Examples of org.apache.jetspeed.aggregator.RenderingJob

org.apache.jetspeed.aggregator.RenderingJob
Worker thread processes jobs and notify its WorkerMonitor when completed. When no work is available, the worker simply sets itself in a waiting mode pending reactivation by the WorkerMonitor @author David Sean Taylor @version $Id: $

                    Collection jobWorks = Arrays.asList(jobWorksMonitored.values().toArray());
                    
                    for (Iterator it = jobWorks.iterator(); it.hasNext(); )
                    {
                        RenderingJobCommonjWork jobWork = (RenderingJobCommonjWork) it.next();
                        RenderingJob job = jobWork.getRenderingJob();
                        
                        if (job.isTimeout())
                        {
                            timeoutJobWorks.add(jobWork);
                        }
                    }
                    
                    // Now, we can kill the timeout worker(s).
                    for (Iterator it = timeoutJobWorks.iterator(); it.hasNext(); )
                    {
                        RenderingJobCommonjWork jobWork = (RenderingJobCommonjWork) it.next();
                        RenderingJob job = jobWork.getRenderingJob();


                        // If the job is just completed, then do not kill the worker.
                        if (job.isTimeout())
                        {
                            killJobWork(jobWork);
                        }
                    }
                }

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                }
            }
        }
        
        public void killJobWork(RenderingJobCommonjWork jobWork) {
            RenderingJob job = jobWork.getRenderingJob();
            
            try {
                if (log.isWarnEnabled()) {
                    PortletWindow window = job.getWindow();
                    ObjectID windowId = (null != window ? window.getId() : null);
                    log.warn("Portlet Rendering job to be interrupted by timeout (" + job.getTimeout() + "ms): " + windowId);
                }


                PortletContent content = job.getPortletContent();
                Thread worker = (Thread) job.getWorkerAttribute(WORKER_THREAD_ATTR);
                
                if (worker != null)
                {
                    synchronized (content)
                    {
                        if (!content.isComplete()) {
                            worker.interrupt();
                            content.wait();
                        }
                    }
                }
            } catch (Exception e) {
                log.error("Exceptiong during job killing.", e);
            } finally {
                WorkItem workItem = (WorkItem) job.getWorkerAttribute(COMMONJ_WORK_ITEM_ATTR);
                
                if (workItem != null)
                {
                    removeMonitoredJobWork(workItem);
                }

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            {
                dispatcher = createDispatcher(requestContext, fragment, expirationCache);
            }
            servletRequest = requestContext.getRequestForWindow(portletWindow);
            servletResponse = dispatcher.getResponseForWindow(portletWindow, requestContext);
            RenderingJob rJob = 
                buildRenderingJob(portletWindow, fragment, servletRequest, servletResponse,
                                  requestContext, false, portletDefinition, dispatcher, null, 
                                  expirationCache, contentIsCached, timeoutMetadata);
            rJob.execute();
            addTitleToHeader( portletWindow, fragment, servletRequest, servletResponse, dispatcher, contentIsCached);
        }
        catch (PortletAccessDeniedException e)
        {
            fragment.overrideRenderedContent(e.getLocalizedMessage());

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     * 
     * @return the asynchronous portlet rendering job to synchronize
     */
    public RenderingJob render( ContentFragment fragment, RequestContext requestContext )
    {
        RenderingJob job = null;


        try
        {
            job = createRenderingJob(fragment, requestContext);
        }

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     * @throws UnknownPortletDefinitionException
     * @throws PortletAccessDeniedException
     */
    public RenderingJob createRenderingJob(ContentFragment fragment, RequestContext requestContext)
    {
        RenderingJob job = null;
        boolean contentIsCached = false;       
        try
        {
            PortletWindow portletWindow = getPortletWindow(fragment);
            PortletDefinitionComposite portletDefinition =

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                                              ContentDispatcherCtrl dispatcher, 
                                              PortletContent portletContent, 
                                              int expirationCache, boolean contentIsCached, long timeoutMetadata)
             throws PortletAccessDeniedException, FailedToRetrievePortletWindow, PortletEntityNotStoredException
   {    
        RenderingJob rJob = null;
               
        request.setAttribute(PortalReservedParameters.PAGE_ATTRIBUTE, requestContext.getPage());
        request.setAttribute(PortalReservedParameters.FRAGMENT_ATTRIBUTE, fragment);
        request.setAttribute(PortalReservedParameters.CONTENT_DISPATCHER_ATTRIBUTE, dispatcher);
        request.setAttribute(PortalReservedParameters.REQUEST_CONTEXT_ATTRIBUTE, requestContext);

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            ContentDispatcherCtrl dispatcherCtrl = getDispatcherCtrl(requestContext, true);
            dispatcher = getDispatcher(requestContext, true);
            servletRequest = requestContext.getRequestForWindow(portletWindow);
            servletResponse = dispatcherCtrl.getResponseForWindow(portletWindow, requestContext);


            RenderingJob rJob = buildRenderingJob(fragment, servletRequest, servletResponse, requestContext);
            rJob.execute();


        }
        catch (Exception e)
        {
            fragment.overrideRenderedContent(e.toString());

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            ContentDispatcherCtrl dispatcherCtrl = getDispatcherCtrl(requestContext, true);
            
            HttpServletRequest servletRequest = requestContext.getRequestForWindow(portletWindow);
            HttpServletResponse servletResponse = dispatcherCtrl.getResponseForWindow(portletWindow, requestContext);


            RenderingJob rJob = buildRenderingJob(fragment, servletRequest, servletResponse, requestContext);
            rJob.execute();
        }
        catch (Exception e)
        {
            fragment.overrideRenderedContent(e.toString());
            log.error(e.toString(), e);

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        try
        {
            portletWindow = getPortletWindow(fragment);
            servletRequest = requestContext.getRequestForWindow(portletWindow);
            servletResponse = dispatcherCtrl.getResponseForWindow(portletWindow, requestContext);
            RenderingJob rJob = buildRenderingJob(fragment, servletRequest, servletResponse, requestContext);
            workMonitor.process(rJob);            
        }
        catch (Exception e1)
        {
            servletRequest = requestContext.getRequest();

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        synchronized (worker)
        {
            if ((worker.getJobCount()<this.maxJobsPerWorker)&&(queue.size()>0))
            {
                RenderingJob job = (RenderingJob)queue.pop();
                AccessControlContext context = (AccessControlContext)queue.pop();
                worker.setJob(job, context);
                runningJobs--;
                return;
            }

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Related Classes of org.apache.jetspeed.aggregator.RenderingJob

org.apache.jetspeed.aggregator.impl.AsyncPageAggregatorImpl

org.apache.jetspeed.aggregator.impl.CommonjWorkerMonitorImpl

org.apache.jetspeed.aggregator.impl.CommonjWorkerMonitorImpl$CommonjWorkerRenderingJobTimeoutMonitor

org.apache.jetspeed.aggregator.impl.CommonjWorkerMonitorImpl$MonitoringJobCommonjWork

org.apache.jetspeed.aggregator.impl.PortletRendererImpl

org.apache.jetspeed.aggregator.impl.WorkerMonitorImpl

org.apache.jetspeed.aggregator.impl.WorkerMonitorImpl$RenderingJobTimeoutMonitor

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