Examples of org.apache.uima.aae.UimaAsThreadFactory

org.apache.uima.aae.UimaAsThreadFactory
Custom ThreadFactory for use in the TaskExecutor. The TaskExecutor is plugged in by Spring from spring xml file generated by dd2spring. The TaskExecutor is only defined for PrimitiveControllers and its main purpose is to provide thread pooling and management. Each new thread produced by this ThreadFactory is used to initialize a dedicated AE instance in the PrimitiveController.

      // Create a ThreadPoolExecutor with as many threads as needed. The pool has
      // a fixed number of threads that never expire and are never passivated.
      executor = new ThreadPoolExecutor(concurrentConsumerCount, concurrentConsumerCount,
              Long.MAX_VALUE, TimeUnit.NANOSECONDS, workQueue);
      if (controller instanceof PrimitiveAnalysisEngineController) {
        ThreadFactory tf = new UimaAsThreadFactory(threadGroup,
                (PrimitiveAnalysisEngineController) controller);
        executor.setThreadFactory(tf);
      }
      executor.prestartAllCoreThreads();
      controller.changeState(ServiceState.RUNNING);

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    super.setMessageListener(ml);
    // create task executor with custom thread pool for:
    // 1) GetMeta request processing
    // 2) ReleaseCAS request
    if ( taskExecutor == null ) {
      UimaAsThreadFactory tf = new UimaAsThreadFactory(threadGroup);
      tf.setDaemon(false);
      if ( isFreeCasQueueListener()) {
        tf.setThreadNamePrefix(controller.getComponentName()+" - FreeCASRequest Thread");
      } else if ( isGetMetaListener()  ) {
        tf.setThreadNamePrefix(super.getBeanName()+" - Thread");
      } else if ( getDestination() != null && getMessageSelector() != null ) {
        tf.setThreadNamePrefix(controller.getComponentName() + " Process Thread");
      } else if ( endpoint != null && endpoint.isTempReplyDestination() ) {
        tf.setThreadNamePrefix(super.getBeanName()+" - Thread");
      } else { 
        throw new Exception("Unknown Context Detected in setUimaASThreadPoolExecutor()");
      }
      ExecutorService es = Executors.newFixedThreadPool(consumentCount,tf);
      if ( es instanceof ThreadPoolExecutor ) {
          threadPoolExecutor = (ThreadPoolExecutor)es;
          super.setTaskExecutor(es);
      }
    } else {
        UimaAsThreadFactory tf = new UimaAsThreadFactory(threadGroup);
        tf.setDaemon(false);
        if ( isFreeCasQueueListener()) {
          tf.setThreadNamePrefix(controller.getComponentName()+" - FreeCASRequest Thread");
        } else if ( isGetMetaListener()  ) {
          tf.setThreadNamePrefix(super.getBeanName()+" - Thread");
        } else if ( getDestination() != null && getMessageSelector() != null ) {
          tf.setThreadNamePrefix(controller.getComponentName() + " Process Thread");
        } else if ( endpoint != null && endpoint.isTempReplyDestination() ) {
          tf.setThreadNamePrefix(super.getBeanName()+" - Thread");
        } else { 
          throw new Exception("Unknown Context Detected in setUimaASThreadPoolExecutor()");
        }
        
    }

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      }
      latchToCountNumberOfTerminatedThreads = new CountDownLatch(consumers);
      // Create a Custom Thread Factory. Provide it with an instance of
      // PrimitiveController so that every thread can call it to initialize
      // the next available instance of a AE.
      tf = new UimaAsThreadFactory(threadGroup, (PrimitiveAnalysisEngineController) controller, latchToCountNumberOfTerminatedThreads);
      ((UimaAsThreadFactory)tf).setDaemon(true);
      // This ThreadExecutor will use custom thread factory instead of defult one
      ((ThreadPoolTaskExecutor) taskExecutor).setThreadFactory(tf);
      // Initialize the thread pool
      ((ThreadPoolTaskExecutor) taskExecutor).initialize();

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    super.setMessageListener(ml);
    // create task executor with custom thread pool for:
    // 1) GetMeta request processing
    // 2) ReleaseCAS request
    if ( taskExecutor == null ) {
      UimaAsThreadFactory tf = new UimaAsThreadFactory(threadGroup);
      tf.setDaemon(true);
      if ( isFreeCasQueueListener()) {
        tf.setThreadNamePrefix(controller.getComponentName()+" - FreeCASRequest Thread");
      } else if ( isGetMetaListener()  ) {
        tf.setThreadNamePrefix(super.getBeanName()+" - Thread");
      } else if ( getDestination() != null && getMessageSelector() != null ) {
        tf.setThreadNamePrefix(controller.getComponentName() + " Process Thread");
      } else if ( endpoint != null && endpoint.isTempReplyDestination() ) {
        tf.setThreadNamePrefix(super.getBeanName()+" - Thread");
      } else { 
        throw new Exception("Unknown Context Detected in setUimaASThreadPoolExecutor()");
      }
      ExecutorService es = Executors.newFixedThreadPool(consumentCount,tf);
      if ( es instanceof ThreadPoolExecutor ) {

