001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.activemq.broker.region.virtual;
018
019import org.apache.activemq.broker.region.Destination;
020import org.apache.activemq.command.ActiveMQDestination;
021import org.apache.activemq.command.ActiveMQTopic;
022
023/**
024 * Represents a virtual topic which forwards to a number of other destinations.
025 *
026 * @org.apache.xbean.XBean
027 *
028 */
029public class CompositeTopic extends CompositeDestination {
030
031    @Override
032    public ActiveMQDestination getVirtualDestination() {
033        return new ActiveMQTopic(getName());
034    }
035
036    @Override
037    public Destination interceptMappedDestination(Destination destination) {
038        if (!isForwardOnly() && destination.getActiveMQDestination().isQueue()) {
039            // recover retroactive messages in mapped Queue
040            return new MappedQueueFilter(getVirtualDestination(), destination);
041        }
042        return destination;
043    }
044
045    @Override
046    public String toString() {
047        return "CompositeTopic [" + getName() + "]";
048    }
049}