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; 018 019import org.apache.activemq.broker.BrokerService; 020import org.apache.activemq.broker.ConnectionContext; 021import org.apache.activemq.command.ActiveMQDestination; 022import org.apache.activemq.command.ActiveMQTempDestination; 023import org.apache.activemq.store.TopicMessageStore; 024import org.apache.activemq.thread.Task; 025import org.apache.activemq.thread.TaskRunnerFactory; 026 027/** 028 * The Topic is a destination that sends a copy of a message to every active 029 * Subscription registered. 030 * 031 * 032 */ 033public class TempTopic extends Topic implements Task{ 034 private final ActiveMQTempDestination tempDest; 035 /** 036 * @param brokerService 037 * @param destination 038 * @param store 039 * @param parentStats 040 * @param taskFactory 041 * @throws Exception 042 */ 043 public TempTopic(BrokerService brokerService, 044 ActiveMQDestination destination, TopicMessageStore store, 045 DestinationStatistics parentStats, TaskRunnerFactory taskFactory) 046 throws Exception { 047 super(brokerService, destination, store, parentStats, taskFactory); 048 this.tempDest = (ActiveMQTempDestination) destination; 049 050 } 051 052 public void addSubscription(ConnectionContext context, Subscription sub) throws Exception { 053 // Only consumers on the same connection can consume from 054 // the temporary destination 055 // However, we could have failed over - and we do this 056 // check client side anyways .... 057 if (!context.isFaultTolerant() 058 && (!context.isNetworkConnection() && !tempDest 059 .getConnectionId().equals( 060 sub.getConsumerInfo().getConsumerId() 061 .getConnectionId()))) { 062 063 tempDest.setConnectionId(sub.getConsumerInfo().getConsumerId().getConnectionId()); 064 if (LOG.isDebugEnabled()) { 065 LOG.debug(" changed ownership of " + this + " to "+ tempDest.getConnectionId()); 066 } 067 } 068 super.addSubscription(context, sub); 069 } 070 071 public void initialize() { 072 } 073}