Examples of org.richfaces.application.push.Topic

org.richfaces.application.push.Topic

Topic encapsulates particular endpoint for sending/receiving messages.

It is associated with TopicKey and in current implementation several Topic instances can be associated with the particular JMS Topic.

Topic holds collection of TopicListener and one MessageDataSerializer.
@author Nick Belaevski

    @Override
    public synchronized void destroy() {
        active = false;


        for (TopicKey key : successfulSubscriptions) {
            Topic topic = topicsContext.getTopic(key);
            topic.publishEvent(new SessionUnsubscriptionEvent(topic, key, this));
        }


        try {
            disconnect();
        } catch (Exception e) {

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        createSubscriptions(topicKeys);
    }


    private void createSubscriptions(Iterable<TopicKey> topicKeys) {
        for (TopicKey topicKey : topicKeys) {
            Topic pushTopic = topicsContext.getOrCreateTopic(topicKey);


            String errorMessage = null;


            if (pushTopic == null) {
                errorMessage = MessageFormat.format("Topic ''{0}'' is not configured", topicKey.getTopicAddress());
            } else {
                try {
                    // TODO - publish another events
                    pushTopic.checkSubscription(this);
                } catch (SubscriptionFailureException e) {
                    if (e.getMessage() != null) {
                        errorMessage = e.getMessage();
                    } else {
                        errorMessage = MessageFormat.format("Unknown error connecting to ''{0}'' topic",
                                topicKey.getTopicAddress());
                    }
                }
            }


            if (errorMessage != null) {
                failedSubscriptions.put(topicKey, errorMessage);
            } else {
                pushTopic.publishEvent(new SessionSubscriptionEvent(pushTopic, topicKey, this));
                successfulSubscriptions.add(topicKey);
            }
        }
    }

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      e.printStackTrace();
    }
       
        TopicsContext topicsContext = TopicsContext.lookup();
        
        Topic topic = topicsContext.getOrCreateTopic(new TopicKey("inmobles"));
        
        topic.setMessageDataSerializer(DefaultMessageDataSerializer.instance());
        
        topic.addTopicListener(new SessionTopicListener() {
            
            public void processUnsubscriptionEvent(SessionUnsubscriptionEvent event) throws EventAbortedException {
                TopicKey topicKey = event.getTopicKey();
                Session session = event.getSession();
                System.out.println(MessageFormat.format("Session {0} disconnected from {1}", session.getId(), topicKey.getTopicAddress()));

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      e.printStackTrace();
    }
       
        TopicsContext topicsContext = TopicsContext.lookup();
        
        Topic topic = topicsContext.getOrCreateTopic(new TopicKey("inmobles"));
        
        topic.setMessageDataSerializer(DefaultMessageDataSerializer.instance());
        
        topic.addTopicListener(new SessionTopicListener() {
            
            public void processUnsubscriptionEvent(SessionUnsubscriptionEvent event) throws EventAbortedException {
                TopicKey topicKey = event.getTopicKey();
                Session session = event.getSession();
                System.out.println(MessageFormat.format("Session {0} disconnected from {1}", session.getId(), topicKey.getTopicAddress()));

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Related Classes of org.richfaces.application.push.Topic

com.degloba.controladorMSG.TopicsInitializer

com.insacosa.controladorMSG.TopicsInitializer

org.richfaces.application.push.impl.SessionImpl

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