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.interceptor;
018
019import java.io.Serializable;
020
021import org.springframework.transaction.support.DelegatingTransactionDefinition;
022
023/**
024 * {@link TransactionAttribute} implementation that delegates all calls to a given target
025 * {@link TransactionAttribute} instance. Abstract because it is meant to be subclassed,
026 * with subclasses overriding specific methods that are not supposed to simply delegate
027 * to the target instance.
028 *
029 * @author Juergen Hoeller
030 * @since 1.2
031 */
032@SuppressWarnings("serial")
033public abstract class DelegatingTransactionAttribute extends DelegatingTransactionDefinition
034                implements TransactionAttribute, Serializable {
035
036        private final TransactionAttribute targetAttribute;
037
038
039        /**
040         * Create a DelegatingTransactionAttribute for the given target attribute.
041         * @param targetAttribute the target TransactionAttribute to delegate to
042         */
043        public DelegatingTransactionAttribute(TransactionAttribute targetAttribute) {
044                super(targetAttribute);
045                this.targetAttribute = targetAttribute;
046        }
047
048
049        @Override
050        public String getQualifier() {
051                return this.targetAttribute.getQualifier();
052        }
053
054        @Override
055        public boolean rollbackOn(Throwable ex) {
056                return this.targetAttribute.rollbackOn(ex);
057        }
058
059}