Package org.apache.uima.aae

Examples of org.apache.uima.aae.InputChannel

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   * @throws Exception
   */
  private void createListener(String delegateKey) throws Exception {
    if (controller instanceof AggregateAnalysisEngineController) {
      // Fetch an InputChannel that handles messages for a given delegate
      InputChannel iC = controller.getReplyInputChannel(delegateKey);
      // Create a new Listener, new Temp Queue and associate the listener with the Input Channel
      iC.createListener(delegateKey, null);
    }
  }
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      outputChannel.removeCasFromOutstandingList(entry, isRequest, endpoint.getDelegateKey());
      if (delegate != null) {
        // Mark this delegate as Failed
        delegate.getEndpoint().setStatus(Endpoint.FAILED);
        // Destroy listener associated with a reply queue for this delegate
        InputChannel ic = controller.getInputChannel(delegate.getEndpoint().getDestination()
                .toString());
        if (ic != null && delegate != null && delegate.getEndpoint() != null) {
          ic.destroyListener(delegate.getEndpoint().getDestination().toString(), endpoint
                  .getDelegateKey());
        }
        // Setup error context and handle failure in the error handler
        ErrorContext errorContext = new ErrorContext();
        errorContext.add(AsynchAEMessage.Command, AsynchAEMessage.Process);
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    }
    try {
      if (controller instanceof AggregateAnalysisEngineController) {
        String delegateKey = ((AggregateAnalysisEngineController) controller)
                .lookUpDelegateKey(endpoint.getEndpoint());
        InputChannel iC = null;
        String queueName = null;
        if (endpoint.getDestination() != null) {
          queueName = endpoint.getDestination().toString();
        } else {
          queueName = endpoint.getEndpoint();
        }
        iC = ((AggregateAnalysisEngineController) controller).getInputChannel(queueName);
        if (iC != null) {
          iC.destroyListener(queueName, delegateKey);
        } else {
          if (UIMAFramework.getLogger(CLASS_NAME).isLoggable(Level.INFO)) {
               UIMAFramework.getLogger(CLASS_NAME).logrb(Level.INFO, CLASS_NAME.getName(),
                        "handleTempQueueFailure", UIMAEE_Constants.JMS_LOG_RESOURCE_BUNDLE,
                        "UIMAJMS_unable_to_lookup_input_channel__INFO", queueName);
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              if ( anErrorContext.containsKey(AsynchAEMessage.Endpoint)) {
                Endpoint masterEndpoint = (Endpoint)anErrorContext.get(AsynchAEMessage.Endpoint);

                if (aController instanceof AggregateAnalysisEngineController && (masterEndpoint != null && masterEndpoint.getStatus() == Endpoint.FAILED)) {
                  // Fetch an InputChannel that handles messages for a given delegate
                  InputChannel iC = aController.getReplyInputChannel(masterEndpoint.getDelegateKey());
                  // Create a new Listener, new Temp Queue and associate the listener with the Input Channel
                  iC.createListener(masterEndpoint.getDelegateKey(), null);
                  iC.removeDelegateFromFailedList(masterEndpoint.getDelegateKey());
                  anEndpoint.setDestination(masterEndpoint.getDestination());
                }
               