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        }
      }
      // Create a Custom Thread Factory. Provide it with an instance of
      // PrimitiveController so that every thread can call it to initialize
      // the next available instance of a AE.
      tf = new UimaAsThreadFactory(threadGroup, (PrimitiveAnalysisEngineController) controller);
      ((UimaAsThreadFactory)tf).setDaemon(true);
      // This ThreadExecutor will use custom thread factory instead of defult one
      ((ThreadPoolTaskExecutor) taskExecutor).setThreadFactory(tf);
      // Initialize the thread pool
      ((ThreadPoolTaskExecutor) taskExecutor).initialize();

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      workQueue = new UimaVmQueue();
      // Create a ThreadPoolExecutor with as many threads as needed. The pool has
      // a fixed number of threads that never expire and are never passivated.
      executor = new ThreadPoolExecutor(concurrentConsumerCount, concurrentConsumerCount,
              Long.MAX_VALUE, TimeUnit.NANOSECONDS, workQueue);
      UimaAsThreadFactory tf = null;
      if (controller instanceof PrimitiveAnalysisEngineController) {
        tf = new UimaAsThreadFactory(threadGroup,
                (PrimitiveAnalysisEngineController) controller);
      } else {
        tf = new UimaAsThreadFactory(threadGroup,null);
      }
      tf.setDaemon(true);
      executor.setThreadFactory(tf);
      executor.prestartAllCoreThreads();
      //controller.changeState(ServiceState.RUNNING);
    }
    return executor;

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      //  created an unbounded queue. The throttling is controlled by the
      //  semaphore in the UimaBlockingExecutor initialized below
      workQueue = new LinkedBlockingQueue<Runnable>();
      executor = new ThreadPoolExecutor(concurrentThreads, concurrentThreads, Long.MAX_VALUE,
              TimeUnit.NANOSECONDS, workQueue);
      UimaAsThreadFactory tf = new UimaAsThreadFactory(threadGroup);
      tf.setDaemon(true);
      tf.setThreadNamePrefix(threadPrefix);
      executor.setThreadFactory(tf);
      
      executor.prestartAllCoreThreads();
      if ( destination != null ) {
        blockingExecutor = new UimaBlockingExecutor(executor, concurrentThreads, destination);

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        }
      }
      // Create a Custom Thread Factory. Provide it with an instance of
      // PrimitiveController so that every thread can call it to initialize
      // the next available instance of a AE.
      tf = new UimaAsThreadFactory(threadGroup, (PrimitiveAnalysisEngineController) controller);
      // This ThreadExecutor will use custom thread factory instead of defult one
      ((ThreadPoolTaskExecutor) taskExecutor).setThreadFactory(tf);
      // Initialize the thread pool
      ((ThreadPoolTaskExecutor) taskExecutor).initialize();
      // Make sure all threads are started. This forces each thread to call

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    // create task executor with custom thread pool for:
    // 1) GetMeta request processing
    // 2) ReleaseCAS request
    if ( taskExecutor == null ) {
      UimaAsThreadFactory tf = new UimaAsThreadFactory(threadGroup);
      tf.setDaemon(false);
      if ( isFreeCasQueueListener()) {
        tf.setThreadNamePrefix(controller.getComponentName()+" - FreeCASRequest Thread");
      } else if ( isGetMetaListener()  ) {
        tf.setThreadNamePrefix(super.getBeanName()+" - Thread");
      } else if ( getDestination() != null && getMessageSelector() != null ) {
        tf.setThreadNamePrefix(controller.getComponentName() + " Process Thread");
      } else if ( endpoint != null && endpoint.isTempReplyDestination() ) {
        tf.setThreadNamePrefix(super.getBeanName()+" - Thread");
      } else { 
        throw new Exception("Unknown Context Detected in setUimaASThreadPoolExecutor()");
      }
      ExecutorService es = Executors.newFixedThreadPool(consumentCount,tf);
      if ( es instanceof ThreadPoolExecutor ) {
          threadPoolExecutor = (ThreadPoolExecutor)es;
          super.setTaskExecutor(es);
      }
    } else {
        UimaAsThreadFactory tf = new UimaAsThreadFactory(threadGroup);
        tf.setDaemon(true);
        if ( isFreeCasQueueListener()) {
          tf.setThreadNamePrefix(controller.getComponentName()+" - FreeCASRequest Thread");
        } else if ( isGetMetaListener()  ) {
          tf.setThreadNamePrefix(super.getBeanName()+" - Thread");
        } else if ( getDestination() != null && getMessageSelector() != null ) {
          tf.setThreadNamePrefix(controller.getComponentName() + " Process Thread");
        } else if ( endpoint != null && endpoint.isTempReplyDestination() ) {
          tf.setThreadNamePrefix(super.getBeanName()+" - Thread");
        } else { 
          throw new Exception("Unknown Context Detected in setUimaASThreadPoolExecutor()");
        }
        
    }

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      }
      latchToCountNumberOfTerminatedThreads = new CountDownLatch(consumers);
      // Create a Custom Thread Factory. Provide it with an instance of
      // PrimitiveController so that every thread can call it to initialize
      // the next available instance of a AE.
      tf = new UimaAsThreadFactory(threadGroup, (PrimitiveAnalysisEngineController) controller, latchToCountNumberOfTerminatedThreads);
      ((UimaAsThreadFactory)tf).setDaemon(true);
      // This ThreadExecutor will use custom thread factory instead of defult one
      ((ThreadPoolTaskExecutor) taskExecutor).setThreadFactory(tf);
      // Initialize the thread pool
      ((ThreadPoolTaskExecutor) taskExecutor).initialize();

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