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 java.io.Serializable; 020 021import org.springframework.transaction.TransactionDefinition; 022import org.springframework.util.Assert; 023 024/** 025 * {@link TransactionDefinition} implementation that delegates all calls to a given target 026 * {@link TransactionDefinition} instance. Abstract because it is meant to be subclassed, 027 * with subclasses overriding specific methods that are not supposed to simply delegate 028 * to the target instance. 029 * 030 * @author Juergen Hoeller 031 * @since 3.0 032 */ 033@SuppressWarnings("serial") 034public abstract class DelegatingTransactionDefinition implements TransactionDefinition, Serializable { 035 036 private final TransactionDefinition targetDefinition; 037 038 039 /** 040 * Create a DelegatingTransactionAttribute for the given target attribute. 041 * @param targetDefinition the target TransactionAttribute to delegate to 042 */ 043 public DelegatingTransactionDefinition(TransactionDefinition targetDefinition) { 044 Assert.notNull(targetDefinition, "Target definition must not be null"); 045 this.targetDefinition = targetDefinition; 046 } 047 048 049 @Override 050 public int getPropagationBehavior() { 051 return this.targetDefinition.getPropagationBehavior(); 052 } 053 054 @Override 055 public int getIsolationLevel() { 056 return this.targetDefinition.getIsolationLevel(); 057 } 058 059 @Override 060 public int getTimeout() { 061 return this.targetDefinition.getTimeout(); 062 } 063 064 @Override 065 public boolean isReadOnly() { 066 return this.targetDefinition.isReadOnly(); 067 } 068 069 @Override 070 public String getName() { 071 return this.targetDefinition.getName(); 072 } 073 074 075 @Override 076 public boolean equals(Object obj) { 077 return this.targetDefinition.equals(obj); 078 } 079 080 @Override 081 public int hashCode() { 082 return this.targetDefinition.hashCode(); 083 } 084 085 @Override 086 public String toString() { 087 return this.targetDefinition.toString(); 088 } 089 090}