Examples of org.apache.uima.analysis_engine.AnalysisEngine.processAndOutputNewCASes()

Class org.apache.uima.analysis_engine.AnalysisEngine

Examples of org.apache.uima.analysis_engine.AnalysisEngine.processAndOutputNewCASes()

org.apache.uima.analysis_engine.AnalysisEngine.processAndOutputNewCASes()
Processes a CAS, possibly producing multiple CASes as a result. The application uses the {@link CasIterator} interface to step through the output CASes.
If this Analysis Engine does not produce output CASes, then the CasIterator will return no elements. You can check if an AnalysisEngine is capable of producing output CASes by checking the {@link org.apache.uima.resource.metadata.OperationalProperties#getOutputsNewCASes()}operational property (getAnalysisEngineMetaData().getOperationalProperties().getOutputsNewCASes()).
Once this method is called, the AnalysisEngine "owns" aCAS until such time as the {@link CasIterator#hasNext()} method returns false. That is, the caller should not attemptto modify or access the input CAS until it has read all of the elements from the CasIterator. If the caller wants to abort the processing before having read all of the output CASes, it may call {@link CasIterator#release()}, which will stop further processing from occurring, and ownership of aCAS will revert to the caller. @param aCAS the CAS to be processed @return an object for iterating through any output CASes @throws AnalysisEngineProcessException if a failure occurs during processing

      assertFalse(sdiIter.hasNext());
      // --
      assertFalse(iter.hasNext());


      // input third CAS. We should get back one more segment.
      iter = ae.processAndOutputNewCASes(inputCas3);
      assertTrue(iter.hasNext());
      outCas = iter.next();
      assertEquals("This is two.", outCas.getDocumentText());
      // -- check SourceDocumentInformation FSs
      sdiIter = outCas.getAnnotationIndex(sdiType).iterator();

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      if (ae == null) // timeout elapsed
      {
        throw new AnalysisEngineProcessException(AnalysisEngineProcessException.TIMEOUT_ELAPSED,
                new Object[] { Integer.valueOf(getTimeout()) });
      }       
      return ae.processAndOutputNewCASes(aCAS);
    } finally {
      if (ae != null) {
        mPool.releaseAnalysisEngine(ae);
      }
      exitProcess(); // stop timer for collecting performance stats

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      //  Start the heap dump timer. This timer is only started if explicitly enabled
      //  via System property: -DheapDumpThreshold=<x> where is number of seconds the 
      //  method is allowed to complete. If the method is not complete in allowed window
      //  the heap and stack trace dump of all threads will be produced.
      stackDumpTimer = ifEnabledStartHeapDumpTimer();
      CasIterator casIterator = ae.processAndOutputNewCASes(aCAS);
      if ( stackDumpTimer != null ) {
        stackDumpTimer.cancel();
        stackDumpTimer = null;   // nullify timer instance so that we dont have to worry about
          // it in case an exception happens below
      }

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    try {
      // Checkout an instance of AE from the pool
      ae = aeInstancePool.checkout();
      // Get input CAS entry from the InProcess cache
      long time = super.getCpuTime();
      CasIterator casIterator = ae.processAndOutputNewCASes(aCAS);
      // Store how long it took to call processAndOutputNewCASes()
      totalProcessTime = (super.getCpuTime() - time);
      long sequence = 1;
      long hasNextTime = 0; // stores time in hasNext()
      long getNextTime = 0; // stores time in next();

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        return;
      }
      long time = System.nanoTime();
      long totalProcessTime = 0;  // stored total time spent producing ALL CASes
      CasIterator casIterator = ae.processAndOutputNewCASes(aCAS);
      //  Store how long it took to call processAndOutputNewCASes()
      totalProcessTime = ( System.nanoTime() - time);
      long sequence = 1;
      String newCasReferenceId = null;
      long hasNextTime = 0;         // stores time in hasNext()

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      CAS initialCas = ae.newCAS();
      initialCas.setDocumentText(document);


      // pass the CAS to the AnalysisEngine and get back
      // a CasIterator for stepping over the output CASes that are produced.
      CasIterator casIterator = ae.processAndOutputNewCASes(initialCas);
      while (casIterator.hasNext()) {
        CAS outCas = casIterator.next();


        // dump the document text and annotations for this segment
        System.out.println("********* NEW SEGMENT *********");

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      {
        throw new AnalysisEngineProcessException(AnalysisEngineProcessException.TIMEOUT_ELAPSED,
                new Object[] { new Integer(getTimeout()) });
      }


      return ae.processAndOutputNewCASes(aCAS);
    } finally {
      if (ae != null) {
        mPool.releaseAnalysisEngine(ae);
      }
      exitProcess(); // stop timer for collecting performance stats

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              String nextAeKey = ((SimpleStep) nextStep).getAnalysisEngineKey();
              AnalysisEngine nextAe = (AnalysisEngine) mComponentAnalysisEngineMap.get(nextAeKey);
              if (nextAe != null) {
                // invoke next AE in flow
                CasIterator casIter;
                casIter = nextAe.processAndOutputNewCASes(cas);
                if (casIter.hasNext()) // new CASes are output
                {
                  // get the first output CAS
                  CAS outputCas = casIter.next();
                  // push the CasIterator, original CAS, and Flow onto a stack so we

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                      new XMLInputSource(JUnitExtension
                              .getFile("TextAnalysisEngineImplTest/NewlineSegmenter.xml")));
      AnalysisEngine tae = UIMAFramework.produceAnalysisEngine(segmenterDesc);
      CAS cas = tae.newCAS();
      cas.setDocumentText("Line one\nLine two\nLine three");
      CasIterator iter = tae.processAndOutputNewCASes(cas);
      assertTrue(iter.hasNext());
      CAS outCas = iter.next();
      assertEquals("Line one", outCas.getDocumentText());
      outCas.release();
      assertTrue(iter.hasNext());

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                      new XMLInputSource(JUnitExtension
                              .getFile("TextAnalysisEngineImplTest/AggregateWithSegmenter.xml")));
      tae = UIMAFramework.produceAnalysisEngine(aggSegDesc);
      cas = tae.newCAS();
      cas.setDocumentText("Line one\nLine two\nLine three");
      iter = tae.processAndOutputNewCASes(cas);
      assertTrue(iter.hasNext());
      outCas = iter.next();
      assertEquals("Line one", outCas.getDocumentText());
      assertEquals("Line one", TestAnnotator.lastDocument);
      outCas.release();

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