001 /** 002 * 003 * Copyright 2004 Protique Ltd 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * 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 * 017 **/ 018 019 package org.activemq.service.boundedvm; 020 021 022 import javax.jms.DeliveryMode; 023 import javax.jms.JMSException; 024 import org.activemq.filter.Filter; 025 import org.activemq.message.ActiveMQMessage; 026 import org.activemq.message.ConsumerInfo; 027 import org.activemq.broker.BrokerClient; 028 029 /** 030 * A holder for Transient Topic consumer info and message routing 031 * 032 * @version $Revision: 1.1.1.1 $ 033 */ 034 public class TransientTopicSubscription extends TransientSubscription{ 035 036 037 /** 038 * Construct the TransientTopicSubscription 039 * @param filter 040 * @param info 041 */ 042 public TransientTopicSubscription(Filter filter, ConsumerInfo info, BrokerClient client) { 043 super(filter, info, client); 044 } 045 046 047 /** 048 * determines if the Subscription is interested in the message 049 * 050 * @param message 051 * @return true if this Subscription will accept the message 052 * @throws JMSException 053 */ 054 public boolean isTarget(ActiveMQMessage message) throws JMSException { 055 boolean result = false; 056 if (message != null) { 057 //make sure we don't loop messages around the cluster 058 if (!client.isClusteredConnection() || !message.isEntryCluster(clusterName) 059 || message.isEntryBroker(brokerName)) { 060 result = filter.matches(message); 061 //if we are durable, check we only send non-persistent messages 062 if (result && consumerInfo.isDurableTopic()) { 063 result = message.getJMSDeliveryMode() == DeliveryMode.NON_PERSISTENT; 064 } 065 } 066 } 067 return result; 068 } 069 070 public boolean isDurableTopic() { 071 return consumerInfo.isDurableTopic(); 072 } 073 }