001/* 002 * Copyright 2002-2013 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.interceptor; 018 019import java.io.Serializable; 020import java.lang.reflect.Method; 021 022import org.springframework.util.ClassUtils; 023import org.springframework.util.ObjectUtils; 024 025/** 026 * Very simple implementation of TransactionAttributeSource which will always return 027 * the same TransactionAttribute for all methods fed to it. The TransactionAttribute 028 * may be specified, but will otherwise default to PROPAGATION_REQUIRED. This may be 029 * used in the cases where you want to use the same transaction attribute with all 030 * methods being handled by a transaction interceptor. 031 * 032 * @author Colin Sampaleanu 033 * @since 15.10.2003 034 * @see org.springframework.transaction.interceptor.TransactionProxyFactoryBean 035 * @see org.springframework.aop.framework.autoproxy.BeanNameAutoProxyCreator 036 */ 037@SuppressWarnings("serial") 038public class MatchAlwaysTransactionAttributeSource implements TransactionAttributeSource, Serializable { 039 040 private TransactionAttribute transactionAttribute = new DefaultTransactionAttribute(); 041 042 043 /** 044 * Allows a transaction attribute to be specified, using the String form, for 045 * example, "PROPAGATION_REQUIRED". 046 * @param transactionAttribute The String form of the transactionAttribute to use. 047 * @see org.springframework.transaction.interceptor.TransactionAttributeEditor 048 */ 049 public void setTransactionAttribute(TransactionAttribute transactionAttribute) { 050 this.transactionAttribute = transactionAttribute; 051 } 052 053 054 @Override 055 public TransactionAttribute getTransactionAttribute(Method method, Class<?> targetClass) { 056 return (method == null || ClassUtils.isUserLevelMethod(method) ? this.transactionAttribute : null); 057 } 058 059 060 @Override 061 public boolean equals(Object other) { 062 if (this == other) { 063 return true; 064 } 065 if (!(other instanceof MatchAlwaysTransactionAttributeSource)) { 066 return false; 067 } 068 MatchAlwaysTransactionAttributeSource otherTas = (MatchAlwaysTransactionAttributeSource) other; 069 return ObjectUtils.nullSafeEquals(this.transactionAttribute, otherTas.transactionAttribute); 070 } 071 072 @Override 073 public int hashCode() { 074 return MatchAlwaysTransactionAttributeSource.class.hashCode(); 075 } 076 077 @Override 078 public String toString() { 079 return getClass().getName() + ": " + this.transactionAttribute; 080 } 081 082}