Examples of WebContinuation

org.apache.cocoon.components.flow.WebContinuation
Representation of continuations in a Web environment.
Because a user may click on the back button of the browser and restart a saved computation in a continuation, each WebContinuation becomes the parent of a subtree of continuations.
If there is no parent WebContinuation, the created continuation becomes the root of a tree of WebContinuations. @author Ovidiu Predescu @since March 19, 2002 @version CVS $Id: WebContinuation.java,v 1.4 2003/03/20 02:46:32 vgritsenko Exp $

Examples of org.apache.cocoon.components.flow.WebContinuation

                                                   int timeToLive)
        throws Exception {
        if (k == null) {
            return null;
        }
        WebContinuation wk;
        ContinuationsManager contMgr;
        contMgr = (ContinuationsManager)
            getServiceManager().lookup(ContinuationsManager.ROLE);
        wk = contMgr.createWebContinuation(unwrap(k),
                                           (parent == null ? null : parent.getWebContinuation()),

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Examples of org.apache.cocoon.components.flow.WebContinuation

        int timeToLive = 0;
        if (args.length > 2) {
            timeToLive =
                (int)org.mozilla.javascript.Context.toNumber(args[2]);
        }
        WebContinuation wk;
        Scriptable scope = getTopLevelScope(c);
        FOM_Cocoon cocoon = (FOM_Cocoon)getProperty(scope, "cocoon");
        ServiceManager componentManager =  cocoon.getServiceManager();
        ContinuationsManager contMgr = (ContinuationsManager)
            componentManager.lookup(ContinuationsManager.ROLE);

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Examples of org.apache.cocoon.components.flow.WebContinuation

    public Continuation jsGet_continuation() {
        return (Continuation)wk.getContinuation();
    }


    public FOM_WebContinuation jsFunction_getParent() {
        WebContinuation parent = wk.getParentContinuation();
        if (parent == null) {
            return null;
        }


        FOM_WebContinuation pwk = new FOM_WebContinuation(parent);

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Examples of org.apache.cocoon.components.flow.WebContinuation

            (NativeArray)org.mozilla.javascript.Context.getCurrentContext().newObject(getParentScope(),
                                                                                      "Array",
                                                                                      new Object[]{new Integer(list.size())});
        Iterator iter = list.iterator();
        for (int i = 0; iter.hasNext(); i++) {
            WebContinuation child = (WebContinuation)iter.next();
            FOM_WebContinuation cwk = new FOM_WebContinuation(child);
            cwk.setParentScope(getParentScope());
            cwk.setPrototype(getClassPrototype(getParentScope(),
                                               cwk.getClassName()));
            arr.put(i, arr, cwk);

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Examples of org.apache.cocoon.components.flow.WebContinuation

    public boolean jsFunction_isBookmark() {
        return isBookmark(wk);
    }


    public FOM_WebContinuation jsGet_previousBookmark() {
        WebContinuation c = wk.getParentContinuation();
        if (c == null) {
            return null;
        }


        // If this is a continuation of sendPageAndWait()
        // and the immediate parent is a bookmark, then
        // it is the bookmark for this page, so skip it.
        if (!isBookmark(wk) && isBookmark(c)) {
            c = c.getParentContinuation();
        }
        while (c != null && !isBookmark(c)) {
            c = c.getParentContinuation();
        }
        if (c == null) {
            return null;
        }

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Examples of org.apache.cocoon.components.flow.WebContinuation




    private FOM_WebContinuation forwardTo(String uri, Object bizData,
                                          Continuation continuation) 
        throws Exception {
        WebContinuation wk = null;
        if (continuation != null) {
            ContinuationsManager contMgr = (ContinuationsManager)
                componentManager.lookup(ContinuationsManager.ROLE);
            wk = lastContinuation = 
                contMgr.createWebContinuation(continuation,

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Examples of org.apache.cocoon.components.flow.WebContinuation

    public FOM_WebContinuation makeWebContinuation(Continuation k,
                                                   FOM_WebContinuation parent,
                                                   int timeToLive) 
        throws Exception {
        if (k == null) return null;
        WebContinuation wk;
        ContinuationsManager contMgr;
        contMgr = (ContinuationsManager)
            componentManager.lookup(ContinuationsManager.ROLE);
        wk = contMgr.createWebContinuation(unwrap(k),
                                           (parent == null ? null : parent.getWebContinuation()),

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Examples of org.apache.cocoon.components.flow.WebContinuation


    public void handleContinuation(String id, List params,
                                   Redirector redirector)
        throws Exception
    {
        WebContinuation wk = continuationsMgr.lookupWebContinuation(id);


        if (wk == null) {


            /*
             * Throw an InvalidContinuationException to be handled inside the
             * <map:handle-errors> sitemap element.
             */
            throw new InvalidContinuationException("The continuation ID " + id + " is invalid.");
        }


        Context context = Context.enter();
        context.setOptimizationLevel(OPTIMIZATION_LEVEL);
        context.setGeneratingDebug(true);
        context.setCompileFunctionsWithDynamicScope(true);


        // Obtain the continuation object from it, and setup the
        // FOM_Cocoon object associated in the dynamic scope of the saved
        // continuation with the environment and context objects.
        Continuation k = (Continuation)wk.getContinuation();
        Scriptable kScope = k.getParentScope();
        synchronized (kScope) {
            AO_FOM_Cocoon cocoon = (AO_FOM_Cocoon)kScope.get("cocoon", kScope);
            cocoon.setup(this, redirector, avalonContext, manager, getLogger());
            if (enableDebugger) {

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Examples of org.apache.cocoon.components.flow.WebContinuation

     * settings in the sitemap.
     */
    public static FormsPipelineConfig createConfig(Map objectModel, Parameters parameters) {
        // create and set the jxpathContext...
        Object flowContext = FlowHelper.getContextObject(objectModel);
        WebContinuation wk = FlowHelper.getWebContinuation(objectModel);
        JXPathContext jxpc = JXPathContext.newContext(flowContext);
        Variables vars = jxpc.getVariables();
        vars.declareVariable("continuation", wk);
        Request request = ObjectModelHelper.getRequest(objectModel);
        vars.declareVariable("request", request);

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Examples of org.apache.cocoon.components.flow.WebContinuation

        context.setServiceManager(manager);
        context.setRedirector(redirector);


        Continuation continuation = new Continuation(context);


        WebContinuation wk =
                continuationsMgr.createWebContinuation(continuation, null, timeToLive, null);
        FlowHelper.setWebContinuation(ContextHelper.getObjectModel(this.avalonContext), wk);


        continuation.registerThread();
        try {

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