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

  public void testProcessWithAnnotatorProcessException() throws Exception {
    int documentCount = 20; // number of document to process
    int exceptionSequence = 4; // the sequence in which errors are produced
    ManageOutputDevice.setAllSystemOutputToNirvana();
    // setup CPM
    CollectionProcessingEngine cpe = setupCpm(documentCount, "AnnotatorProcessException",
            exceptionSequence, "process");


    // Create and register a Status Callback Listener
    TestStatusCallbackListener listener = new CollectionReaderStatusCallbackListener(cpe);
    cpe.addStatusCallbackListener(listener);
    cpeProcessNoMsg(cpe, listener);


    ManageOutputDevice.setAllSystemOutputToDefault();
    // check the results, if everything worked as expected
    assertEquals(

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Examples of org.apache.uima.collection.CollectionProcessingEngine

    int documentCount = 20; // number of documents to process
    int exceptionSequence = 3; // the sequence in which errors are produced
    ManageOutputDevice.setAllSystemOutputToNirvana();


    // setup CPM
    CollectionProcessingEngine cpe = setupCpm(documentCount, "OutOfMemoryException",
            exceptionSequence, "process");


    // Create and register a Status Callback Listener
    TestStatusCallbackListener listener = new CollectionReaderStatusCallbackListener(cpe);
    cpe.addStatusCallbackListener(listener);
    cpeProcessNoMsg(cpe, listener);


    ManageOutputDevice.setAllSystemOutputToDefault();
    // check the results, if everything worked as expected
    assertEquals(

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Examples of org.apache.uima.collection.CollectionProcessingEngine

    int documentCount = 20; // number of documents to process
    int exceptionSequence = 3; // the sequence in which errors are produced
    ManageOutputDevice.setAllSystemOutputToNirvana();


    // setup CPM
    CollectionProcessingEngine cpe = setupCpm(documentCount, "NullPointerException",
            exceptionSequence, "process");


    // Create and register a Status Callback Listener
    TestStatusCallbackListener listener = new CollectionReaderStatusCallbackListener(cpe);
    cpe.addStatusCallbackListener(listener);
    cpeProcessNoMsg(cpe, listener);


    ManageOutputDevice.setAllSystemOutputToDefault();
    // check the results, if everything worked as expected
    assertEquals(

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Examples of org.apache.uima.collection.CollectionProcessingEngine

    ManageOutputDevice.setAllSystemOutputToNirvana();


    TestStatusCallbackListener listener = null;
    try {
      // setup CPM
      CollectionProcessingEngine cpe = setupCpm(documentCount, "NullPointerException",
              exceptionSequence, "initialize");


      // Create and register a Status Callback Listener
      listener = new CollectionReaderStatusCallbackListener(cpe);
      cpe.addStatusCallbackListener(listener);
      cpeProcessNoMsg(cpe, listener);
    } catch (NullPointerException e) {
      // e.printStackTrace();
      exceptionThrown = true;

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Examples of org.apache.uima.collection.CollectionProcessingEngine

    ManageOutputDevice.setAllSystemOutputToNirvana();


    TestStatusCallbackListener listener = null;


    // setup CPM
    CollectionProcessingEngine cpe = setupCpm(documentCount, "OutOfMemoryException",
            exceptionSequence, "initialize");


    // Create and register a Status Callback Listener
    listener = new CollectionReaderStatusCallbackListener(cpe);
    cpe.addStatusCallbackListener(listener);
    cpeProcessNoMsg(cpe, listener);


    ManageOutputDevice.setAllSystemOutputToDefault();
    // check the results, if everything worked as expected
    assertEquals(

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Examples of org.apache.uima.collection.CollectionProcessingEngine

      int documentCount = 20; // number of documents processed
      int exceptionSequence = 5; // the sequence in which errors are produced
      ManageOutputDevice.setAllSystemOutputToNirvana();


      // setup CPM
      CollectionProcessingEngine cpe = setupCpm(documentCount,
            "OutOfMemoryError", exceptionSequence, "getNext");


      // Create and register a Status Callback Listener
      CollectionReaderStatusCallbackListener 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

      int documentCount = 20; // number of documents processed
      int exceptionSequence = 2; // the sequence in which errors are produced
      ManageOutputDevice.setAllSystemOutputToNirvana();


      // setup CPM
      CollectionProcessingEngine cpe = setupCpm(documentCount,
            "CollectionException", exceptionSequence, "getNext");


      // Create and register a Status Callback Listener
      TestStatusCallbackListener listener = new CollectionReaderStatusCallbackListener(
            cpe);
      cpe.addStatusCallbackListener(listener);


      cpeProcessNoMsg(cpe, listener);


      ManageOutputDevice.setAllSystemOutputToDefault();
      // 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
      CollectionProcessingEngine cpe = setupCpm(documentCount, "IOException",
            exceptionSequence, "getNext");


      // Create and register a Status Callback Listener
      TestStatusCallbackListener listener = new CollectionReaderStatusCallbackListener(
            cpe);
      cpe.addStatusCallbackListener(listener);


      cpe.process();


      // wait until cpm has finished
      Date d = new Date();
      long time = d.getTime() + 1000 * TIMEOUT;
      while (!listener.isFinished() && !listener.isAborted()) {
         Thread.sleep(5);
         d = new Date();
         // timeout mechanism
         if (time < d.getTime()) {
            System.out.println("CPM manually aborted!");
            cpe.stop();
            // wait until CPM has aborted
            while (!listener.isAborted()) {
               Thread.sleep(5);
            }
         }

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Examples of org.apache.uima.collection.CollectionProcessingEngine

      int documentCount = 20; // number of documents processed
      int exceptionSequence = 2; // the sequence in which errors are produced
      ManageOutputDevice.setAllSystemOutputToNirvana();


      // setup CPM
      CollectionProcessingEngine cpe = setupCpm(documentCount,
            "NullPointerException", exceptionSequence, "getNext");


      // Create and register a Status Callback Listener
      TestStatusCallbackListener listener = new CollectionReaderStatusCallbackListener(
            cpe);
      cpe.addStatusCallbackListener(listener);


      cpeProcessNoMsg(cpe, listener);


      ManageOutputDevice.setAllSystemOutputToDefault();
      // 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 = 4; // the sequence in which errors are produced
      ManageOutputDevice.setAllSystemOutputToNirvana();


      // setup CPM
      CollectionProcessingEngine cpe = setupCpm(documentCount,
            "OutOfMemoryError", exceptionSequence, "hasNext");


      // Create and register a Status Callback Listener
      CollectionReaderStatusCallbackListener listener = new CollectionReaderStatusCallbackListener(
            cpe);
      cpe.addStatusCallbackListener(listener);


      cpeProcessNoMsg(cpe, listener);


      ManageOutputDevice.setAllSystemOutputToDefault();
      // check the results, if everything worked as expected

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