Examples of org.directwebremoting.Hub

org.directwebremoting.Hub
A server-side hub that can publish data across reverse ajax and sync with a number of other hubs, including: JMS, the OpenAjax Alliance hub, and potentially others. @author Joe Walker [joe at getahead dot ltd dot uk]

     */
    public void publish(String topic, RealRawData data)
    {
        WebContext webContext = WebContextFactory.get();
        ConverterManager converterManager = webContext.getContainer().getBean(ConverterManager.class);
        Hub hub = HubFactory.get();


        MessageEvent event = new DefaultMessageEvent(hub, converterManager, data);
        hub.publish(topic, event);
    }

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     */
    @SuppressWarnings("unchecked")
    public void subscribe(String topic, String subscriptionId)
    {
        WebContext webContext = WebContextFactory.get();
        Hub hub = HubFactory.get();
        final ScriptSession session = webContext.getScriptSession();


        // Create a subscription block
        BrowserMessageListener subscription = new BrowserMessageListener(session, topic, subscriptionId);


        Map<String, BrowserMessageListener> subscriptions = (Map<String, BrowserMessageListener>) session.getAttribute(ATTRIBUTE_SUBSCRIPTIONS);
        if (subscriptions == null)
        {
            subscriptions = new HashMap<String, BrowserMessageListener>();
        }
        subscriptions.put(subscriptionId, subscription);
        session.setAttribute(ATTRIBUTE_SUBSCRIPTIONS, subscriptions);


        hub.subscribe(subscription.topic, subscription);
    }

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     */
    @SuppressWarnings("unchecked")
    public boolean unsubscribe(String subscriptionId)
    {
        WebContext webContext = WebContextFactory.get();
        Hub hub = HubFactory.get();
        ScriptSession session = webContext.getScriptSession();


        Map<String, BrowserMessageListener> subscriptions = (Map<String, BrowserMessageListener>) session.getAttribute(ATTRIBUTE_SUBSCRIPTIONS);
        BrowserMessageListener subscription = subscriptions.get(subscriptionId);


        return hub.unsubscribe(subscription.topic, subscription);
    }

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Related Classes of org.directwebremoting.Hub

org.directwebremoting.export.System

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