Examples of org.apache.uima.cas_data.FeatureStructure

org.apache.uima.cas_data.FeatureStructure
An object in the CAS. Each FeatureStructure has an optional ID, a type (represented as a string), and a collection of features, which are attribute-value pairs. Feature names are strings, and their values may be primitives (String, integer, float) or references (via ID) to another FeatureStructures. Circular references are allowed.
Arrays are represented by the subtypes {@link PrimitiveArrayFS} and {@link ReferenceArrayFS}. Arrays are not primitive values. This means that if the value of a feature is conceptually, for example, an integer array, this will be represented in the CasData as a reference, via ID, to a PrimitiveArrayFS object that actually contains the integer array value.
FeatureStructures also have a property indexed, which determines whether the FeatureStructure should be added to the CAS's indexes if the CAS Data is converted to a CAS Object. The CasData itself does not provide indexes.

    TypeSystemDescription result = UIMAFramework.getResourceSpecifierFactory()
            .createTypeSystemDescription();
    Iterator iter = aCasData.getFeatureStructures();
    ArrayList typesArr = new ArrayList();
    while (iter.hasNext()) {
      FeatureStructure casFS = (FeatureStructure) iter.next();
      TypeDescription newType = UIMAFramework.getResourceSpecifierFactory().createTypeDescription();
      newType.setName(casFS.getType());
      newType.setSupertypeName("uima.tcas.annotation");
      newType.setDescription("CasData Type");
      String features[] = casFS.getFeatureNames();
      if (features != null) {
        for (int i = 0; i < features.length; i++) {
          String featName = features[i];
          String rangeName = "";
          String description = "";
          PrimitiveValue pVal = (PrimitiveValue) casFS.getFeatureValue(featName);
          if (pVal.get().getClass().getName().equals("java.lang.String")) {
            System.out.println(" the feature is a String ");
            rangeName = "uima.cas.String";
            description = " featue of the casDataType";
          }

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      // System.out.println(casData);
      Iterator fsIter = casData.getFeatureStructures();
      boolean foundCrawlUrl = false;
      while (fsIter.hasNext()) {
        FeatureStructure fs = (FeatureStructure) fsIter.next();
        if ("Crawl_colon_URL".equals(fs.getType())) {
          // System.out.println("[" + fs.getFeatureValue("value") + "]");
          Assert
                  .assertEquals(
                          "http://www.nolimitmedia.com/index.php?act=group&gro=1&gron=Flash&PHPSESSID=5dcc31fb425c4a204b70d9eab92531a5",
                          fs.getFeatureValue("value").toString());
          foundCrawlUrl = true;
        }
      }
      assertTrue(foundCrawlUrl);
    } catch (Exception e) {

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  public static boolean hasFeature(CasData aCAS, String featureName) {
    Iterator<FeatureStructure> it = aCAS.getFeatureStructures();
    while (it.hasNext()) {
      Object object = it.next();
      if (object instanceof FeatureStructure) {
        FeatureStructure fs = (FeatureStructure) object;
        FeatureValue fValue = fs.getFeatureValue(featureName);
        if (fValue != null) {
          return true;
        }
      }
    }

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  public static boolean hasFeatureStructure(CasData aCAS, String aName) {
    Iterator<FeatureStructure> it = aCAS.getFeatureStructures();
    while (it.hasNext()) {
      Object object = it.next();
      if (object instanceof FeatureStructure) {
        FeatureStructure fs = (FeatureStructure) object;
        if (fs.getType().equals(aName)) {
          return true;
        }
      }
    }
    return false;

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  public static void dumpFeatures(CasData aCAS) {
    Iterator<FeatureStructure> it = aCAS.getFeatureStructures();
    while (it.hasNext()) {
      Object object = it.next();
      if (object instanceof FeatureStructure) {
        FeatureStructure fs = (FeatureStructure) object;
        UIMAFramework.getLogger(CLASS_NAME).logrb(Level.FINE, CLASS_NAME.getName(), "dumpFeatures",
                LOG_RESOURCE_BUNDLE, "UIMA_cas_feature_structure_type__FINE", fs.getType());


