Examples of org.apache.uima.analysis_engine.AnalysisEngineDescription

org.apache.uima.analysis_engine.AnalysisEngineDescription
An AnalysisEngineDescription contains all of the information needed to instantiate and use an {@link org.apache.uima.analysis_engine.AnalysisEngine}.
The {@link org.apache.uima.UIMAFramework#produceAnalysisEngine(ResourceSpecifier)} factory methodis used to create an AnalysisEngine instance from a AnalysisEngineDescription. This insulates applications from knowledge of the particular AnalysisEngine implementation being used.
The AnalysisEngine Description contains the following information:
For a Primitive AnalysisEngine:
- Name of main annotator class
For an Aggregate AnalysisEngine:
- A set of Resource Specifiers that specify the component AnalysisEngines that comprise the aggregate.
- Optionally, a Resource Specifier for the FlowController component that determines routing of the CAS to the component AnalysisEngines.
For All AnalysisEngines:
- A set of Resource Specifiers that specify the external resources needed by this AnalysisEngine.
- {@link AnalysisEngineMetaData Metadata} for this AnalysisEngine - this includes thecapabilities of this AnalysisEngine, the TypeSystem used by this AnalysisEngine, and other parameters.

    }


    String filePathName = getFile().getLocation().toString();
    XMLInputSource input = new XMLInputSource(is, new File(filePathName));


    AnalysisEngineDescription oldAe = aeDescription;
    TypeSystemDescription oldTsdWithResolvedImports = mergedTypeSystemDescription;


    try {
      parseSource(input, filePathName); // sets isBadXML to false if OK
    } catch (PartInitException e1) { // if user switched the kind of descriptor
      Utility.popMessage(Messages.getString("MultiPageEditor.20"), //$NON-NLS-1$
              getMessagesToRootCause(e1), MessageDialog.ERROR);
      super.setActivePage(sourceIndex);
      return false;
    }


    if (isBadXML)
      return false;


    if (isPrimitive())
      checkForNewlyDirtyTypes(oldTsdWithResolvedImports);


    checkForNewlyStaleSections(oldAe.getAnalysisEngineMetaData(), aeDescription
            .getAnalysisEngineMetaData());
    return true;
  }

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      xmlSerializer.setWriter(writer);
      ContentHandler contentHandler = xmlSerializer.getContentHandler();
      contentHandler.startDocument();
      XMLizable trueDescriptor = getTrueDescriptor();
      if (trueDescriptor instanceof AnalysisEngineDescription) {
        AnalysisEngineDescription aed = (AnalysisEngineDescription) trueDescriptor;
        aed.toXML(contentHandler, true, true);
      } else
        trueDescriptor.toXML(contentHandler, true);
      contentHandler.endDocument();
      writer.close();
      parsedText = writer.toString();

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   * @param aed
   * @return
   */
  public Map getDelegateAEdescriptions(AnalysisEngineDescription aed) {
    Map result = new HashMap();
    AnalysisEngineDescription aedClone = (AnalysisEngineDescription) ((AnalysisEngineDescription_impl) aed)
            .clone();
    try {
      result = aedClone.getDelegateAnalysisEngineSpecifiers(createResourceManager());
    } catch (InvalidXMLException e) {


    }
    return result;
  }

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   * But: resolving does fit. So we name this differently
   * 
   * @throws InvalidXMLException
   */
  public void setResolvedExternalResourcesAndBindings() throws InvalidXMLException {
    AnalysisEngineDescription clonedAe = (AnalysisEngineDescription) aeDescription.clone();
    ResourceManagerConfiguration rmc = clonedAe.getResourceManagerConfiguration();
    if (null != rmc)
      rmc.resolveImports(createResourceManager());
    resolvedExternalResourcesAndBindings = rmc;
  }

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  public ResourceManagerConfiguration getResolvedExternalResourcesAndBindings() {
    return resolvedExternalResourcesAndBindings;
  }


  private void setImportedFsIndexCollection() throws ResourceInitializationException {
    AnalysisEngineDescription localAe = (AnalysisEngineDescription) aeDescription.clone();
    localAe.getAnalysisEngineMetaData().setFsIndexCollection(null);
    importedFsIndexCollection = CasCreationUtils.mergeDelegateAnalysisEngineFsIndexCollections(
            localAe, createResourceManager());
  }

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  // this is all the type priorities, except those locally defined
  // used to distinguish between locally defined and imported ones
  // (only locally defined ones can be edited)
  private void setImportedTypePriorities() throws ResourceInitializationException {
    AnalysisEngineDescription localAe = (AnalysisEngineDescription) aeDescription.clone();
    localAe.getAnalysisEngineMetaData().setTypePriorities(null);
    importedTypePriorities = mergeDelegateAnalysisEngineTypePriorities(localAe,
            createResourceManager());
  }

