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Diffstat (limited to 'trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/subscriber/MonitoredSubscriber.java')
-rw-r--r-- | trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/subscriber/MonitoredSubscriber.java | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/subscriber/MonitoredSubscriber.java b/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/subscriber/MonitoredSubscriber.java deleted file mode 100644 index d43b823a13..0000000000 --- a/trunk/qpid/java/client/example/src/main/java/org/apache/qpid/example/subscriber/MonitoredSubscriber.java +++ /dev/null @@ -1,139 +0,0 @@ -/* - * 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.qpid.example.subscriber; - -import org.apache.qpid.example.shared.Statics; -import org.slf4j.LoggerFactory; -import org.slf4j.Logger; - -import javax.jms.*; -/** - * Subclass of Subscriber which consumes a heartbeat message - */ - -public class MonitoredSubscriber extends Subscriber -{ - protected String _monitorDestinationName; - - private static final Logger _logger = LoggerFactory.getLogger(MonitoredSubscriber.class); - - private static MessageConsumer _monitorConsumer; - - public MonitoredSubscriber() - { - super(); - //lookup queue name and append suffix - _monitorDestinationName = _destination.toString() + Statics.MONITOR_QUEUE_SUFFIX; - } - - /** - * MessageListener implementation for this subscriber - */ - public static class MonitorMessageListener implements MessageListener - { - private String _name; - - public MonitorMessageListener(String name) - { - _name = name; - - } - - /** - * Listens for heartbeat messages and acknowledges them - * @param message - */ - public void onMessage(javax.jms.Message message) - { - _logger.info(_name + " monitor got message '" + message + "'"); - - try - { - _logger.debug("Monitor acknowledging recieved message"); - - //Now acknowledge the message to clear it from our queue - message.acknowledge(); - } - catch(JMSException j) - { - _logger.error("Monitor caught JMSException trying to acknowledge message receipt"); - j.printStackTrace(); - } - catch(Exception e) - { - _logger.error("Monitor caught unexpected exception trying to handle message"); - e.printStackTrace(); - } - } - } - - /** - * Subscribes to Queue and attaches additional monitor listener - */ - public void subscribeAndMonitor() - { - try - { - _connection = _connectionFactory.createConnection(); - - //create a transactional session - Session session = _connection.createSession(true, Session.AUTO_ACKNOWLEDGE); - - //Queue is non-exclusive and not deleted when last consumer detaches - Destination destination = session.createQueue(_monitorDestinationName); - - //Create a consumer with a destination of our queue which will use defaults for prefetch etc - _monitorConsumer = session.createConsumer(destination); - - //give the monitor message listener a name of it's own - _monitorConsumer.setMessageListener(new MonitoredSubscriber.MonitorMessageListener - ("MonitorListener " + System.currentTimeMillis())); - - MonitoredSubscriber._logger.info("Starting monitored subscription ..."); - - MonitoredSubscriber._connection.start(); - - //and now start ordinary consumption too - subscribe(); - } - catch (Throwable t) - { - _logger.error("Fatal error: " + t); - t.printStackTrace(); - } - } - - /** - * Stop consuming - */ - public void stopMonitor() - { - try - { - _monitorConsumer.close(); - _monitorConsumer = null; - stop(); - } - catch(JMSException j) - { - _logger.error("JMSException trying to Subscriber.stop: " + j.getStackTrace()); - } - } - -} |