Examples of net.jini.core.event.RemoteEventListener

net.jini.core.event.RemoteEventListener
The RemoteEventListener interface needs to be implemented by any object that wants to receive a notification of a remote event from some other object.
The object implementing this interface does not need to be the object that originally registered interest in the occurrence of an event. To allow the notification of an event's occurrence to be sent to an entity other than the one that made the interest registration, the registration call needs to accept a destination parameter, which indicates the object to which the notification should be sent. This parameter must be an object which supports the RemoteEventListener interface. @author Sun Microsystems, Inc. @since 1.0

      if (!EventType.this.monitor.isCurrent())
    return true;  // lease gone, stop here


      // Local copies of listener and handback so they won't
      // be clobbered by setListener calls
      RemoteEventListener listener;
      MarshalledObject handback;
      long registrationNumber;
      
      synchronized (EventType.this) {
    if (!EventType.this.haveListener())
        return true; // No currently registered listener, stop here


    listener = EventType.this.getListener();
    if (listener == null) {
        return false; // There is a listener, but we can't unpack
          // it -- schedule a retry later
    }
    handback = EventType.this.handback;
    registrationNumber = EventType.this.registrationNumber;
      }


      // If the handback has changed we need to create a new
      // event object (we approximate this test by checking the
      // registrationNumber


      if (event == null || 
    eventForRegistrationNumber != registrationNumber) 
      {
    event = eventFactory.createEvent(EventType.this.evID, seqNum,
             handback);
    eventForRegistrationNumber = registrationNumber;
      }


      // Try sending 
      try {
    listener.notify(event);
    return true;
      } catch (Throwable t) {
    // Classify the exception using ThrowableConstants, if
    // it is a bad object or uncategorized (which must be
    // a UnknownEventException) drop the event

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  MailboxPullRegistration mr = getPullRegistration(mb, DURATION1);
  Lease mrl = getPullMailboxLease(mr);
  checkLease(mrl, DURATION1); 


  // Get the mailbox service provided listener
  RemoteEventListener mbRel = getPullMailboxListener(mr);
  TestPullListener goodPullListener = TestUtils.createPullListener(manager);
        
       
        // Switch to pull interface -- should disable event listener
  logger.log(Level.INFO, "Using pull listener -- not expecting any events.");
  int goodPullCount = 0;        
        Collection events = goodPullListener.getRemoteEvents(mr);
        if (events.size() != 0) {
            throw new TestException("Got events from empty iterator " + events);
        }
  logger.log(Level.INFO, "Event iterator was empty -- OK");  
        
        Object src = new Integer(0);
        long id = EVENT_ID;
        long seqNum = 0L;
        MarshalledObject hbk = null;


        RemoteEvent[] badEvents = new RemoteEvent[] {
            new MyLocalRemoteEvent(src, id, seqNum++, hbk),
            new MyLocalRemoteEvent(src, id, seqNum++, hbk),
            new MyLocalRemoteEvent(src, id, seqNum++, hbk),
            new MyLocalRemoteEvent(src, id, seqNum++, hbk),
            new MyLocalRemoteEvent(src, id, seqNum++, hbk),
        };




        goodPullCount = 0;


  logger.log(Level.INFO, "Sending " + badEvents.length + " bad events ...");
  for (i = 0; i < badEvents.length; i++) {
      mbRel.notify(badEvents[i]);
  }


        // Switch to pull interface -- should disable event listener
  logger.log(Level.INFO, "Using pull listener -- not expecting any events.");
  goodPullCount = 0;        
        events = goodPullListener.getRemoteEvents(mr);
        if (events.size() != 0) {
            throw new TestException("Got bad events from iterator " + events);
        }
  logger.log(Level.INFO, "Event iterator was empty -- OK");


        RemoteEvent[] goodEvents = new RemoteEvent[] {
            new RemoteEvent(src, id, seqNum++, hbk),
            new RemoteEvent(src, id, seqNum++, hbk),
            new RemoteEvent(src, id, seqNum++, hbk),
            new RemoteEvent(src, id, seqNum++, hbk),
            new RemoteEvent(src, id, seqNum++, hbk),
            new RemoteEvent(src, id, seqNum++, hbk),
        };


        goodPullCount = goodEvents.length;


  logger.log(Level.INFO, "Sending " + goodEvents.length + " good events ...");
  for (i = 0; i < goodEvents.length; i++) {
      mbRel.notify(goodEvents[i]);
  }
        
        events = goodPullListener.getRemoteEvents(mr);
        if (events.size() != goodPullCount) {
            throw new TestException(
                "Got " + events.size() + " + events, but expected " +
                goodPullCount + ":" + events);
        }
  logger.log(Level.INFO, "Event iterator was not empty -- OK");     
        
