Examples of CollectionProcessingEngine

org.apache.uima.collection.CollectionProcessingEngine
A CollectionProcessingEngine (CPE) processes a collection of artifacts (for text analysis applications, this will be a collection of documents) and produces collection-level results.
A CPE consists of a {@link org.apache.uima.collection.CollectionReader}, zero or more {@link org.apache.uima.analysis_engine.AnalysisEngine}s and zero or more {@link org.apache.uima.collection.CasConsumer}s. The Collection Reader is responsible for reading artifacts from a collection and setting up the CAS. The AnalysisEngines analyze each CAS and the results are passed on to the CAS Consumers. CAS Consumers perform analysis over multiple CASes and generally produce collection-level results in some application-specific data structure.
Processing is started by calling the {@link #process()} method. Processing can be controlled viathe {@link #pause()}, {@link #resume()}, and {@link #stop()} methods.
Listeners can register with the CPE by calling the {@link #addStatusCallbackListener(StatusCallbackListener)} method. These listeners receive statuscallbacks during the processing. At any time, performance and progress reports are available from the {@link #getPerformanceReport()} and {@link #getProgress()} methods.
A CPE implementation may choose to implement parallelization of the processing, but this is not a requirement of the architecture.
Note that a CPE only supports processing one collection at a time. Attempting to start a new processing job while a previous processing job is running will result in an exception. Processing multiple collections simultaneously is done by instantiating and configuring multiple instances of the CPE.
A CollectionProcessingEngine instance can be obtained by calling {@link org.apache.uima.UIMAFramework#produceCollectionProcessingEngine(CpeDescription)}.

Examples of org.apache.uima.collection.CollectionProcessingEngine

    boolean exceptionThrown = false;
    TestStatusCallbackListener listener = null;
    ManageOutputDevice.setAllSystemOutputToNirvana();
    try {
      // setup CPM
      CollectionProcessingEngine cpe = setupCpm(documentCount, "ResourceInitializationException",
              exceptionSequence, "initialize");


      // Create and register a Status Callback Listener
      listener = new CollectionReaderStatusCallbackListener(cpe);
      cpe.addStatusCallbackListener(listener);
      cpe.process();
      // wait until cpm has finished
      while (!listener.isFinished() && !listener.isAborted()) {
        Thread.sleep(5);
      }
    } catch (NullPointerException e) {

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Examples of org.apache.uima.collection.CollectionProcessingEngine

    boolean exceptionThrown = false;
    // setup CPM
    TestStatusCallbackListener listener = null;
    ManageOutputDevice.setAllSystemOutputToNirvana();
    try {
      CollectionProcessingEngine cpe = setupCpm(documentCount, "NullPointerException",
              exceptionSequence, "initialize");


      // Create and register a Status Callback Listener
      listener = new CollectionReaderStatusCallbackListener(cpe);
      cpe.addStatusCallbackListener(listener);
      cpe.process();
      // wait until cpm has finished
      while (!listener.isFinished() && !listener.isAborted()) {
        Thread.sleep(5);
      }
    } catch (NullPointerException e) {

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Examples of org.apache.uima.collection.CollectionProcessingEngine

    boolean errorThrown = false;
    // setup CPM
    TestStatusCallbackListener listener = new TestStatusCallbackListener();
    ManageOutputDevice.setAllSystemOutputToNirvana();
    try {
      CollectionProcessingEngine cpe = setupCpm(documentCount, "OutOfMemoryError",
              exceptionSequence, "initialize");


      // Create and register a Status Callback Listener
      listener = new CollectionReaderStatusCallbackListener(cpe);
      cpe.addStatusCallbackListener(listener);
      cpe.process();
      // wait until cpm has finished
      while (!listener.isFinished() && !listener.isAborted()) {
        Thread.sleep(5);
      }
    } catch (OutOfMemoryError er) {

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Examples of org.apache.uima.collection.CollectionProcessingEngine

  public void testProcessCasWithIOException() throws Exception {
    int documentCount = 20; // number of documents processed
    int exceptionSequence = 3; // the sequence in which errors are produced
    ManageOutputDevice.setAllSystemOutputToNirvana();
    // setup CPM
    CollectionProcessingEngine cpe = setupCpm(documentCount, "IOException", exceptionSequence,
            "processCas");


    // Create and register a Status Callback Listener
    TestStatusCallbackListener listener = new CollectionReaderStatusCallbackListener(cpe);
    cpe.addStatusCallbackListener(listener);
    cpe.process();
    // wait until cpm has finished
    while (!listener.isFinished() && !listener.isAborted()) {
      Thread.sleep(5);
    }
    // check the results, if everything worked as expected

