mirror of https://github.com/apache/activemq.git
AMQ-4571: JUnit test added
git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1489823 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Torsten Mielke
parent
368dc8f26a
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6e57f3a346
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/**
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.activemq.broker.virtual;
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import java.io.IOException;
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import java.net.URI;
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import javax.jms.Connection;
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import javax.jms.Session;
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import javax.jms.Topic;
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import javax.jms.TopicSubscriber;
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import javax.management.InstanceNotFoundException;
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import javax.management.MBeanServerConnection;
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import javax.management.ObjectInstance;
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import javax.management.ObjectName;
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import javax.management.remote.JMXConnector;
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import javax.management.remote.JMXConnectorFactory;
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import javax.management.remote.JMXServiceURL;
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import org.apache.activemq.EmbeddedBrokerTestSupport;
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import org.apache.activemq.broker.Broker;
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import org.apache.activemq.broker.BrokerService;
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import org.apache.activemq.broker.ConnectionContext;
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import org.apache.activemq.broker.ProducerBrokerExchange;
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import org.apache.activemq.broker.region.Destination;
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import org.apache.activemq.broker.region.DestinationFilter;
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import org.apache.activemq.broker.region.DestinationInterceptor;
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import org.apache.activemq.command.ActiveMQDestination;
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import org.apache.activemq.command.Message;
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import org.apache.activemq.xbean.XBeanBrokerFactory;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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/**
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* Test for AMQ-4571.
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* checks that durable subscription is fully unregistered
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* when using nested destination interceptors.
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*/
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public class DestinationInterceptorDurableSubTest extends EmbeddedBrokerTestSupport {
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private static final transient Logger LOG = LoggerFactory.getLogger(DestinationInterceptorDurableSubTest.class);
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private MBeanServerConnection mbsc = null;
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public static final String JMX_CONTEXT_BASE_NAME = "org.apache.activemq:type=Broker,brokerName=localhost,destinationType=Topic,destinationName=";
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/**
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* Tests AMQ-4571.
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* @throws Exception
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*/
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public void testVirtualTopicRemoval() throws Exception {
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LOG.debug("Running testVirtualTopicRemoval()");
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String clientId1 = "myId1";
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String clientId2 = "myId2";
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Connection conn = null;
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Session session = null;
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try {
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assertTrue(broker.isStarted());
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// create durable sub 1
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conn = createConnection();
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conn.setClientID(clientId1);
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conn.start();
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session = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
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// Topic topic = session.createTopic(destination.getPhysicalName());
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TopicSubscriber sub1 = session.createDurableSubscriber((Topic) destination, clientId1);
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// create durable sub 2
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TopicSubscriber sub2 = session.createDurableSubscriber((Topic) destination, clientId2);
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// verify two subs registered in JMX
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assertSubscriptionCount(destination.getPhysicalName(), 2);
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assertTrue(isSubRegisteredInJmx(destination.getPhysicalName(), clientId1));
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assertTrue(isSubRegisteredInJmx(destination.getPhysicalName(), clientId2));
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// delete sub 1
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sub1.close();
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session.unsubscribe(clientId1);
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// verify only one sub registered in JMX
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assertSubscriptionCount(destination.getPhysicalName(), 1);
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assertFalse(isSubRegisteredInJmx(destination.getPhysicalName(), clientId1));
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assertTrue(isSubRegisteredInJmx(destination.getPhysicalName(), clientId2));
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// delete sub 2
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sub2.close();
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session.unsubscribe(clientId2);
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// verify no sub registered in JMX
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assertSubscriptionCount(destination.getPhysicalName(), 0);
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assertFalse(isSubRegisteredInJmx(destination.getPhysicalName(), clientId1));
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assertFalse(isSubRegisteredInJmx(destination.getPhysicalName(), clientId2));
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} finally {
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session.close();
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conn.close();
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}
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}
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/**
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* Connects to broker using JMX
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* @return The JMX connection
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* @throws IOException in case of any errors
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*/
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protected MBeanServerConnection connectJMXBroker() throws IOException {
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// connect to broker via JMX
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JMXServiceURL url = new JMXServiceURL("service:jmx:rmi:///jndi/rmi://:1299/jmxrmi");
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JMXConnector jmxc = JMXConnectorFactory.connect(url, null);
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MBeanServerConnection mbsc = jmxc.getMBeanServerConnection();
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LOG.debug("JMX connection established");
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return mbsc;
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}
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/**
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* Asserts that the Subscriptions JMX attribute of a topic has the expected
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* count.
