/**
   * We get PreDestroyViewMapEvent events from the JSF servlet and destroy our contextual instances.
   * This should (theoretically!) also get fired if the webapp closes, so there should be no need to
   * manually track all view scopes and destroy them at a shutdown.
   *
   * @see javax.faces.event.SystemEventListener#processEvent(javax.faces.event.SystemEvent)
   */
  @Override
  public void processEvent(final SystemEvent event) {
    if (event instanceof PreDestroyViewMapEvent) {
      Map<Contextual<?>, Object> componentInstanceMap = getComponentInstanceMap();
      Map<Contextual<?>, CreationalContext<?>> creationalContextMap = getCreationalInstanceMap();

      if (componentInstanceMap != null) {
        for (Map.Entry<Contextual<?>, Object> componentEntry : componentInstanceMap.entrySet()) {
          /*
           * No way to inform the compiler of type <T> information, so
           * it has to be abandoned here :(
           */
          Contextual contextual = componentEntry.getKey();
          Object instance = componentEntry.getValue();
          CreationalContext creational = creationalContextMap.get(contextual);

          contextual.destroy(instance, creational);
        }
      }
    }
  }
Esempio n. 2
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  /**
   * Destroy the view scoped beans for the given view and context map.
   *
   * @param viewMap the view map.
   * @param contextMap the context map.
   */
  private void destroyBeans(
      Map<String, Object> viewMap, Map<String, ViewScopeContextObject> contextMap) {
    ArrayList<String> removalNameList = new ArrayList<String>();

    if (contextMap != null) {
      for (Map.Entry<String, ViewScopeContextObject> entry : contextMap.entrySet()) {
        String passivationCapableId = entry.getKey();
        Contextual contextual = beanManager.getPassivationCapableBean(passivationCapableId);

        ViewScopeContextObject contextObject = entry.getValue();
        CreationalContext creationalContext = beanManager.createCreationalContext(contextual);
        // We can no longer get this from the contextObject. Instead we must call
        // beanManager.createCreationalContext(contextual)
        contextual.destroy(viewMap.get(contextObject.getName()), creationalContext);
        removalNameList.add(contextObject.getName());
      }

      Iterator<String> removalNames = removalNameList.iterator();
      while (removalNames.hasNext()) {
        String name = removalNames.next();
        viewMap.remove(name);
      }
    }
  }
Esempio n. 3
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 public static void destroyBean(
     Contextual bean, ContextualInstanceInfo<?> contextualInstanceInfo) {
   bean.destroy(
       contextualInstanceInfo.getContextualInstance(),
       contextualInstanceInfo.getCreationalContext());
 }