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Examples of org.apache.uima.collection.CollectionProcessingEngine

  public void testProcessCasWithResourceProcessException() throws Exception {
    int documentCount = 20; // number of documents processed
    int exceptionSequence = 3; // the sequence in which errors are produced
    ManageOutputDevice.setAllSystemOutputToNirvana();
    // setup CPM
    CollectionProcessingEngine cpe = setupCpm(documentCount, "ResourceProcessException",
            exceptionSequence, "processCas");


    // Create and register a Status Callback Listener
    TestStatusCallbackListener listener = new CollectionReaderStatusCallbackListener(cpe);
    cpe.addStatusCallbackListener(listener);
    cpe.process();
    // wait until cpm has finished
    while (!listener.isFinished() && !listener.isAborted()) {
      Thread.sleep(5);
    }
    // check the results, if everything worked as expected

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Examples of org.apache.uima.collection.CollectionProcessingEngine

    int documentCount = 20; // number of documents processed
    int exceptionSequence = 3; // the sequence in which errors are produced
    ManageOutputDevice.setAllSystemOutputToNirvana();
    // setup CPM
    CollectionReaderStatusCallbackListener listener = null;
    CollectionProcessingEngine cpe = setupCpm(documentCount, "OutOfMemoryError", exceptionSequence,
            "processCas");


    // Create and register a Status Callback Listener
    listener = new CollectionReaderStatusCallbackListener(cpe);
    cpe.addStatusCallbackListener(listener);
    cpe.process();
    // wait until cpm has finished
    while (!listener.isAborted() && !listener.isFinished()) {
      Thread.sleep(500);
    }

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Examples of org.apache.uima.collection.CollectionProcessingEngine

  public void testProcessCasWithNullPointerException() throws Exception {
    int documentCount = 20; // number of documents processed
    int exceptionSequence = 3; // the sequence in which errors are produced
    ManageOutputDevice.setAllSystemOutputToNirvana();
    // setup CPM
    CollectionProcessingEngine cpe = setupCpm(documentCount, "NullPointerException",
            exceptionSequence, "processCas");


    // Create and register a Status Callback Listener
    TestStatusCallbackListener listener = new CollectionReaderStatusCallbackListener(cpe);
    cpe.addStatusCallbackListener(listener);
    cpe.process();
    // wait until cpm has finished
    while (!listener.isFinished() && !listener.isAborted()) {
      Thread.sleep(5);
    }
    // check the results, if everything worked as expected

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Examples of org.apache.uima.collection.CollectionProcessingEngine

   * @return CollectionProcessingEngine - initialized cpe
   */
  private CollectionProcessingEngine setupCpm(int documentCount, String exceptionName,
          int exceptionSequence, String functionName) {
    CpeDescription cpeDesc = null;
    CollectionProcessingEngine cpe = null;


    try {
      String colReaderBase = JUnitExtension.getFile("CpmTests" + FS + "ErrorTestCollectionReader.xml").getAbsolutePath();
      String taeBase = JUnitExtension.getFile("CpmTests" + FS + "ErrorTestAnnotator.xml").getAbsolutePath();
      String casConsumerBase = JUnitExtension.getFile("CpmTests" + FS + "ErrorTestCasConsumer.xml").getAbsolutePath();

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Examples of org.apache.uima.collection.CollectionProcessingEngine

    CpeDescription cpeDesc = (CpeDescription) objs[0];
    cpeDesc.setProcessingUnitThreadCount(1);
    CpeIntegratedCasProcessor integratedProcessor = (CpeIntegratedCasProcessor) objs[1];
    integratedProcessor.setActionOnMaxError("terminate");
    integratedProcessor.setMaxErrorCount(5);
    CollectionProcessingEngine cpe = UIMAFramework.produceCollectionProcessingEngine(cpeDesc, null,
            null);


    // Create and register a Status Callback Listener
    // listener = new CollectionReaderStatusCallbackListener(cpe);
    cpe.addStatusCallbackListener(listener);
    cpe.process();
    // wait until cpm has finished
    while (!listener.isFinished() && !listener.isAborted()) {
      Thread.sleep(5);
    }

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Examples of org.apache.uima.collection.CollectionProcessingEngine

    cpeDesc.setProcessingUnitThreadCount(1);
    CpeIntegratedCasProcessor integratedProcessor = (CpeIntegratedCasProcessor) objs[1];
    integratedProcessor.setActionOnMaxError("terminate");
    integratedProcessor.setMaxErrorCount(5);
    integratedProcessor.setMaxErrorSampleSize(10);
    CollectionProcessingEngine cpe = UIMAFramework.produceCollectionProcessingEngine(cpeDesc, null,
            null);


    // Create and register a Status Callback Listener
    // listener = new CollectionReaderStatusCallbackListener(cpe);
    cpe.addStatusCallbackListener(listener);
    cpe.process();
    while (!listener.isFinished() && !listener.isAborted()) {
      Thread.sleep(5);


    }

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