Examples of org.apache.activemq.ActiveMQPrefetchPolicy

org.apache.activemq.ActiveMQPrefetchPolicy
Defines the prefetch message policies for different types of consumers @org.apache.xbean.XBean element="prefetchPolicy" @version $Revision: 1.3 $


    return sharedConnection;
  }


  private void addPrefetch(ActiveMQConnection aConnection) {
    ActiveMQPrefetchPolicy prefetchPolicy = new ActiveMQPrefetchPolicy();
    prefetchPolicy.setQueuePrefetch(5);
    ((ActiveMQConnection) aConnection).setPrefetchPolicy(prefetchPolicy);
  }

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     * Returns the prefetch policy; not using bean properties to avoid
     * breaking compatibility with JCA configuration in J2EE
     */
    public ActiveMQPrefetchPolicy prefetchPolicy() {
        if (prefetchPolicy == null) {
            prefetchPolicy = new ActiveMQPrefetchPolicy();
        }
        return prefetchPolicy;
    }

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    }
    return factory;
  }


  private ActiveMQPrefetchPolicy getPrefetchPolicy(int aPrefetchSize) {
    ActiveMQPrefetchPolicy prefetchPolicy = new ActiveMQPrefetchPolicy();
    prefetchPolicy.setQueuePrefetch(aPrefetchSize);
    return prefetchPolicy;
  }

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    // notifications.
    if (cntlr.isCasMultiplier()) {


      ActiveMQConnectionFactory cf = getNewConnectionFactory(ctx); // getTopLevelQueueConnectionFactory(
                                                                   // ctx );
      ActiveMQPrefetchPolicy prefetchPolicy = getPrefetchPolicy(MAX_PREFETCH_FOR_CAS_NOTIFICATION_Q);
      cf.setPrefetchPolicy(prefetchPolicy);
      // Create a listener and a temp queue for Free CAS notifications.
      UimaDefaultMessageListenerContainer connector = produceListenerConnector(cf,cntlr);
      // Direct all messages to the InputChannel
      //connector.setMessageListener(((JmsInputChannel) cntlr.getInputChannel()));

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    private ActiveMQConnectionFactory createActiveMqConnectionFactory() throws Exception {
        ActiveMQConnectionFactory activeMqConnectionFactory = new ActiveMQConnectionFactory(
                "failover:" + service.getTransportConnectors().get(0).getConnectUri().toString());
        activeMqConnectionFactory.setWatchTopicAdvisories(false);
        ActiveMQPrefetchPolicy prefetchPolicy = new ActiveMQPrefetchPolicy();
        prefetchPolicy.setDurableTopicPrefetch(2);
        prefetchPolicy.setOptimizeDurableTopicPrefetch(2);
        activeMqConnectionFactory.setPrefetchPolicy(prefetchPolicy);
        activeMqConnectionFactory.setClientID(CLIENT_ID);
        return activeMqConnectionFactory;
    }

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        ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(connectionUri);


        // ensure more than on message can be pending when full
        factory.setProducerWindowSize(48*1024);
        // ensure messages are spooled to disk for this consumer
        ActiveMQPrefetchPolicy prefetch = new ActiveMQPrefetchPolicy();
        prefetch.setTopicPrefetch(10);
        factory.setPrefetchPolicy(prefetch);
        Connection consumerConnection = factory.createConnection();
        consumerConnection.start();


        Session consumerSession = consumerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);

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        ActiveMQConnectionFactory factoryB;
        factoryA = (ActiveMQConnectionFactory)getConnectionFactory("BrokerA");
        factoryB = (ActiveMQConnectionFactory)getConnectionFactory("BrokerB");


        // Set prefetch policy
        ActiveMQPrefetchPolicy policy = new ActiveMQPrefetchPolicy();
        policy.setAll(PREFETCH_COUNT);


        factoryA.setPrefetchPolicy(policy);
        factoryB.setPrefetchPolicy(policy);


        msgsClient1 = 0;

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        ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(connectionUri);
        factory.setAlwaysSyncSend(true);


        // ensure messages are spooled to disk for this consumer
        ActiveMQPrefetchPolicy prefetch = new ActiveMQPrefetchPolicy();
        prefetch.setTopicPrefetch(500);
        factory.setPrefetchPolicy(prefetch);
        final Connection connection = factory.createConnection();
        connection.start();


        Thread producingThread = new Thread("Producing thread") {

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    @Override
    protected ActiveMQConnectionFactory createConnectionFactory() throws Exception {
        ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(
            broker.getTransportConnectors().get(0).getPublishableConnectString());
        ActiveMQPrefetchPolicy prefetchPolicy = new ActiveMQPrefetchPolicy();
        prefetchPolicy.setAll(1);
        factory.setPrefetchPolicy(prefetchPolicy);


        factory.setDispatchAsync(true);
        return factory;
    }

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        Topic advisoryTopic = AdvisorySupport.getMessageDiscardedAdvisoryTopic((ActiveMQDestination) topic);
        MessageConsumer advisoryConsumer = s.createConsumer(advisoryTopic);
        //start throwing messages at the consumer
        MessageProducer producer = s.createProducer(topic);
        int count = (new ActiveMQPrefetchPolicy().getTopicPrefetch() * 2);
        for (int i = 0; i < count; i++) {
            BytesMessage m = s.createBytesMessage();
            producer.send(m);
        }

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org.apache.activemq.advisory.AdvisoryTests

org.apache.activemq.broker.policy.AbortSlowConsumer0Test

org.apache.activemq.bugs.AMQ2314Test

org.apache.activemq.bugs.AMQ2580Test

org.apache.activemq.bugs.AMQ4083Test

org.apache.activemq.bugs.AMQ4221Test

org.apache.activemq.bugs.MemoryUsageBlockResumeTest

org.apache.activemq.bugs.QueueWorkerPrefetchTest

org.apache.activemq.bugs.TempStorageBlockedBrokerTest

org.apache.activemq.network.NetworkBrokerDetachTest

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