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* @param topicName name of the topic destination
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* @param expectedCount expected number of subscriptions
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* @return
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*/
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protected boolean assertSubscriptionCount(String topicName, int expectedCount) {
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try {
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if (mbsc == null) {
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mbsc = connectJMXBroker();
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}
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// query broker queue size
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ObjectName[] tmp = (ObjectName[])mbsc.getAttribute(new ObjectName(JMX_CONTEXT_BASE_NAME + topicName), "Subscriptions");
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assertEquals(expectedCount, tmp.length);
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} catch (Exception ex) {
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LOG.error(ex.getMessage());
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return false;
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}
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return true;
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}
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/**
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* Checks if a subscriptions for topic topicName with subName is registered in JMX
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*
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* @param topicName physical name of topic destination (excluding prefix 'topic://')
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* @param subName name of the durable subscription
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* @return true if registered, false otherwise
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*/
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protected boolean isSubRegisteredInJmx(String topicName, String subName) {
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try {
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if (mbsc == null) {
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mbsc = connectJMXBroker();
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}
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// A durable sub is registered under the Subscriptions JMX attribute of the topic and
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// as its own ObjectInstance under the topic's Consumer namespace.
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// AMQ-4571 only removed the latter not the former on unsubscribe(), so we need
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// to check against both.
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ObjectName[] names = (ObjectName[])mbsc.getAttribute(new ObjectName(JMX_CONTEXT_BASE_NAME + topicName), "Subscriptions");
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ObjectInstance instance = (ObjectInstance)mbsc.getObjectInstance(
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new ObjectName(JMX_CONTEXT_BASE_NAME +
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topicName +
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",endpoint=Consumer,clientId=myId1,consumerId=Durable(myId1_" +
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subName +
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")")
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);
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if (instance == null)
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return false;
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for (int i=0; i < names.length; i++) {
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if (names[i].toString().contains(subName))
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return true;
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}
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} catch (InstanceNotFoundException ine) {
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//this may be expected so log at info level
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LOG.info(ine.toString());
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return false;
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}
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catch (Exception ex) {
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LOG.error(ex.toString());
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return false;
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}
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return false;
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}
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protected void tearDown() throws Exception {
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super.tearDown();
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}
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protected BrokerService createBroker() throws Exception {
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XBeanBrokerFactory factory = new XBeanBrokerFactory();
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BrokerService answer = factory.createBroker(new URI(getBrokerConfigUri()));
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// lets disable persistence as we are a test
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answer.setPersistent(false);
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useTopic = true;
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return answer;
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}
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protected String getBrokerConfigUri() {
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return "org/apache/activemq/broker/virtual/virtual-topics-and-interceptor.xml";
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}
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/**
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* Simple but custom topic interceptor.
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* To be used for testing nested interceptors in conjunction with
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* virtual topic interceptor.
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*/
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public static class SimpleDestinationInterceptor implements DestinationInterceptor {
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private final Logger LOG = LoggerFactory.getLogger(SimpleDestinationInterceptor.class);
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private BrokerService broker;
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public SimpleDestinationInterceptor() {
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}
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/* (non-Javadoc)
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* @see org.apache.activemq.broker.BrokerServiceAware#setBrokerService(org.apache.activemq.broker.BrokerService)
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*/
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public void setBrokerService(BrokerService brokerService) {
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LOG.info("setBrokerService()");
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this.broker = brokerService;
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}
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/* (non-Javadoc)
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* @see org.apache.activemq.broker.region.DestinationInterceptor#intercept(org.apache.activemq.broker.region.Destination)
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*/
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public Destination intercept(final Destination destination) {
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LOG.info("intercept({})", destination.getName());
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if (!destination.getActiveMQDestination().getPhysicalName().startsWith("ActiveMQ")) {
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return new DestinationFilter(destination) {
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public void send(ProducerBrokerExchange context, Message message) throws Exception {
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// Send message to Destination
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if (LOG.isDebugEnabled()) {
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LOG.debug("SimpleDestinationInterceptor: Sending message to destination:"
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+ this.getActiveMQDestination().getPhysicalName());
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}
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// message.setDestination(destination.getActiveMQDestination());
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super.send(context, message);
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}
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};
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}
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return destination;
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}
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/* (non-Javadoc)
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* @see org.apache.activemq.broker.region.DestinationInterceptor#remove(org.apache.activemq.broker.region.Destination)
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*/
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public void remove(Destination destination) {
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LOG.info("remove({})", destination.getName());
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this.broker = null;
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}
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/* (non-Javadoc)
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* @see org.apache.activemq.broker.region.DestinationInterceptor#create(org.apache.activemq.broker.Broker, org.apache.activemq.broker.ConnectionContext, org.apache.activemq.command.ActiveMQDestination)
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*/
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public void create(Broker broker, ConnectionContext context, ActiveMQDestination destination) throws Exception {
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LOG.info("create("+ broker.getBrokerName() + ", " + context.toString() + ", " + destination.getPhysicalName());
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}
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}
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}
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