Examples of net.jini.core.lookup.ServiceEvent

net.jini.core.lookup.ServiceEvent
This class is used for remote events sent by the lookup service. It extends RemoteEvent with methods to obtain the service ID of the matched item, the transition that triggered the event, and the new state of the item.
Sequence numbers for a given event ID are strictly increasing. If there is no gap between two sequence numbers, no events have been missed; if there is a gap, events might (but might not) have been missed. For example, a gap might occur if the lookup service crashes, even if no events are lost due to the crash. @author Sun Microsystems, Inc. @since 1.0

                                         int nExpectedEvnts,
                                         int expectedTransition,
                                         ServiceRegistration[] serviceRegs)
                                                         throws Exception
    {
        ServiceEvent evnt = null;
        if (eventVector.size() != nExpectedEvnts) {
            throw new TestException("# of Events Received ("+
                                             eventVector.size()+
                                             ") != # of Events Expected ("+
                                             nExpectedEvnts+")");
  } else {
            ServiceID evntSrvcID;
            ServiceID expdSrvcID;
            ServiceID handbackSrvcID;
      for(int i=0; i<eventVector.size(); i++) {
                evnt = (ServiceEvent)eventVector.elementAt(i);
                if (evnt == null) {
                    throw new TestException
                             ("null Event returned from Vector at element "+i);
       } else {
                    if (evnt.getTransition() != expectedTransition) {
      dumpEventIDs(eventVector, serviceRegs);
                        throw new TestException("Unexpected Transition returned ("+
            evnt.getTransition()+")");
        } else {
                        evntSrvcID = evnt.getServiceID();
                        expdSrvcID = serviceRegs[i].getServiceID();
                        if ( !(evntSrvcID.equals(expdSrvcID)) ) {
                            throw new TestException("Service ID Received ("+
                evntSrvcID+
                ") != Service ID Expected ("+
                expdSrvcID+")");
      } else {
          handbackSrvcID = 
        (ServiceID)(evnt.getRegistrationObject().get());


          if ( !(handbackSrvcID.equals(expdSrvcID)) ) {
        throw new TestException
            ("Handback Service ID ("+
             handbackSrvcID+

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    }


    public static void dumpEventIDs(Vector eventVector,
                                    ServiceRegistration[] serviceRegs)
    {
        ServiceEvent evnt = null;
  ServiceID evntSrvcID;
  ServiceID expdSrvcID;
  ServiceID handbackSrvcID;
  for(int i=0; i<eventVector.size(); i++) {
      evnt = (ServiceEvent)eventVector.elementAt(i);
      evntSrvcID = evnt.getServiceID();
      expdSrvcID = serviceRegs[i].getServiceID();
      System.out.println("Expected ID = " + expdSrvcID + ", received ID = " + evntSrvcID);
  }
    }

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  throws Exception
    {
  ServiceTemplate tmpl = new ServiceTemplate(null, null, null);
    outer:
  for (int i = 0; i < eventVector.size(); i++) {
      ServiceEvent evnt = (ServiceEvent)eventVector.elementAt(i);
      for (int j = i + 1; j < eventVector.size(); j++) {
    ServiceEvent oevnt = (ServiceEvent)eventVector.elementAt(j);
    if (evnt.getServiceID().equals(oevnt.getServiceID()))
        continue outer;
      }
      ServiceItem item = evnt.getServiceItem();
      tmpl.serviceID = evnt.getServiceID();
      ServiceRegistrar proxy = (ServiceRegistrar)evnt.getSource();

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            super();
        }


        /** Method called remotely by lookup to handle the generated event. */
        public synchronized void notify(RemoteEvent ev) {
            ServiceEvent srvcEvnt = (ServiceEvent)ev;
            evntVec.addElement(srvcEvnt);
        }

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            super();
        }


        /** Method called remotely by lookup to handle the generated event. */
        public void notify(RemoteEvent ev) {
            ServiceEvent srvcEvnt = (ServiceEvent)ev;
            evntVec.addElement(srvcEvnt);
        }

