Package org.apache.uima.aae.delegate

Examples of org.apache.uima.aae.delegate.Delegate

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    }
    return null;
  }

  private void addCasToOutstandingList(CacheEntry entry, boolean isRequest, String aDelegateKey) {
    Delegate delegate = null;
    if (isRequest && (delegate = lookupDelegate(aDelegateKey)) != null) {
      delegate.addCasToOutstandingList(entry.getCasReferenceId());
    }
  }
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      delegate.addCasToOutstandingList(entry.getCasReferenceId());
    }
  }

  private void removeCasFromOutstandingList(CacheEntry entry, boolean isRequest, String aDelegateKey) {
    Delegate delegate = null;
    if (isRequest && (delegate = lookupDelegate(aDelegateKey)) != null) {
      delegate.removeCasFromOutstandingList(entry.getCasReferenceId());
    }
  }
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          // reset to OK state when the delegate responds to the client PING
          // request. Since we have disabled the delegate, remove ALL CASes from
          // both lists and send them through the ErrorHandler one at a time
          // as if these CASes timed out.

          Delegate delegate = ((AggregateAnalysisEngineController) this).lookupDelegate(key);
          // Cancel the delegate timer. No more responses are expected
          delegate.cancelDelegateTimer();
          // Check if we should force timeout on all CASes in a pending state. If this
          // method is called from ProcessCasErrorHandler we will skip this since we
          // want to first completely handle the CAS exception. Once that CAS exception
          // is handled, the ProcessCasErrorHandler will call forceTimeoutOnPendingCases
          // to time out CASes in pending lists
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    }

  }

  public void forceTimeoutOnPendingCases(String key) {
    Delegate delegate = ((AggregateAnalysisEngineController) this).lookupDelegate(key);
    // Cancel the delegate timer. No more responses are expected
    delegate.cancelDelegateTimer();
    Endpoint endpoint = delegate.getEndpoint();
    // If the delegate has CASes pending reply still, send each CAS
    // from the pending list through the error handler with
    // MessageTimeoutException as a cause of error
    while (delegate.getCasPendingReplyListSize() > 0) {
      String timedOutCasId = delegate.removeOldestCasFromOutstandingList();
      if (UIMAFramework.getLogger(CLASS_NAME).isLoggable(Level.INFO)) {
        UIMAFramework.getLogger(CLASS_NAME).logrb(Level.INFO, CLASS_NAME.getName(), "handleAction",
                UIMAEE_Constants.JMS_LOG_RESOURCE_BUNDLE, "UIMAEE_force_cas_timeout__INFO",
                new Object[] { getComponentName(), key, timedOutCasId, " Pending Reply List" });
      }

      ErrorContext errorContext = new ErrorContext();
      errorContext.add(AsynchAEMessage.Command, AsynchAEMessage.Process);
      errorContext.add(AsynchAEMessage.CasReference, timedOutCasId);
      errorContext.add(AsynchAEMessage.Endpoint, endpoint);
      getErrorHandlerChain().handle(new ForcedMessageTimeoutException(), errorContext, this);
    }
    // If the delegate has CASes pending dispatch, send each CAS
    // from the pending dispatch list through the error handler with
    // MessageTimeoutException as a cause of error
    while (delegate.getCasPendingDispatchListSize() > 0) {
      String timedOutCasId = delegate.removeOldestFromPendingDispatchList();

      if (UIMAFramework.getLogger(CLASS_NAME).isLoggable(Level.INFO)) {
        UIMAFramework.getLogger(CLASS_NAME).logrb(Level.INFO, CLASS_NAME.getName(), "handleAction",
                UIMAEE_Constants.JMS_LOG_RESOURCE_BUNDLE, "UIMAEE_force_cas_timeout__INFO",
                new Object[] { getComponentName(), key, timedOutCasId, " Pending Dispatch List" });
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            concurrentListener.setAnalysisEngineController(controller);
          }
          // Save number of concurrent consumers on the temp reply queue in case we need to
          // recreate a new listener on a new temp queue created during recovery
          if (endpoint != null && controller instanceof AggregateAnalysisEngineController) {
            Delegate delegate = ((AggregateAnalysisEngineController) controller)
                    .lookupDelegate(endpoint.getDelegateKey());
            if (delegate != null) {
              delegate.getEndpoint().setConcurrentReplyConsumers(cc);
            }
          }
          //  Show ready message on the console only if this listener is *not* listening
          //  on an input queue. Input queue listeners are not started until the service
          //  is fully initialized
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        // failure. In such an event the aggregate stops the listener on the delegate
        // reply queue.
        if ( msgType == AsynchAEMessage.Request && command == AsynchAEMessage.Process &&
             masterEndpoint != null && masterEndpoint.getStatus() == Endpoint.FAILED) {
          HashMap<Object, Object> map = new HashMap<Object, Object>();
          Delegate delegate = ((AggregateAnalysisEngineController) controller).lookupDelegate(delegateEndpoint.getDelegateKey());
          //  Cancel Delegate timer before entering Error Handler
          if ( delegate != null ) {
            delegate.cancelDelegateTimer();
          }
          //  Handle the Connection error in the ProcessErrorHandler
          map.put(AsynchAEMessage.Command, AsynchAEMessage.Process);
          map.put(AsynchAEMessage.CasReference, aMessage.getStringProperty(AsynchAEMessage.CasReference));
          map.put(AsynchAEMessage.Endpoint, masterEndpoint);
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    }
  }