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   public void changeDelegateParameterSetting(String delegeteKey,
         String groupName, String paramName, Object paramValue)
         throws InvalidXMLException, ResourceInitializationException,
         IOException {
      // create CasConsumer description
      AnalysisEngineDescription aeSpecifier = UIMAFramework.getXMLParser()
            .parseAnalysisEngineDescription(new XMLInputSource(this.descFile));


      // get delegates
      Map delegates = aeSpecifier.getDelegateAnalysisEngineSpecifiers();


      // check if delegeteKey is available
      if (delegates.containsKey(delegeteKey)) {
         // create new import
         AnalysisEngineDescription delegate = (AnalysisEngineDescription) delegates
               .get(delegeteKey);


         if (groupName == null) {
            delegate.getMetaData().getConfigurationParameterSettings()
                  .setParameterValue(paramName, paramValue);
         } else {
            delegate.getMetaData().getConfigurationParameterSettings()
                  .setParameterValue(groupName, paramName, paramValue);
         }
      }


      // produce new AE

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      Map<String, ResourceSpecifier> allSpecs = aggregateDesc.getAllComponentSpecifiers(null);
      FlowControllerDescription fcDesc = (FlowControllerDescription) allSpecs
              .get("TestFlowController");
      assertNotNull(fcDesc);
      assertEquals("MyTestFlowController", fcDesc.getMetaData().getName());
      AnalysisEngineDescription aeDesc = (AnalysisEngineDescription) allSpecs.get("Test");
      assertNotNull(aeDesc);
      assertEquals("Test TAE", aeDesc.getMetaData().getName());
    } catch (Exception e) {
      JUnitExtension.handleException(e);
    }


  }

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  protected void _testInvalidDescriptor(File aFile) throws IOException {
    assertTrue(aFile.exists());
    XMLInputSource in = new XMLInputSource(aFile);
    Exception ex = null;
    try {
      AnalysisEngineDescription desc = UIMAFramework.getXMLParser().parseAnalysisEngineDescription(in);
      desc.doFullValidation();
    } catch (InvalidXMLException e) {
      // e.printStackTrace();
      ex = e;
    } catch (ResourceInitializationException e) {
      // e.printStackTrace();

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              + pathSep
              + JUnitExtension.getFile("FsIndexCollectionImplTest/dataPathDir").getAbsolutePath());


      File taeDescriptorWithImport = JUnitExtension
              .getFile("CasCreationUtilsTest/AggregateTaeWithImports.xml");
      AnalysisEngineDescription desc = UIMAFramework.getXMLParser().parseAnalysisEngineDescription(
              new XMLInputSource(taeDescriptorWithImport));
      ArrayList<AnalysisEngineDescription> mdList = new ArrayList<AnalysisEngineDescription>();
      mdList.add(desc);
      CAS tcas = CasCreationUtils.createCas(mdList, UIMAFramework
              .getDefaultPerformanceTuningProperties(), resMgr);
      // check that imports were resolved correctly
      assertNotNull(tcas.getTypeSystem().getType("DocumentStructure"));
      assertNotNull(tcas.getTypeSystem().getType("NamedEntity"));
      assertNotNull(tcas.getTypeSystem().getType("TestType3"));
      assertNotNull(tcas.getTypeSystem().getType("Sentence"));


      assertNotNull(tcas.getIndexRepository().getIndex("TestIndex"));
      assertNotNull(tcas.getIndexRepository().getIndex("ReverseAnnotationIndex"));
      assertNotNull(tcas.getIndexRepository().getIndex("DocumentStructureIndex"));


      // Check elementType and multipleReferencesAllowed for array feature
      Feature arrayFeat = tcas.getTypeSystem().getFeatureByFullName("Paragraph:sentences");
      assertNotNull(arrayFeat);
      assertFalse(arrayFeat.isMultipleReferencesAllowed());
      Type sentenceArrayType = arrayFeat.getRange();
      assertNotNull(sentenceArrayType);
      assertTrue(sentenceArrayType.isArray());
      assertEquals(tcas.getTypeSystem().getType("Sentence"), sentenceArrayType.getComponentType());


      Feature arrayFeat2 = tcas.getTypeSystem().getFeatureByFullName(
              "Paragraph:testMultiRefAllowedFeature");
      assertNotNull(arrayFeat2);
      assertTrue(arrayFeat2.isMultipleReferencesAllowed());


      // test imports aren't resolved more than once
      Object spec1 = desc.getDelegateAnalysisEngineSpecifiers().get("Annotator1");
      assertNotNull(spec1);
      Object spec2 = desc.getDelegateAnalysisEngineSpecifiers().get("Annotator1");
      assertTrue(spec1 == spec2);


      // test removal
      desc.getDelegateAnalysisEngineSpecifiersWithImports().remove("Annotator1");
      assertTrue(desc.getDelegateAnalysisEngineSpecifiers().isEmpty());
    } catch (Exception e) {
      JUnitExtension.handleException(e);
    }
  }

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