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.

   */
  public static long getByteCount(CasData aDataCas) throws Exception {
    long byteCount = 0;
    Iterator it = aDataCas.getFeatureStructures();
    while (it.hasNext()) {
      FeatureStructure fs = (FeatureStructure) it.next();
      FeatureValue value = null;
      String[] keys = fs.getFeatureNames();


      for (int i = 0; i < keys.length; i++) {
        value = fs.getFeatureValue(keys[i]);
        if (value == null) {
          continue;
        }
        byteCount += value.toString().length();
      }

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  public static boolean hasFeature(CasData aCAS, String featureName) {
    Iterator 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 it = aCAS.getFeatureStructures();
    while (it.hasNext()) {
      Object object = it.next();
      if (object instanceof FeatureStructure) {
        FeatureStructure fs = (FeatureStructure) object;
        String type = StringUtils.replaceAll(fs.getType(), Constants.LONG_COLON_TERM,
                Constants.SHORT_COLON_TERM);
        if (type.equals(aName)) {
          return true;
        }
      }

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  public static void dumpFeatures(CasData aCAS) {
    Iterator it = aCAS.getFeatureStructures();
    while (it.hasNext()) {
      Object object = it.next();
      if (object instanceof FeatureStructure) {
        FeatureStructure fs = (FeatureStructure) object;
        if (UIMAFramework.getLogger().isLoggable(Level.FINEST)) {
          UIMAFramework.getLogger(DATACasUtils.class).logrb(Level.FINEST,
                  DATACasUtils.class.getName(), "process", CPMUtils.CPM_LOG_RESOURCE_BUNDLE,
                  "UIMA_CPM_show_cas_fs_type__FINEST",
                  new Object[] { Thread.currentThread().getName(), 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) {
            if (UIMAFramework.getLogger().isLoggable(Level.FINEST)) {
              UIMAFramework.getLogger(DATACasUtils.class)
                      .logrb(
                              Level.FINEST,

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    Iterator it = aCAS.getFeatureStructures();
    String featureValue = null;
    while (it.hasNext()) {
      Object object = it.next();
      if (object instanceof FeatureStructure) {
        FeatureStructure fs = (FeatureStructure) object;
        if (System.getProperty("SHOWFEATURES") != null) {
          UIMAFramework.getLogger(DATACasUtils.class).logrb(Level.FINEST,
                  DATACasUtils.class.getName(), "process", CPMUtils.CPM_LOG_RESOURCE_BUNDLE,
                  "UIMA_CPM_search_cas_by_value__FINEST",
                  new Object[] { Thread.currentThread().getName(), featureName, fs.getType() });
        }
        if (featureName.equals(fs.getType())) {
          String[] names = fs.getFeatureNames();
          for (int i = 0; names != null && i < names.length; i++) {
            if (System.getProperty("SHOWFEATURES") != null) {
              UIMAFramework.getLogger(DATACasUtils.class).logrb(Level.FINEST,
                      DATACasUtils.class.getName(), "process", CPMUtils.CPM_LOG_RESOURCE_BUNDLE,
                      "UIMA_CPM_show_type_value__FINEST",
                      new Object[] { Thread.currentThread().getName(), names[i], fs.getType() });
            }


          }


          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;
          }
        }

View Full Code Here

    String featureValue = null;
    Vector v = new Vector();
    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);
              }
            }

View Full Code Here


    Iterator it = aDataCas.getFeatureStructures();
    while (it.hasNext()) {
      Object object = it.next();
      if (object instanceof FeatureStructure) {
        FeatureStructure fs = (FeatureStructure) object;
        if ((cf = aFeatureMap.get(fs.getType())) != null) {
          fs.setType(cf.getNewFeatureName());
          if (cf.attributeListSize() > 0) {
            String[] featureNameList = fs.getFeatureNames();
            for (int i = 0; featureNameList != null && i < featureNameList.length; i++) {
              if (cf.getOldAttributeValue(featureNameList[i]) != null) {
                FeatureValue fv = fs.getFeatureValue(featureNameList[i]);
                // fs.removeFeature(featureNameList[i]);
                fs.setFeatureValue(cf.getNewAttributeValue(featureNameList[i]), fv);
              }
            }
          }
        }
      }

View Full Code Here


    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());
        }
      }
    }
    return valuePairSet;
  }

View Full Code Here

   */
  private FeatureStructure getDocTextFeatureStructure(CasData aCasData) {
    Iterator fsIterator = aCasData.getFeatureStructures();
    if (fsIterator.hasNext()) {
      // look in first FS
      FeatureStructure casDataFs = (FeatureStructure) fsIterator.next();
      if (isText(casDataFs.getType())) {
        return casDataFs;
      } else if (fsIterator.hasNext()) {
        // look in second FS
        casDataFs = (FeatureStructure) fsIterator.next();
        if (isText(casDataFs.getType())) {
          return casDataFs;
        }
      }
    }
    return null;

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   * @param featureName
   * @param featureValue
   */
  public static void addFeatureStructure(CasData dataCas, String featureType, String featureName,
          String featureValue) {
    FeatureStructure vfs = new FeatureStructureImpl();
    vfs.setType(featureType);
    PrimitiveValue pv = new VinciPrimitiveValue(featureValue);
    vfs.setFeatureValue(featureName, pv);
    dataCas.addFeatureStructure(vfs);
  }

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