public static AnnotationFS selectByIndex()

in uimafit-core/src/main/java/org/apache/uima/fit/util/CasUtil.java [1022:1044]

• 20 lines of code
• 8 McCabe index (conditional complexity)

  public static AnnotationFS selectByIndex(CAS cas, Type type, int index) {
    requireAnnotationType(cas, type);

    // withSnapshotIterators() not needed here since we return only one result
    FSIterator<AnnotationFS> i = cas.getAnnotationIndex(type).iterator();
    int n = index;
    i.moveToFirst();
    if (n > 0) {
      while (n > 0 && i.isValid()) {
        i.moveToNext();
        n--;
      }
    }
    if (n < 0) {
      i.moveToLast();
      while (n < -1 && i.isValid()) {
        i.moveToPrevious();
        n++;
      }
    }

    return i.isValid() ? i.get() : null;
  }