Examples of org.apache.myfaces.orchestra.conversation.ConversationManager

Package org.apache.myfaces.orchestra.conversation

Examples of org.apache.myfaces.orchestra.conversation.ConversationManager

org.apache.myfaces.orchestra.conversation.ConversationManager
Deals with the various conversation contexts in the current session.
A new conversation context will be created if the servlet request did not specify an existing conversation context id.
At the current time, this object does not serialize well. Any attempt to serialize this object (including any serialization of the user session) will just cause it to be discarded.
TODO: fix serialization issues.

        {
            // Note that ConversationManager.getInstance requires the FrameworkAdapter
            // to be initialised...
            //
            // ?? Why is false passed here ??
            ConversationManager manager = ConversationManager.getInstance(false);
            if (manager != null)
            {
                context = manager.getCurrentConversationContext();
                if (context != null)
                {
                    try
                    {
                        context.lockInterruptablyForCurrentThread();

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    /**
     * end and restart a conversation
     */
    public static void endAndRestartConversation(FacesContext context, String conversationName, Boolean restart, MethodBinding restartAction)
    {
        ConversationManager conversationManager = ConversationManager.getInstance();
        Conversation conversation = conversationManager.getConversation(conversationName);
        if (conversation != null)
        {
            conversation.invalidate();
        }

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     * <p>
     * TODO: what does Spring use this for????
     */
    public String getConversationId()
    {
        ConversationManager manager = ConversationManager.getInstance();
        if (manager.hasConversationContext())
        {
            return Long.toString(manager.getConversationContextId().longValue(), 10);
        }


        return null;
    }

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    {
        if (log.isDebugEnabled())
        {
            log.debug("getRealBean called for bean " + beanName);
        }
        ConversationManager manager = ConversationManager.getInstance();
        Conversation conversation;


        // check if we have a conversation
        synchronized(manager)
        {
            conversation = manager.getConversation(conversationName);
            if (conversation == null)
            {
                // Start the conversation. This eventually results in a
                // callback to the createConversation method on this class.
                conversation = manager.startConversation(conversationName, this);
            }
            else
            {
                // sanity check: verify that two beans with the different scopes
                // do not declare the same conversationName.

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     * Get the conversation for the given beanName.
     * Returns null if the conversation does not exist.
     */
    protected Conversation getConversationForBean(String beanDefName)
    {
        ConversationManager manager = ConversationManager.getInstance();
        String conversationName = getConversationNameForBean(beanDefName);
        Conversation conversation = manager.getConversation(conversationName);
        return conversation;
    }

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            // currently encoded into each url (see ConversationRequestParameterProvider).
            // So avoiding creating it here is probably not very important..
            //
            // Note that ConversationManager.getInstance requires the FrameworkAdapter
            // to be initialized. 
            ConversationManager manager = ConversationManager.getInstance(false);
            if (manager != null)
            {
                // Fetch a context for this request if one already exists, and lock it
                // so that concurrent requests that affect this context block until
                // this request is complete. Not doing so can cause races for resources
                // within the current context, such as beans or PersistenceContexts.
                //
                // But if the request did not explicitly specify a contextId then we
                // do NOT create a new context at this point. Doing so would create
                // contexts for things like Weblet resource requests, and that context
                // would then just hang around unused until it times out! 
                //
                // Note that a request that does not explicitly specify a contextId
                // might have one created for it later in the request, eg when an
                // orchestra-scoped bean is accessed. However this is not a race
                // condition because nothing else can refer to that newly created
                // id until the response for this request has been sent back to the
                // client browser.
                context = manager.getCurrentRootConversationContext();
                if (context != null)
                {
                    try
                    {
                        if (log.isDebugEnabled())

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    public void attributeAdded(HttpSessionBindingEvent event)
    {
        // Somebody has called session.setAttribute
        if (event.getValue() instanceof ConversationManager)
        {
            ConversationManager cm = (ConversationManager) event.getValue();
            conversationWiperThread.addConversationManager(cm);
        }
    }

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        // however that at that time the session is invalid so in some containers certain methods
        // (including getId and getAttribute) throw IllegalStateException.
        if (event.getValue() instanceof ConversationManager)
        {
            log.debug("A ConversationManager instance has been removed from a session");
            ConversationManager cm = (ConversationManager) event.getValue();
            removeAndInvalidateConversationManager(cm);
        }
    }

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    {
        // Note that this method is called *after* the attribute has been replaced,
        // and that event.getValue contains the old object.
        if (event.getValue() instanceof ConversationManager)
        {
            ConversationManager oldConversationManager = (ConversationManager) event.getValue();
            removeAndInvalidateConversationManager(oldConversationManager);
        }


        // The new object is already in the session and can be retrieved from there
        HttpSession session = event.getSession();
        String attrName = event.getName();
        Object newObj = session.getAttribute(attrName);
        if (newObj instanceof ConversationManager)
        {
            ConversationManager newConversationManager = (ConversationManager) newObj;
            conversationWiperThread.addConversationManager(newConversationManager);
        }
    }

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                // Hmm..actually, we should make sure the wiper thread never cleans up anything
                // associated with a session that is currently in use by a request. That should
                // then be sufficient, as the timeouts will only apply after the end of the
                // request that caused this activation to occur by which time any relevant
                // timestamps have been restored.
                ConversationManager cm = (ConversationManager) val;
                conversationWiperThread.addConversationManager(cm);
            }
        }
    }

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