Examples of com.sun.sgs.app.AppListener

com.sun.sgs.app.AppListener
Listener for application-level events. This listener is called when the application is started for the first time, and when client sessions log in.
An implementation of a {@code AppListener} should implementthe {@link Serializable} interface, so that application listenerscan be stored persistently. When an application is started for the the first time, its {@link #initialize(java.util.Properties) initialize}method is called and it is then persisted. If a given listener has mutable state that can be changed after this point, it should also implement the {@link ManagedObject}interface. An implementation must be public and non-abstract, and have a public, no-argument constructor.
The methods of this listener are called within the context of a {@link Task} being executed by the {@link TaskManager}. If, during such an execution, a task invokes one of this listener's methods and that method throws an exception, that exception implements {@link ExceptionRetryStatus}, and its {@link ExceptionRetryStatus#shouldRetry shouldRetry} method returns{@code true}, then the {@code TaskManager} will makefurther attempts to retry the task that invoked the listener's method. It will continue those attempts until either an attempt succeeds or it notices an exception is thrown that is not retryable.
For a full description of task execution behavior, see the documentation for {@link TaskManager#scheduleTask(Task)}.

            try {
                // test to see if this name if the listener is already bound...
                dataService.getServiceBinding(StandardProperties.APP_LISTENER);
            } catch (NameNotBoundException nnbe) {
                // ...if it's not, create and then bind the listener
                AppListener listener =
                    (new PropertiesWrapper(properties)).
                    getClassInstanceProperty(StandardProperties.APP_LISTENER,
                                             AppListener.class, new Class[] {});
                if (listener instanceof ManagedObject) {
                    dataService.setServiceBinding(
                            StandardProperties.APP_LISTENER, listener);
                } else {
                    dataService.setServiceBinding(
                            StandardProperties.APP_LISTENER,
                            new ManagedSerializable<AppListener>(listener));
                }


                // since we created the listener, we're the first one to
                // start the app, so we also need to start it up
                listener.initialize(properties);
            }
        }

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   * If {@code loggedIn} throws a retryable {@code
   * RuntimeException}, then that exception is thrown to the
   * caller.
   */
  public void run() {
      AppListener appListener = getAppListener();
      logger.log(
    Level.FINEST,
    "invoking AppListener.loggedIn session:{0}", identity);


      ClientSessionListener returnedListener = null;
      RuntimeException ex = null;


      ClientSessionImpl sessionImpl =
    ClientSessionImpl.getSession(dataService, sessionRefId);
      try {
    returnedListener =
        appListener.loggedIn(sessionImpl.getWrappedClientSession());
      } catch (RuntimeException e) {
    ex = e;
      }
    
      if (returnedListener instanceof Serializable) {

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            try {
                // test to see if this name if the listener is already bound...
                dataService.getServiceBinding(StandardProperties.APP_LISTENER);
            } catch (NameNotBoundException nnbe) {
                // ...if it's not, create and then bind the listener
                AppListener listener =
                    (new PropertiesWrapper(properties)).
                    getClassInstanceProperty(StandardProperties.APP_LISTENER,
                                             AppListener.class, new Class[] {});
                if (listener instanceof ManagedObject) {
                    dataService.setServiceBinding(
                            StandardProperties.APP_LISTENER, listener);
                } else {
                    dataService.setServiceBinding(
                            StandardProperties.APP_LISTENER,
                            new ManagedSerializable<AppListener>(listener));
                }


                // since we created the listener, we're the first one to
                // start the app, so we also need to start it up
                listener.initialize(properties);
            }
        }

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   * If {@code loggedIn} throws a retryable {@code
   * RuntimeException}, then that exception is thrown to the
   * caller.
   */
  public void run() {
      AppListener appListener = getAppListener();
      logger.log(
    Level.FINEST,
    "invoking AppListener.loggedIn session:{0}", identity);


      ClientSessionListener returnedListener = null;
      RuntimeException ex = null;


      ClientSessionImpl sessionImpl =
    ClientSessionImpl.getSession(dataService, sessionRefId);
      try {
    returnedListener =
        appListener.loggedIn(sessionImpl.getWrappedClientSession());
      } catch (RuntimeException e) {
    ex = e;
      }
    
      if (returnedListener instanceof Serializable) {

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            try {
                // test to see if this name if the listener is already bound...
                dataService.getServiceBinding(StandardProperties.APP_LISTENER);
            } catch (NameNotBoundException nnbe) {
                // ...if it's not, create and then bind the listener
                AppListener listener =
                    (new PropertiesWrapper(properties)).
                    getClassInstanceProperty(StandardProperties.APP_LISTENER,
                                             AppListener.class, new Class[] {});
                if (listener instanceof ManagedObject) {
                    dataService.setServiceBinding(
                            StandardProperties.APP_LISTENER, listener);
                } else {
                    dataService.setServiceBinding(
                            StandardProperties.APP_LISTENER,
                            new ManagedSerializable<AppListener>(listener));
                }


                // since we created the listener, we're the first one to
                // start the app, so we also need to start it up
                listener.initialize(properties);
            }
        }

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   * If {@code loggedIn} throws a retryable {@code
   * RuntimeException}, then that exception is thrown to the
   * caller.
   */
  public void run() {
      AppListener appListener = getAppListener();
      logger.log(
    Level.FINEST,
    "invoking AppListener.loggedIn session:{0}", identity);


      ClientSessionListener returnedListener = null;
      RuntimeException ex = null;


      ClientSessionImpl sessionImpl =
    ClientSessionImpl.getSession(dataService, sessionRefId);
      try {
    returnedListener =
        appListener.loggedIn(sessionImpl.getWrappedClientSession());
      } catch (RuntimeException e) {
    ex = e;
      }
    
      if (returnedListener instanceof Serializable) {

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            try {
                // test to see if this name if the listener is already bound...
                dataService.getServiceBinding(StandardProperties.APP_LISTENER);
            } catch (NameNotBoundException nnbe) {
                // ...if it's not, create and then bind the listener
                AppListener listener =
                    (new PropertiesWrapper(properties)).
                    getClassInstanceProperty(StandardProperties.APP_LISTENER,
                                             AppListener.class, new Class[] {});
                if (listener instanceof ManagedObject) {
                    dataService.setServiceBinding(
                            StandardProperties.APP_LISTENER, listener);
                } else {
                    dataService.setServiceBinding(
                            StandardProperties.APP_LISTENER,
                            new ManagedSerializable<AppListener>(listener));
                }


                // since we created the listener, we're the first one to
                // start the app, so we also need to start it up
                listener.initialize(properties);
            }
        }

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com.sun.sgs.impl.kernel.Kernel$AppStartupRunner

com.sun.sgs.impl.service.session.ClientSessionHandler$LoginTask

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