| /** |
| * 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.activemq.spring; |
| |
| import javax.jms.Connection; |
| import javax.jms.ConnectionFactory; |
| import javax.jms.Destination; |
| import javax.jms.JMSException; |
| import javax.jms.Message; |
| import javax.jms.MessageConsumer; |
| import javax.jms.MessageListener; |
| import javax.jms.Session; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.springframework.jms.core.JmsTemplate; |
| |
| public class SpringConsumer extends ConsumerBean implements MessageListener { |
| private static final Logger LOG = LoggerFactory.getLogger(SpringConsumer.class); |
| private JmsTemplate template; |
| private String myId = "foo"; |
| private Destination destination; |
| private Connection connection; |
| private Session session; |
| private MessageConsumer consumer; |
| |
| public void start() throws JMSException { |
| String selector = "next = '" + myId + "'"; |
| |
| try { |
| ConnectionFactory factory = template.getConnectionFactory(); |
| connection = factory.createConnection(); |
| |
| // we might be a reusable connection in spring |
| // so lets only set the client ID once if its not set |
| synchronized (connection) { |
| if (connection.getClientID() == null) { |
| connection.setClientID(myId); |
| } |
| } |
| |
| connection.start(); |
| |
| session = connection.createSession(true, Session.CLIENT_ACKNOWLEDGE); |
| consumer = session.createConsumer(destination, selector, false); |
| consumer.setMessageListener(this); |
| } catch (JMSException ex) { |
| LOG.error("", ex); |
| throw ex; |
| } |
| } |
| |
| public void stop() throws JMSException { |
| if (consumer != null) { |
| consumer.close(); |
| } |
| if (session != null) { |
| session.close(); |
| } |
| if (connection != null) { |
| connection.close(); |
| } |
| } |
| |
| public void onMessage(Message message) { |
| super.onMessage(message); |
| try { |
| message.acknowledge(); |
| } catch (JMSException e) { |
| LOG.error("Failed to acknowledge: " + e, e); |
| } |
| } |
| |
| // Properties |
| // ------------------------------------------------------------------------- |
| public Destination getDestination() { |
| return destination; |
| } |
| |
| public void setDestination(Destination destination) { |
| this.destination = destination; |
| } |
| |
| public String getMyId() { |
| return myId; |
| } |
| |
| public void setMyId(String myId) { |
| this.myId = myId; |
| } |
| |
| public JmsTemplate getTemplate() { |
| return template; |
| } |
| |
| public void setTemplate(JmsTemplate template) { |
| this.template = template; |
| } |
| } |