| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.uima.adapter.jms.activemq; |
| |
| import javax.jms.Destination; |
| import javax.jms.JMSException; |
| import javax.jms.Session; |
| |
| import org.apache.activemq.ActiveMQConnectionFactory; |
| import org.springframework.jms.support.destination.DestinationResolver; |
| |
| public class TempDestinationResolver implements DestinationResolver { |
| private UimaDefaultMessageListenerContainer listener; |
| |
| private Destination destination = null; |
| |
| private Object mutex = new Object(); |
| |
| /** |
| * This method is called by the Spring listener code. It creates a single temp queue for all |
| * listener instances. If the Spring listener is configured with more than one concurrentConsumer, |
| * this method will be called more than once. The temp queue is created only once and cached on |
| * the first call. Subsequent requests receive the same queue. |
| */ |
| public Destination resolveDestinationName(Session session, String destinationName, |
| boolean pubSubDomain) throws JMSException { |
| |
| synchronized (mutex) { |
| if (destination == null) { |
| destination = session.createTemporaryQueue(); |
| if (listener != null) { |
| listener.setDestination(destination); |
| } |
| } |
| } |
| return destination; |
| } |
| |
| public void setListener(UimaDefaultMessageListenerContainer aListener) { |
| listener = aListener; |
| } |
| |
| /** |
| * called from Spring during initialization |
| * |
| * @param aFactory |
| */ |
| public void setConnectionFactory(ActiveMQConnectionFactory aFactory) { |
| } |
| } |