  public void createListener(String aDelegateKey, Endpoint endpointToUpdate) throws Exception {
    if (getController() instanceof AggregateAnalysisEngineController) {
      Delegate delegate = ((AggregateAnalysisEngineController) getController())
              .lookupDelegate(aDelegateKey);
      if (delegate != null) {

        UimaDefaultMessageListenerContainer newListener = new UimaDefaultMessageListenerContainer();

        testIfBrokerRunning(delegate.getEndpoint().getServerURI());
        ActiveMQConnectionFactory f = new ActiveMQConnectionFactory(delegate.getEndpoint().getServerURI());
        newListener.setConnectionFactory(f);
        newListener.setMessageListener(this);
        newListener.setController(getController());

        TempDestinationResolver resolver = new TempDestinationResolver();
        resolver.setConnectionFactory(f);
        resolver.setListener(newListener);
        newListener.setDestinationResolver(resolver);

        org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor executor = new org.springframework.scheduling.concurrent.ThreadPoolTaskExecutor();
        executor.setCorePoolSize(delegate.getEndpoint().getConcurrentReplyConsumers());
        executor.setMaxPoolSize(delegate.getEndpoint().getConcurrentReplyConsumers());
        executor.setQueueCapacity(delegate.getEndpoint().getConcurrentReplyConsumers());
        executor.initialize();
        newListener.setConcurrentConsumers(delegate.getEndpoint().getConcurrentReplyConsumers());
        newListener.setTaskExecutor(executor);
        newListener.initialize();
        newListener.start();
        // Wait until the resolver plugs in the destination
        while (newListener.getDestination() == null) {
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        String msgFrom = (String) message.getStringProperty(AsynchAEMessage.MessageFrom);
        if (msgFrom != null && controller instanceof AggregateAnalysisEngineController) {
          String delegateKey = ((AggregateAnalysisEngineController) controller)
                  .lookUpDelegateKey(msgFrom);
          if (delegateKey != null) {
            Delegate delegate = ((AggregateAnalysisEngineController) controller)
                    .lookupDelegate(delegateKey);
            delegate.setConcurrentConsumersOnReplyQueue();
          }
        }
        try {
          String parentCasReferenceId = message
                  .getStringProperty(AsynchAEMessage.InputCasReference);
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            concurrentListener.setAnalysisEngineController(controller);
          }
          // Save number of concurrent consumers on the temp reply queue in case we need to
          // recreate a new listener on a new temp queue created during recovery
          if (endpoint != null && controller instanceof AggregateAnalysisEngineController) {
            Delegate delegate = ((AggregateAnalysisEngineController) controller)
                    .lookupDelegate(endpoint.getDelegateKey());
            if (delegate != null) {
              delegate.getEndpoint().setConcurrentReplyConsumers(cc);
            }
          }
          //  Show ready message on the console only if this listener is *not* listening
          //  on an input queue. Input queue listeners are not started until the service
          //  is fully initialized
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      //  if a colocated service, set its key as defined in the AE descriptor
      if ( !this.isTopLevelComponent() ) {
        serviceInfo.setServiceKey(delegateKey);
        //  Modify service performance MBean to expose number
        //  of threads processing replies
        Delegate delegate = ((AggregateAnalysisEngineController) parentController)
          .lookupDelegate(delegateKey);
        if ( delegate != null ) {
          servicePerformance.setReplyThreadCount(delegate.getEndpoint().getConcurrentReplyConsumers());
        }
      }
    }
    ServiceInfo pServiceInfo = null;
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Related Classes of org.apache.uima.aae.delegate.Delegate

  • org.apache.uima.aae.controller.AggregateAnalysisEngineController_impl
  • org.apache.uima.aae.controller.BaseAnalysisEngineController
  • org.apache.uima.aae.error.ErrorContext
  • org.apache.uima.aae.error.handler.GetMetaErrorHandler
  • org.apache.uima.aae.error.handler.ProcessCasErrorHandler
  • org.apache.uima.aae.handler.input.MetadataResponseHandler_impl
  • org.apache.uima.aae.handler.input.ProcessRequestHandler_impl
  • org.apache.uima.aae.handler.input.ProcessResponseHandler
  • org.apache.uima.adapter.jms.activemq.ConcurrentMessageListener
  • org.apache.uima.adapter.jms.activemq.JmsEndpointConnection_impl
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