Examples of org.apache.uima.jcas.JCas

org.apache.uima.jcas.JCas
Java Cover Classes based Object-oriented CAS (Common Analysis System) API.
A JCas object provides the starting point for working with the CAS using Java Cover Classes for each type, generated by the utility JCasGen.
This interface extends the CAS Interface, providing all the same functionality, plus some specific to the JCas.
It supports the creation of new instances of CAS types, using the normal Java "new" operator.
You can create a JCas object from a CAS object by calling the getJCas() method on the CAS object.

   *
   */
  public static JCas executeAE(AnalysisEngine ae, String docText)
          throws AnalysisEngineProcessException, ResourceInitializationException {
    // create a JCas, given an Analysis Engine (ae)
    JCas jcas = ae.newJCas();


    // analyze a document
    jcas.setDocumentText(docText);
    ProcessTrace pt = ae.process(jcas);


    // analyze results
    for (ProcessTraceEvent e : pt.getEvents()) {
      if (e != null && e.getResultMessage() != null && e.getResultMessage().contains("error")) {

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        if (!after) {
          result.moveToPrevious();
        }
      }
    } else {
      JCas jcas = null;
      try {
        jcas = cas.getJCas();
      } catch (CASException e) {
        e.printStackTrace();
      }

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  private AnnotationFS getPrefixAnnotation(RuleMatch ruleMatch, RutaStream stream) {
    AnnotationFS lastMatchedAnnotation = ruleMatch.getLastMatchedAnnotation(this, true, null,
            parent, stream);
    if (lastMatchedAnnotation.getBegin() == 0) {
      JCas jCas = stream.getJCas();
      AnnotationFS dummy = new RutaFrame(jCas, 0, 0);
      return dummy;
    }
    return stream.getEndAnchor(lastMatchedAnnotation.getBegin());
  }

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  public void testMissingFeatureInCas() throws Exception {
    try {
      // jcasCasMisMatch(CASTestSetup.BAD_MISSING_FEATURE_IN_CAS, CASException.JCAS_INIT_ERROR);
      CAS localCas;
      TypeSystem ts;
      JCas localJcas = null;
      boolean errFound = false;
      try {
        localCas = CASInitializer.initCas(new CASTestSetup(CASTestSetup.BAD_MISSING_FEATURE_IN_CAS));
        ts = this.cas.getTypeSystem();
        try {

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  public void jcasCasMisMatch(int testId, String expectedErr) throws Exception {
    try {
      CAS localCas;
      TypeSystem ts;
      JCas localJcas;
      boolean errFound = false;
      try {
        localCas = CASInitializer.initCas(new CASTestSetup(testId));
        ts = this.cas.getTypeSystem();
        try {

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  public void test2CASs() throws Exception {
    try {
      try {
        CAS cas2 = CASInitializer.initCas(new CASTestSetup());
        TypeSystem ts2 = cas2.getTypeSystem();
        JCas jcas2 = cas2.getJCas();
        assertTrue(jcas.getType(Annotation.type) != jcas2.getType(Annotation.type));
      } catch (Exception e) {
        checkOkMissingImport(e);
      }
    } catch (Exception e) {
      JUnitExtension.handleException(e);

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    }
  }
  
  public void testUndefinedType() throws Exception {
    //create jcas with no type system
    JCas jcas = CasCreationUtils.createCas(new TypeSystemDescription_impl(), null, null).getJCas();
    jcas.setDocumentText("This is a test.");
    try {
      //this should throw an exception
      jcas.getType(Sentence.type);
      fail(); 
    } catch(CASRuntimeException e) {
    }
    //check that this does not leave JCAS in an inconsistent state
    //(a check for bug UIMA-738)
    Iterator<Annotation> iter = jcas.getAnnotationIndex().iterator();
    assertTrue(iter.hasNext());
    Annotation annot = iter.next();
    assertEquals("This is a test.", annot.getCoveredText());
  }

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   * @return a JCas instance. Returns <code>null</code> if none are available within the specified
   *         timeout period.
   */
  public synchronized JCas getJCas(long aTimeout) {
    long startTime = new Date().getTime();
    JCas cas;
    while ((cas = getJCas()) == null) {
      try {
        wait(aTimeout);
      } catch (InterruptedException e) {
      }

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          throws ResourceInitializationException {
    // fill the pool
    ArrayList<ProcessingResourceMetaData> mdList = new ArrayList<ProcessingResourceMetaData>();
    mdList.add(aMetaData);
    for (int i = 0; i < mNumInstances; i++) {
      JCas c;
      try {
        c = CasCreationUtils.createCas(mdList).getJCas();
      } catch (CASException e) {
        throw new ResourceInitializationException(e);
      }

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    assertFalse(iter.hasNext());  
    this.cas.setCurrentComponentInfo(null);
    
    //repeat with JCas
    this.cas.reset();
    JCas jcas = this.cas.getJCas();
    JCas jview1 = jcas.createView("View1");
    JCas jview2 = jcas.createView("View2");
    Iterator<JCas> jCasIter = jcas.getViewIterator();
    assertEquals(jcas, jCasIter.next());
    assertEquals(jview1, jCasIter.next());
    assertEquals(jview2, jCasIter.next());
    assertFalse(jCasIter.hasNext());
    
    JCas jviewE1 = jcas.createView("EnglishDocument");
    JCas jviewE2 = jcas.createView("EnglishDocument.2");
    jCasIter = jcas.getViewIterator("EnglishDocument");
    assertEquals(jviewE1, jCasIter.next());
    assertEquals(jviewE2, jCasIter.next());
    assertFalse(jCasIter.hasNext());

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