Executions.activate(Desktop desktop, long timeout) Activates a thread to allow it access the given desktop synchronously, or until a certain amount of time has elapsed. static void: Executions.deactivate(Desktop desktop) Deactivates a thread that has invoked Executions.activate(org.zkoss.zk. ui.Desktop) successfully. static void, Enables or disables the server-push feature. Before using any server-push threads, you have to enable it for the particular desktop first by use of this method. Refer to Executions. activate (org. zkoss .zk.ui. Desktop ) for more details. Default: false, 8/24/2018 · org. zkoss .zk.ui.DesktopUnavailableException: Unable to activate destroyed desktop Posted on Aug 24, 2018 at 08:25 PM | 396 Views Follow, Activates the current thread for accessing this desktop by the server push. It is called by Executions.activate(org.zkoss.zk.ui.Desktop). Don’t call it directly. Like scheduleServerPush(org.zkoss.zk.ui.event.EventListener , T), this method could be called in any thread, so it has to be safe for concurrent access.
Before a thread, not running in the event listener of the given desktop, can access the desktop, you have to activate it first by activate(org.zkoss.zk.ui.Desktop). Once this method returns, the thread is activated and it, like an event listener of the given desktop, can manipulate the desktop directly.
To use server push is simple,and it requires only three steps as follows, Enable server push for the desktop . Invoke Desktop .enableServerPush (boolean bool) to enable server push. Passing components required to be update into the working thread. Invoke the working thread in the desktop .
8/24/2017 · after 1.5 seconds thread T2 is intentionally interrupted while still waiting for desktop activation (because T1 one is blocking the desktop for 2 seconds) -> OK. after interrupting T2, T3 & T4 keep waiting for a Execution. activation forever (10 minutes) and never get notified to continue, blocking the threads. Expected Result, * In a real application the fallback to comet will happen automatically if websockets are not available */ public class ServerPushCtrl extends SelectorComposer { @Override public void doAfterCompose(Component comp) throws Exception { super.doAfterCompose(comp) Desktop desktop = Executions.getCurrent().getDesktop() desktop .enableServerPush(true) DesktopCtrl desktopCtrl = (DesktopCtrl) desktop.
2/5/2012 · Can we create a desktop application using zkoss or vaadin framework ? If so, please explain how can i create it with some examples.
10/23/2017 · The new ZK 8.5 takes the best of ZK 8 and continues to push the innovation envelope. A major improvement on MVVM data binding at the client side enlivened pure HTML content with minimal effort.The Fragment component, in combination with Service workers, allows for caching and managing offline user data and easier Progressive Web Apps (PWAs) building. It also enables more accurate …
