uimaj-cpe/src/main/java/org/apache/uima/collection/impl/cpm/engine/NonThreadedProcessingUnit.java [178:280]:
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  public void setInputQueue(BoundedWorkQueue aInputQueue) {
    workQueue = aInputQueue;
  }

  /**
   * Alternative method of providing a queue where this PU will deposit results of analysis.
   *
   * @param aOutputQueue
   *          - queue to write to
   */
  public void setOutputQueue(BoundedWorkQueue aOutputQueue) {
    outputQueue = aOutputQueue;
  }

  /**
   * Alternative method of providing the reference to the component managing the lifecycle of the
   * CPE.
   *
   * @param acpm
   *          - reference to the contrlling engine
   */
  public void setCPMEngine(CPMEngine acpm) {
    cpm = acpm;
  }

  /**
   * Null out fields of this object. Call this only when this object is no longer needed.
   */
  public void cleanup() {
    casPool = null;
    cpm = null;
    workQueue = null;
    outputQueue = null;
    mConverter = null;
    processingUnitProcessTrace = null;
    processContainers.clear();
    processContainers = null;
    casList = null;
    conversionCas = null;
    artifact = null;
    statusCbL = null;
    conversionCasArray = null;
  }

  /**
   * Set a flag indicating if notifications should be made via configured Listeners.
   *
   * @param aDoNotify
   *          - true if notification is required, false otherwise
   */
  public void setNotifyListeners(boolean aDoNotify) {
    notifyListeners = aDoNotify;
  }

  /**
   * Plugs in Listener object used for notifications.
   * 
   * @param aListener
   *          - {@link org.apache.uima.collection.base_cpm.BaseStatusCallbackListener} instance
   */
  public void addStatusCallbackListener(BaseStatusCallbackListener aListener) {
    statusCbL.add(aListener);
  }

  /**
   * Returns list of listeners used by this PU for callbacks.
   * 
   * @return - lif of {@link org.apache.uima.collection.base_cpm.BaseStatusCallbackListener}
   *         instances
   */
  public ArrayList getCallbackListeners() {
    return statusCbL;
  }

  /**
   * Removes given listener from the list of listeners.
   *
   * @param aListener
   *          - object to remove from the list
   */
  public void removeStatusCallbackListener(BaseStatusCallbackListener aListener) {
    statusCbL.remove(aListener);
  }

  /**
   * Plugs in ProcessTrace object used to collect statistics.
   *
   * @param aProcessingUnitProcessTrace
   *          - object to compile stats
   */
  public void setProcessingUnitProcessTrace(ProcessTrace aProcessingUnitProcessTrace) {
    processingUnitProcessTrace = aProcessingUnitProcessTrace;

  }

  /**
   * Plugs in custom timer used by the PU for getting time.
   *
   * @param aTimer
   *          - custom timer to use
   */
  public void setUimaTimer(UimaTimer aTimer) {
    timer = aTimer;
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uimaj-cpe/src/main/java/org/apache/uima/collection/impl/cpm/engine/ProcessingUnit.java [250:352]:
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  public void setInputQueue(BoundedWorkQueue aInputQueue) {
    workQueue = aInputQueue;
  }

  /**
   * Alternative method of providing a queue where this PU will deposit results of analysis.
   *
   * @param aOutputQueue
   *          - queue to write to
   */
  public void setOutputQueue(BoundedWorkQueue aOutputQueue) {
    outputQueue = aOutputQueue;
  }

  /**
   * Alternative method of providing the reference to the component managing the lifecycle of the
   * CPE.
   *
   * @param acpm
   *          - reference to the contrlling engine
   */
  public void setCPMEngine(CPMEngine acpm) {
    cpm = acpm;
  }

  /**
   * Null out fields of this object. Call this only when this object is no longer needed.
   */
  public void cleanup() {
    casPool = null;
    cpm = null;
    workQueue = null;
    outputQueue = null;
    mConverter = null;
    processingUnitProcessTrace = null;
    processContainers.clear();
    processContainers = null;
    casList = null;
    conversionCas = null;
    artifact = null;
    statusCbL = null;
    conversionCasArray = null;
  }

  /**
   * Set a flag indicating if notifications should be made via configured Listeners.
   *
   * @param aDoNotify
   *          - true if notification is required, false otherwise
   */
  public void setNotifyListeners(boolean aDoNotify) {
    notifyListeners = aDoNotify;
  }

  /**
   * Plugs in Listener object used for notifications.
   * 
   * @param aListener
   *          - {@link org.apache.uima.collection.base_cpm.BaseStatusCallbackListener} instance
   */
  public void addStatusCallbackListener(BaseStatusCallbackListener aListener) {
    statusCbL.add(aListener);
  }

  /**
   * Returns list of listeners used by this PU for callbacks.
   * 
   * @return - lif of {@link org.apache.uima.collection.base_cpm.BaseStatusCallbackListener}
   *         instances
   */
  public ArrayList getCallbackListeners() {
    return statusCbL;
  }

  /**
   * Removes given listener from the list of listeners.
   *
   * @param aListener
   *          - object to remove from the list
   */
  public void removeStatusCallbackListener(BaseStatusCallbackListener aListener) {
    statusCbL.remove(aListener);
  }

  /**
   * Plugs in ProcessTrace object used to collect statistics.
   *
   * @param aProcessingUnitProcessTrace
   *          - object to compile stats
   */
  public void setProcessingUnitProcessTrace(ProcessTrace aProcessingUnitProcessTrace) {
    processingUnitProcessTrace = aProcessingUnitProcessTrace;

  }

  /**
   * Plugs in custom timer used by the PU for getting time.
   *
   * @param aTimer
   *          - custom timer to use
   */
  public void setUimaTimer(UimaTimer aTimer) {
    timer = aTimer;
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