        String[] names = fs.getFeatureNames();
        for (int i = 0; names != null && i < names.length; i++) {
          FeatureValue fValue = fs.getFeatureValue(names[i]);
          if (fValue != null) {
            UIMAFramework.getLogger(CLASS_NAME).logrb(Level.FINE, CLASS_NAME.getName(),
                    "dumpFeatures", LOG_RESOURCE_BUNDLE, "UIMA_cas_feature_name__FINE",
                    new Object[] { names[i], fValue.toString() });
          }

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    Iterator<FeatureStructure> it = aCAS.getFeatureStructures();
    String featureValue = null;
    while (it.hasNext()) {
      Object object = it.next();
      if (object instanceof FeatureStructure) {
        FeatureStructure fs = (FeatureStructure) object;
        if (System.getProperty("DEBUG") != null)
          System.out.println("FeatureName::::::::::::::::::::::::::::::::::::::::::>"
                  + fs.getType() + " Searching For::" + featureName);
        if (featureName.equals(fs.getType())) {
          String[] names = fs.getFeatureNames();
          for (int i = 0; names != null && i < names.length; i++) {
            if (System.getProperty("DEBUG") != null)
              System.out.println("Feature Structure:::" + fs.getType() + " Has Value::" + names[i]);
          }


          if ("uima.cpm.DocumentText".equals(featureName) || "UTF8:UTF8Content".equals(featureName)) {
            FeatureValue fValue = fs.getFeatureValue("value");
            if (fValue == null) {
              return null;
            }
            return fValue.toString();
          } else if ("Detag:DetagContent".equals(featureName)) {
            FeatureValue fValue = fs.getFeatureValue("Doc:SpannedText");
            if (fValue == null) {
              return null;
            }
            return fValue.toString();


          }
          FeatureValue fValue = fs.getFeatureValue(featureName);
          if (fValue != null) {
            featureValue = fValue.toString();
            break;
          }
        }

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    String featureValue = null;
    Vector<String> v = new Vector<String>();
    while (it.hasNext()) {
      Object object = it.next();
      if (object instanceof FeatureStructure) {
        FeatureStructure fs = (FeatureStructure) object;
        if (featureStructureName.equals(fs.getType())) {
          String[] names = fs.getFeatureNames();
          for (int i = 0; names != null && i < names.length; i++) {
            if (names[i].equals(featureName)) {
              FeatureValue fValue = fs.getFeatureValue(featureName);
              if (fValue != null) {
                featureValue = fValue.toString();
                v.add(featureValue);
              }
            }

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    String featureValue = null;
    while (it.hasNext()) {
      Object object = it.next();
      if (object instanceof FeatureStructure
              && ((FeatureStructure) object).getType().equals(aFeatureStructure)) {
        FeatureStructure fs = (FeatureStructure) object;
        FeatureValue fValue = fs.getFeatureValue(featureName);
        if (fValue != null) {
          featureValue = fValue.toString();
          break;
        }
      }

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    while (it.hasNext()) {
      Object object = it.next();
      if (object instanceof FeatureStructure
              && ((FeatureStructure) object).getType().equals(aFeatureStructureName)) {
        FeatureStructure fs = (FeatureStructure) object;
        String[] featureNames = fs.getFeatureNames();
        if (featureNames == null) {
          // return empty set
          return new NameValuePair[0];
        }
        valuePairSet = new NameValuePair[featureNames.length];
        for (int i = 0; i < featureNames.length; i++) {
          valuePairSet[i] = new NameValuePair_impl();
          valuePairSet[i].setName(featureNames[i]);
          valuePairSet[i].setValue(fs.getFeatureValue(featureNames[i]).toString());
          // System.out.println("DATACasUtils.getCasDataFeatures()-Name::"+valuePairSet[i].getName()+"
          // Value:::"+valuePairSet[i].getValue().toString());
        }
      }
    }

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    }


    // iterate over FSs and generate XCAS
    Iterator<FeatureStructure> iter = aCasData.getFeatureStructures();
    while (iter.hasNext()) {
      FeatureStructure fs = iter.next();
      if (mTypesToFilter == null || !mTypesToFilter.contains(fs.getType())) {
        _generate(fs, docTextHolder);
      }
    }


    // end enclosing CAS tag

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