              }
              String casReferenceId = (String) anErrorContext.get(AsynchAEMessage.CasReference);
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  /**
   * Stops a listener on the main input channel
   *
   */
  protected void stopInputChannel() {
    InputChannel iC = getInputChannel(endpointName);
    if (iC != null && !iC.isStopped()) {
      try {
        iC.stop();
      } catch (Exception e) {
        if (UIMAFramework.getLogger(CLASS_NAME).isLoggable(Level.INFO)) {
          UIMAFramework.getLogger(CLASS_NAME).logrb(Level.INFO, getClass().getName(), "terminate",
                  UIMAEE_Constants.JMS_LOG_RESOURCE_BUNDLE,
                  "UIMAEE_unable_to_stop_inputchannel__INFO",
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   * Aggregates have more than one Listener channel. This method stops all configured input channels
   * this service is configured with.
   *
   */
  protected void stopInputChannels(int channelsToStop) {
    InputChannel iC = null;
    Iterator it = inputChannelMap.keySet().iterator();
    int i = 1;
    while (it.hasNext()) {
      try {
        String key = (String) it.next();
        if (key != null && key.trim().length() > 0) {
          iC = (InputChannel) inputChannelMap.get(key);
          if (iC != null) {
            if (channelsToStop == InputChannel.InputChannels && iC.getServiceInfo() != null
                    && iC.getServiceInfo().getInputQueueName().startsWith("top_level_input_queue")) {
              // This closes both listeners on the input queue: Process Listener and GetMeta
              // Listener
              iC.stop(channelsToStop);
              return; // Just closed input channels. Keep the others open
            }
            iC.stop(channelsToStop);
          }
        }
        i++;
      } catch (Exception e) {
        if (iC != null) {
          if (UIMAFramework.getLogger(CLASS_NAME).isLoggable(Level.INFO)) {
            UIMAFramework.getLogger(CLASS_NAME).logrb(Level.INFO, getClass().getName(),
                    "stopInputChannels", UIMAEE_Constants.JMS_LOG_RESOURCE_BUNDLE,
                    "UIMAEE_unable_to_stop_inputchannel__INFO",
                    new Object[] { getComponentName(), iC.getInputQueueName() });
          }
        } else {
          if (UIMAFramework.getLogger(CLASS_NAME).isLoggable(Level.WARNING)) {
            UIMAFramework.getLogger(CLASS_NAME).logrb(Level.WARNING, getClass().getName(),
                    "stopInputChannels", UIMAEE_Constants.JMS_LOG_RESOURCE_BUNDLE,
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  }

  public InputChannel getInputChannel(String anEndpointName) {

    for (int i = 0; inputChannelList != null && i < inputChannelList.size(); i++) {
      InputChannel iC = (InputChannel) inputChannelList.get(i);
      if (iC.isListenerForDestination(anEndpointName)) {
        return (InputChannel) inputChannelList.get(i);
      }
    }
    return null;
  }
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    }
    try {
      if (controller instanceof AggregateAnalysisEngineController) {
        String delegateKey = ((AggregateAnalysisEngineController) controller)
                .lookUpDelegateKey(endpoint.getEndpoint());
        InputChannel iC = null;
        String queueName = null;
        if (endpoint.getDestination() != null) {
          queueName = endpoint.getDestination().toString();
        } else {
          queueName = endpoint.getEndpoint();
        }
        iC = ((AggregateAnalysisEngineController) controller).getInputChannel(queueName);
        if (iC != null) {
          iC.destroyListener(queueName, delegateKey);
        } else {
          System.out.println(">>> Listener Unable To LookUp InputChannel For Queue:" + queueName);
        }
      }
    } catch (Exception e) {
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   * @throws Exception
   */
  private void createListener(String delegateKey) throws Exception {
    if (controller instanceof AggregateAnalysisEngineController) {
      // Fetch an InputChannel that handles messages for a given delegate
      InputChannel iC = controller.getReplyInputChannel(delegateKey);
      // Create a new Listener, new Temp Queue and associate the listener with the Input Channel
      iC.createListener(delegateKey, null);
    }
  }
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   * Stops a listener on the main input channel
   *
   */
  protected void stopInputChannel()
  {
    InputChannel iC = getInputChannel(endpointName);
    if( iC != null && !iC.isStopped())
    {
      try
      {
        System.out.println("Controller:"+getComponentName()+" Stopping Input Channel:"+iC.getInputQueueName());
        iC.stop();
      }
      catch( Exception e)
      {
        UIMAFramework.getLogger(CLASS_NAME).logrb(Level.INFO, getClass().getName(), "terminate", UIMAEE_Constants.JMS_LOG_RESOURCE_BUNDLE, "UIMAEE_unable_to_stop_inputchannel__INFO", new Object[] { getComponentName(), endpointName });
      }
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Related Classes of org.apache.uima.aae.InputChannel

  • org.apache.uima.aae.controller.AggregateAnalysisEngineController_impl
  • org.apache.uima.aae.controller.BaseAnalysisEngineController
  • org.apache.uima.aae.error.ErrorHandlerBase
  • org.apache.uima.adapter.jms.activemq.JmsEndpointConnection_impl
  • org.apache.uima.adapter.jms.activemq.JmsOutputChannel
  • org.apache.uima.adapter.jms.activemq.JmsOutputChannel$RecoveryThread
  • org.apache.uima.adapter.jms.activemq.UimaDefaultMessageListenerContainer
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