        RemoteEvent[] mixedEvents = new RemoteEvent[] {
            new MyLocalRemoteEvent(src, id, seqNum++, hbk),
            new RemoteEvent(src, id, seqNum++, hbk),
            new MyLocalRemoteEvent(src, id, seqNum++, hbk),
            new RemoteEvent(src, id, seqNum++, hbk),
            new MyLocalRemoteEvent(src, id, seqNum++, hbk),
            new RemoteEvent(src, id, seqNum++, hbk),
        };
  logger.log(Level.INFO, "Sending " + mixedEvents.length + " mixed events ...");
  for (i = 0; i < mixedEvents.length; i++) {
      mbRel.notify(mixedEvents[i]);
  }
        goodPullCount = 3;
        events = goodPullListener.getRemoteEvents(mr);
        if (events.size() != goodPullCount) {
            throw new TestException(

View Full Code Here

  }
  // Register and check lease
  checkLease(mrl, DURATION); 


  // Get the mailbox service provided listener
  RemoteEventListener mbRel = getMailboxListener(mr);


  // Create an event generator and pass it the
  // mailbox's remote event listener.
  TestGenerator myGen =  TestUtils.createGenerator(manager);
  EventRegistration evtReg =

View Full Code Here


  // Register and check lease
  checkLease(mrl, DURATION); 


  // Get the mailbox service provided listener
  RemoteEventListener mbRel = getMailboxListener(mr);


  // Create an event generator and pass it the
  // mailbox's remote event listener.
  TestGenerator myGen = TestUtils.createGenerator(manager);
  EventRegistration evtReg =

View Full Code Here

  MailboxPullRegistration mr = getPullRegistration(mb, DURATION1);
  Lease mrl = getPullMailboxLease(mr);
  checkLease(mrl, DURATION1); 


  // Get the mailbox service provided listener
  RemoteEventListener mbRel = getPullMailboxListener(mr);


  // Create an event generator and pass it the
  // mailbox's remote event listener.
  TestGenerator myGen = TestUtils.createGenerator(manager);
  logger.log(Level.FINEST,

View Full Code Here

  MailboxPullRegistration mr = getPullRegistration(mb, DURATION1);
  Lease mrl = getPullMailboxLease(mr);
  checkLease(mrl, DURATION1); 


  // Get the mailbox service provided listener
  RemoteEventListener mbRel = getPullMailboxListener(mr);


  // Create an event generator and pass it the
  // mailbox's remote event listener.
  TestGenerator myGen = TestUtils.createGenerator(manager);
  logger.log(Level.FINEST,

View Full Code Here

      logger.log(Level.INFO, "TestGeneratorImpl: generateEvent: " +
          "Registration has been removed ... not sending event");
      return null;
  }


  RemoteEventListener listener = reg.getListener();
  RemoteEvent event =
      new RemoteEvent(serverStub, reg.getID(), reg.getSequenceNumber(),
          reg.getHandback());
  boolean sent = false;
  while (!sent) {
      try {
          listener.notify(event);
    sent = true;
    logger.log(Level.FINER, "TestGeneratorImpl: generateEvent: " +
        "sent event " + event);
    return event;
      } catch (UnknownEventException ue) {

View Full Code Here


        // write an entry using stale transaction
        boolean bomb = false;


        // dummy event listener
        RemoteEventListener listener = null;


        try {
            if (isNotify) {


                // create event listener (dummy)

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  MailboxRegistration mr = getRegistration(mb, DURATION1);
  Lease mrl = getMailboxLease(mr);
  checkLease(mrl, DURATION1); 


  // Get the mailbox service provided listener
  RemoteEventListener mbRel = getMailboxListener(mr);


  // Create an event generator and pass it the
  // mailbox's remote event listener.
  TestGenerator myGen = TestUtils.createGenerator(manager);
  EventRegistration evtReg =

View Full Code Here

  MailboxRegistration mr = getRegistration(mb, DURATION1);
  Lease mrl = getMailboxLease(mr);
  checkLease(mrl, DURATION1); 


  // Get the mailbox service provided listener
  RemoteEventListener mbRel = getMailboxListener(mr);


  // Create an event generator and pass it the
  // mailbox's remote event listener.
  TestGenerator myGen = TestUtils.createGenerator(manager);
  EventRegistration evtReg =

View Full Code Here

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