Examples of org.zkoss.zk.ui.event.EventThreadResume

org.zkoss.zk.ui.event.EventThreadResume

Used to listen after the event processing thread is resumed.

How this interface is used.

First, you specify a class that implements this interface in WEB-INF/zk.xml as a listener.
Then, when a suspended event thread is being resumed, an instance of the specified class is constructed and {@link #beforeResume} is called first in the main thread (i.e., the servletthread), right before resuming. And then, {@link #afterResume} is invoked in the event processing thread,after the thread is resumed.

In addition to resuming normally, a suspended event thread might be aborted (usually caused by detroying the desktop owning the event thread). In this case, {@link #abortResume} is called instead of {@link #beforeResume}and {@link #afterResume}. @author tomyeh


    final List resumes = new LinkedList();
    for (int j = 0; j < ary.length; ++j) {
      final Class klass = (Class)ary[j];
      try {
        final EventThreadResume resume =
          (EventThreadResume)klass.newInstance();
        resume.beforeResume(comp, evt);
        resumes.add(resume);
      } catch (Throwable ex) {
        throw UiException.Aide.wrap(ex);
        //Don't intercept; to prevent the event being resumed
      }

  public void invokeEventThreadResumes(List resumes, Component comp, Event evt)
  throws UiException {
    if (resumes == null || resumes.isEmpty()) return;


    for (Iterator it = resumes.iterator(); it.hasNext();) {
      final EventThreadResume fn = (EventThreadResume)it.next();
      try {
        fn.afterResume(comp, evt);
      } catch (Throwable ex) {
        throw UiException.Aide.wrap(ex);
      }
    }
  }

Examples of org.zkoss.zk.ui.event.EventThreadResume

Related Classes of org.zkoss.zk.ui.event.EventThreadResume