        public int getOrder() {
037                return Ordered.LOWEST_PRECEDENCE;
038        }
039
040        @Override
041        public void suspend() {
042        }
043
044        @Override
045        public void resume() {
046        }
047
048        @Override
049        public void flush() {
050        }
051
052        @Override
053        public void beforeCommit(boolean readOnly) {
054        }
055
056        @Override
057        public void beforeCompletion() {
058        }
059
060        @Override
061        public void afterCommit() {
062        }
063
064        @Override
065        public void afterCompletion(int status) {
066        }
067
068}