Package org.apache.uima.collection.impl.cpm.engine

Source Code of org.apache.uima.collection.impl.cpm.engine.ConsumerCasUtils

/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements.  See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership.  The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License.  You may obtain a copy of the License at
*
*   http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied.  See the License for the
* specific language governing permissions and limitations
* under the License.
*/

package org.apache.uima.collection.impl.cpm.engine;

import org.apache.uima.cas.CAS;
import org.apache.uima.cas.FSIterator;
import org.apache.uima.cas.FeatureStructure;

/**
*
*
*
*
*/
public class ConsumerCasUtils {
  /**
   * Returns an int value of a given Feature Structure
   *
   * @param aCasView -
   *          CAS instance to retrieve data from
   * @param aTypeS -
   *          Feature Type
   * @param aFeatS -
   *          Feature Structure
   *
   * @return - feature value as int
   */
  public static int getIntFeatValue(CAS aCasView, String aTypeS, String aFeatS) {
    int result = 0;
    FSIterator idIter = aCasView.getAnnotationIndex(aCasView.getTypeSystem().getType(aTypeS)).iterator();
    while (idIter != null && idIter.isValid()) {
      org.apache.uima.cas.FeatureStructure idFS = idIter.get();
      result = idFS.getIntValue(aCasView.getTypeSystem().getFeatureByFullName(aTypeS + ":" + aFeatS));
      idIter.moveToNext();
    }
    return result;
  }

  /**
   * Returns a string value of a given Feature Structure
   *
   * @param aCasView -
   *          CAS view to retrieve data from
   * @param aTypeS -
   *          Feature Type
   * @param aFeatS -
   *          Feature Structure
   *
   * @return feature value as string
   */
  public static String getStringFeatValue(CAS aCasView, String aTypeS, String aFeatS) {
    String result = null;
    FSIterator idIter = aCasView.getAnnotationIndex(aCasView.getTypeSystem().getType(aTypeS))
            .iterator();
    while (idIter != null && idIter.isValid()) {
      org.apache.uima.cas.FeatureStructure idFS = idIter.get();
      result = idFS.getStringValue(aCasView.getTypeSystem().getFeatureByFullName(
              aTypeS + ":" + aFeatS));
      idIter.moveToNext();
    }
    return result;
  }

  /**
   * Returns a Feature Structure of a given type
   *
   * @param aCasView -
   *          CAS instance to retrieve data from
   * @param aTypeS -
   *          Feature Type
   *
   * @return
   */
  public static FeatureStructure getTcasFS(CAS aCasView, String aTypeS) {
    org.apache.uima.cas.FeatureStructure idFS = null;
    FSIterator idIter = aCasView.getAnnotationIndex(aCasView.getTypeSystem().getType(aTypeS)).iterator();
    while (idIter != null && idIter.isValid()) {
      idFS = idIter.get();
      idIter.moveToNext();
    }
    return idFS;
  }

}
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