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 * 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
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.

package org.apache.uima.jcas.cas;

import org.apache.uima.cas.Feature;
import org.apache.uima.cas.FeatureStructure;
import org.apache.uima.cas.Type;
import org.apache.uima.cas.impl.CASImpl;
import org.apache.uima.cas.impl.FSGenerator;
import org.apache.uima.cas.impl.FeatureImpl;
import org.apache.uima.cas.impl.TypeImpl;
import org.apache.uima.jcas.JCas;
import org.apache.uima.jcas.JCasRegistry;

00032 public class NonEmptyFSList_Type extends FSList_Type {
  protected FSGenerator getFSGenerator() {
    return fsGenerator;

  private final FSGenerator fsGenerator = new FSGenerator() {
    public FeatureStructure createFS(int addr, CASImpl cas) {
      if (instanceOf_Type.useExistingInstance) {
        // Return eq fs instance if already created
        FeatureStructure fs = instanceOf_Type.jcas.getJfsFromCaddr(addr);
        if (null == fs) {
          fs = new NonEmptyFSList(addr, instanceOf_Type);
          instanceOf_Type.jcas.putJfsFromCaddr(addr, fs);
          return fs;
        return fs;
      } else
        return new NonEmptyFSList(addr, instanceOf_Type);

00053   public final static int typeIndexID = NonEmptyFSList.typeIndexID;

  public final static boolean featOkTst = JCasRegistry.getFeatOkTst("uima.cas.NonEmptyFSList");

  final Feature casFeat_head;

  final int casFeatCode_head;

  public int getHead(int addr) {
    if (featOkTst && casFeat_head == null)
      this.jcas.throwFeatMissing("head", "uima.cas.NonEmptyFSList");
    return ll_cas.ll_getRefValue(addr, casFeatCode_head);

  public void setHead(int addr, int v) {
    if (featOkTst && casFeat_head == null)
      this.jcas.throwFeatMissing("head", "uima.cas.NonEmptyFSList");
    ll_cas.ll_setRefValue(addr, casFeatCode_head, v);

  final Feature casFeat_tail;

  final int casFeatCode_tail;

  public int getTail(int addr) {
    if (featOkTst && casFeat_tail == null)
      this.jcas.throwFeatMissing("tail", "uima.cas.NonEmptyFSList");
    return ll_cas.ll_getRefValue(addr, casFeatCode_tail);

  public void setTail(int addr, int v) {
    if (featOkTst && casFeat_tail == null)
      this.jcas.throwFeatMissing("tail", "uima.cas.NonEmptyFSList");
    ll_cas.ll_setRefValue(addr, casFeatCode_tail, v);

  // * initialize variables to correspond with Cas Type and Features
  public NonEmptyFSList_Type(JCas jcas, Type casType) {
    super(jcas, casType);
    casImpl.getFSClassRegistry().addGeneratorForType((TypeImpl) this.casType, getFSGenerator());

    casFeat_head = jcas.getRequiredFeatureDE(casType, "head", "uima.cas.TOP", featOkTst);
    casFeatCode_head = (null == casFeat_head) ? JCas.INVALID_FEATURE_CODE
            : ((FeatureImpl) casFeat_head).getCode();
    casFeat_tail = jcas.getRequiredFeatureDE(casType, "tail", "uima.cas.FSList", featOkTst);
    casFeatCode_tail = (null == casFeat_tail) ? JCas.INVALID_FEATURE_CODE
            : ((FeatureImpl) casFeat_tail).getCode();

  protected NonEmptyFSList_Type() { // block default new operator
    casFeat_head = null;
    casFeatCode_head = JCas.INVALID_FEATURE_CODE;
    casFeat_tail = null;
    casFeatCode_tail = JCas.INVALID_FEATURE_CODE;
    throw new RuntimeException("Internal Error-this constructor should never be called.");


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