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  1. #1
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    Default [FIXED] Dispatcher fix for concurrent access error add new controller

    [FIXED] Dispatcher fix for concurrent access error add new controller


    Iterating over a "copy" of the controller list should eliminate concurrent access errors that occur when trying to add a controller in the middle of an event being dispatched.

    This is the same technique that is used in BaseObservable


    Code:
      private void dispatch(AppEvent event, boolean createhistory) {
        MvcEvent e = new MvcEvent(this, event);
        e.setAppEvent(event);
        if (fireEvent(BeforeDispatch, e)) {
          List<Controllers> copy = new ArrayList<Controllers>(controllers); 
          for (Controller controller : copy) {
            if (controller.canHandle(event)) {
              if (!controller.initialized) {
                controller.initialized = true;
                controller.initialize();
              }
              controller.handleEvent(event);
            }
          }
          fireEvent(AfterDispatch, e);
        }
        if (createhistory && event.isHistoryEvent()) {
          String token = event.getToken();
          if (token == null) {
            token = "" + new Date().getTime();
          }
          history.put(token, event);
          History.newItem(token, false);
        }
      }
    
    }

  2. #2
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    Default


    Fixed in SVN

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