Examples of org.apache.uima.cas.AbstractCas

org.apache.uima.cas.AbstractCas
The base interface extended by all CAS (Common Analysis System) interfaces in the UIMA SDK. A CAS is an object that provides access to an artifact and metadata about that artifact. Analysis Components, such as Annotators, read from a CAS interface in order to do their analysis and may write new metadata back to the CAS interface.
The UIMA SDK provides the CAS interfaces {@link org.apache.uima.jcas.JCas} and{@link org.apache.uima.cas.CAS}, but in future versions, other CAS interfaces may be available.

   * @return CAS returned by the analysis component
   */
  protected CAS callAnalysisComponentNext() throws AnalysisEngineProcessException,
          ResultNotSupportedException {
    try {
      AbstractCas absCas = mAnnotator.next();
      getMBean().incrementCASesProcessed();
      // notify UimaContext that a CAS was returned -- it uses
      // this information to track how many CASes the AnalysisComponent
      // is using at any one time.
      ((UimaContext_ImplBase) getUimaContext()).returnedCAS(absCas);

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        if (!mSofaAware) {
          view = aCAS.getView(CAS.NAME_DEFAULT_SOFA);
        }
        // now get the right interface(e.g. CAS or JCAS)
        Class<? extends AbstractCas> requiredInterface = mAnalysisComponent.getRequiredCasInterface();
        AbstractCas casToPass = getCasManager().getCasInterface(view, requiredInterface);


        // check if there was a change in the ResultSpecification or in
        // the TypeSystem. If so, set the changed type system into the ResultSpecification and
        // inform the component
        if (mResultSpecChanged || mLastTypeSystem != view.getTypeSystem()) {

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   * @return CAS returned by the analysis component
   */
  protected CAS callAnalysisComponentNext() throws AnalysisEngineProcessException,
          ResultNotSupportedException {
    try {
      AbstractCas absCas = mAnalysisComponent.next();
      getMBean().incrementCASesProcessed();
      // notify UimaContext that a CAS was returned -- it uses
      // this information to track how many CASes the AnalysisComponent
      // is using at any one time.
      ((UimaContext_ImplBase) getUimaContext()).returnedCAS(absCas);

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      if (!mSofaAware) {
        view = newCAS.getView(CAS.NAME_DEFAULT_SOFA);
      }
      // now get the right interface(e.g. CAS or JCAS)
      Class requiredInterface = mFlowControllerContainer.getRequiredCasInterface();
      AbstractCas casToPass = getCasManager().getCasInterface(view, requiredInterface);


      ((CASImpl)newCAS).switchClassLoaderLockCasCL(getFlowClassLoader());
      Flow flow = mFlow.newCasProduced(casToPass, producedBy);
      return new FlowContainer(flow, mFlowControllerContainer, newCAS);
    } finally {

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        // Get the right type of CAS and call the AnalysisComponent's
        // process method
        CAS baseCas = ((CASImpl) aCAS).getBaseCAS();
        Class requiredInterface = mAnnotator.getRequiredCasInterface();
        AbstractCas casToPass = getCasManager().getCasInterface(baseCas, requiredInterface);
        mAnnotator.process(casToPass);
        getMBean().incrementCASesProcessed();
      } catch (Exception e) {
        if (e instanceof AnalysisEngineProcessException) {
          throw e;

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   * @return CAS returned by the analysis component
   */
  protected CAS callAnalysisComponentNext() throws AnalysisEngineProcessException,
          ResultNotSupportedException {
    try {
      AbstractCas absCas = mAnnotator.next();
      getMBean().incrementCASesProcessed();
      // notify UimaContext that a CAS was returned -- it uses
      // this information to track how many CASes the AnalysisComponent
      // is using at any one time.
      ((UimaContext_ImplBase) getUimaContext()).returnedCAS(absCas);

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        if (!mSofaAware) {
          view = aCAS.getView(CAS.NAME_DEFAULT_SOFA);
        }
        // now get the right interface(e.g. CAS or JCAS)
        Class requiredInterface = mAnalysisComponent.getRequiredCasInterface();
        AbstractCas casToPass = getCasManager().getCasInterface(view, requiredInterface);


        // check if there was a change in the ResultSpecification or in
        // the TypeSystem. If so, recompile the ResultSpecification and
        // inform the component
        if (mResultSpecChanged || mLastTypeSystem != view.getTypeSystem()) {

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   * @return CAS returned by the analysis component
   */
  protected CAS callAnalysisComponentNext() throws AnalysisEngineProcessException,
          ResultNotSupportedException {
    try {
      AbstractCas absCas = mAnalysisComponent.next();
      getMBean().incrementCASesProcessed();
      // notify UimaContext that a CAS was returned -- it uses
      // this information to track how many CASes the AnalysisComponent
      // is using at any one time.
      ((UimaContext_ImplBase) getUimaContext()).returnedCAS(absCas);

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      if (!mSofaAware) {
        view = aCAS.getView(CAS.NAME_DEFAULT_SOFA);
      }
      // now get the right interface(e.g. CAS or JCAS)
      Class requiredInterface = mFlowController.getRequiredCasInterface();
      AbstractCas casToPass = getCasManager().getCasInterface(view, requiredInterface);    
      ((CASImpl)aCAS).switchClassLoaderLockCasCL(this.getResourceManager().getExtensionClassLoader());
      Flow flow = mFlowController.computeFlow(casToPass);
      return new FlowContainer(flow, this, aCAS);
    } finally {
      ((CASImpl)aCAS).restoreClassLoaderUnlockCas();

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Related Classes of org.apache.uima.cas.AbstractCas

org.apache.uima.analysis_engine.asb.impl.FlowContainer

org.apache.uima.analysis_engine.asb.impl.FlowControllerContainer

org.apache.uima.analysis_engine.impl.PrimitiveAnalysisEngine_impl

org.apache.uima.analysis_engine.impl.UimacppAnalysisEngineImpl

org.apache.uima.impl.Util

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