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


      // input first CAS. Should be no segments yet.
      CasIterator iter = ae.processAndOutputNewCASes(inputCas1);
      assertFalse(iter.hasNext());
      // input second CAS. We should get back one segment.
      iter = ae.processAndOutputNewCASes(inputCas2);
      assertTrue(iter.hasNext());
      CAS outCas = iter.next();
      assertEquals("This is one.", outCas.getDocumentText());
      // -- check SourceDocumentInformation FSs
      Iterator<AnnotationFS> sdiIter = outCas.getAnnotationIndex(sdiType).iterator();

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      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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                }
                // invoke next AE in flow
                CasIterator casIter = null;
                CAS outputCas = null; //used if the AE we call outputs a new CAS
                try {
                  casIter = nextAe.processAndOutputNewCASes(cas);
                  if (casIter.hasNext()) {
                    outputCas = casIter.next();
                  }
                }
                catch(Exception e) {

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                if (nextAe != null) {
                  // invoke next AE in flow
                  CasIterator casIter = null;
                  CAS outputCas = null; //used if the AE we call outputs a new CAS
                  try {
                    casIter = nextAe.processAndOutputNewCASes(cas);
                    if (casIter.hasNext()) {
                      outputCas = casIter.next();
                    }
                  }
                  catch(Exception e) {

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    aggregate.setPrimitive(false);
    aggregate.getDelegateAnalysisEngineSpecifiersWithImports().put("reader", reader);
    aggregate.getDelegateAnalysisEngineSpecifiersWithImports().put("analyzer", analyzer);


    AnalysisEngine pipeline = UIMAFramework.produceAnalysisEngine(aggregate);
    CasIterator iterator = pipeline.processAndOutputNewCASes(pipeline.newCAS());
    while (iterator.hasNext()) {
      CAS cas = iterator.next();
      System.out.printf("[%s] is [%s]%n", cas.getDocumentText(), cas.getDocumentLanguage());
    }
  }

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            .setMultipleDeploymentAllowed(false);
    aggregate.getDelegateAnalysisEngineSpecifiersWithImports().put("reader", reader);
    aggregate.getDelegateAnalysisEngineSpecifiersWithImports().put("analyzer", analyzer);


    AnalysisEngine pipeline = UIMAFramework.produceAnalysisEngine(aggregate);
    CasIterator iterator = pipeline.processAndOutputNewCASes(pipeline.newCAS());
    while (iterator.hasNext()) {
      CAS cas = iterator.next();
      System.out.printf("[%s] is [%s]%n", cas.getDocumentText(), cas.getDocumentLanguage());
    }
  }

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

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

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                      new XMLInputSource(JUnitExtension
                              .getFile("TextAnalysisEngineImplTest/AggregateWith2Segmenters.xml")));
      ae = UIMAFramework.produceAnalysisEngine(twoSegDesc);
      cas = ae.newCAS();
      cas.setDocumentText("One\tTwo\nThree\tFour");
      iter = ae.processAndOutputNewCASes(cas);
      assertTrue(iter.hasNext());
      outCas = iter.next();
      assertEquals("One", outCas.getDocumentText());
      assertEquals("One", TestAnnotator.lastDocument);
      outCas.release();

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