content: package org.apache.lucene.index;
  
  /**
   * 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.
   */
  
  class SegmentTermPositionVector extends SegmentTermVector implements TermPositionVector {
    protected int[][] positions;
    protected TermVectorOffsetInfo[][] offsets;
    public static final int[] EMPTY_TERM_POS = new int[0];
    
    public SegmentTermPositionVector(String field, String terms[], int termFreqs[], int[][] positions, TermVectorOffsetInfo[][] offsets) {
      super(field, terms, termFreqs);
      this.offsets = offsets;
      this.positions = positions;
    }
  
    /**
     * Returns an array of TermVectorOffsetInfo in which the term is found.
     *
     * @param index The position in the array to get the offsets from
     * @return An array of TermVectorOffsetInfo objects or the empty list
     * @see org.apache.lucene.analysis.Token
     */
    public TermVectorOffsetInfo[] getOffsets(int index) {
      TermVectorOffsetInfo[] result = TermVectorOffsetInfo.EMPTY_OFFSET_INFO;
      if(offsets == null)
        return null;
      if (index >=0 && index < offsets.length)
      {
        result = offsets[index];
      }
      return result;
    }
    
    /**
     * Returns an array of positions in which the term is found.
     * Terms are identified by the index at which its number appears in the
     * term String array obtained from the <code>indexOf</code> method.
     */
    public int[] getTermPositions(int index) {
      int[] result = EMPTY_TERM_POS;
      if(positions == null)
        return null;
      if (index >=0 && index < positions.length)
      {
        result = positions[index];
      }
      
      return result;
    }
  }