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        public Listener() throws RemoteException {
            super();
        }
        /** Method called remotely by lookup to handle the generated event. */
        public void notify(RemoteEvent ev) {
            ServiceEvent srvcEvnt = (ServiceEvent)ev;
            evntVec.addElement(srvcEvnt);
            try {
                QATestUtils.SrvcAttrTuple tuple = (QATestUtils.SrvcAttrTuple)
                                      (srvcEvnt.getRegistrationObject().get());


                receivedTuples.addElement(new QATestUtils.SrvcAttrTuple
                                                   (srvcItems,addAttrs,
                                                    tuple.getSrvcObj(),
                                                    tuple.getAttrObj(),
                                                    srvcEvnt.getTransition()));
            } catch (ClassNotFoundException e) {
                logger.log(Level.INFO, "Unexpected exception", e);
            } catch (IOException e) {
                logger.log(Level.INFO, "Unexpected exception", e);
            }

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        public Listener() throws RemoteException {
            super();
        }
        /** Method called remotely by lookup to handle the generated event. */
        public void notify(RemoteEvent ev) {
            ServiceEvent srvcEvnt = (ServiceEvent)ev;
            evntVec.addElement(srvcEvnt);
            try {
                QATestUtils.SrvcAttrTuple tuple = (QATestUtils.SrvcAttrTuple)
                                      (srvcEvnt.getRegistrationObject().get());


                receivedTuples.addElement(new QATestUtils.SrvcAttrTuple
                                                   (srvcItems,tmplAttrs,
                                                    tuple.getSrvcObj(),
                                                    tuple.getAttrObj(),
                                                    srvcEvnt.getTransition()));
            } catch (ClassNotFoundException e) {
                logger.log(Level.INFO, "Unexpected exception", e);
            } catch (IOException e) {
                logger.log(Level.INFO, "Unexpected exception", e);
            }

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        public Listener() throws RemoteException {
            super();
        }
        /** Method called remotely by lookup to handle the generated event. */
        public void notify(RemoteEvent ev) {
            ServiceEvent srvcEvnt = (ServiceEvent)ev;
            evntVec.addElement(srvcEvnt);
            try {
                QATestUtils.SrvcAttrTuple tuple = (QATestUtils.SrvcAttrTuple)
                                      (srvcEvnt.getRegistrationObject().get());


                receivedTuples.addElement(new QATestUtils.SrvcAttrTuple
                                                   (srvcItems,tmplAttrs,
                                                    tuple.getSrvcObj(),
                                                    tuple.getAttrObj(),
                                                    srvcEvnt.getTransition()));
            } catch (ClassNotFoundException e) {
                logger.log(Level.INFO, "Unexpected exception", e);
            } catch (IOException e) {
                logger.log(Level.INFO, "Unexpected exception", e);
            }

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        public Listener() throws RemoteException {
            super();
        }
        /** Method called remotely by lookup to handle the generated event. */
        public void notify(RemoteEvent ev) {
            ServiceEvent srvcEvnt = (ServiceEvent)ev;
            evntVec.addElement(srvcEvnt);
            try {
                QATestUtils.SrvcAttrTuple tuple = (QATestUtils.SrvcAttrTuple)
                                      (srvcEvnt.getRegistrationObject().get());


                receivedTuples.addElement(new QATestUtils.SrvcAttrTuple
                                                   (srvcItems,tmplAttrs,
                                                    tuple.getSrvcObj(),
                                                    tuple.getAttrObj(),
                                                    srvcEvnt.getTransition()));
            } catch (Throwable e) {
                logger.log(Level.INFO, "Unexpected exception", e);
            }
        }

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                lookupListenerProxy =
                     (RemoteEventListener)lookupListenerExporter.export(this);
            }//end constructor


      public void notify(RemoteEvent evt) {
    ServiceEvent theEvent = (ServiceEvent)evt;
    notifyServiceMap( theEvent.getSource(),
          theEvent.getID(),
          theEvent.getSequenceNumber(),
          theEvent.getServiceID(),
          theEvent.getServiceItem(),
          theEvent.getTransition() );
      }//end notify

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