1 package org.apache.lucene.index;
4 * Licensed to the Apache Software Foundation (ASF) under one or more
5 * contributor license agreements. See the NOTICE file distributed with
6 * this work for additional information regarding copyright ownership.
7 * The ASF licenses this file to You under the Apache License, Version 2.0
8 * (the "License"); you may not use this file except in compliance with
9 * the License. You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
20 class SegmentTermPositionVector extends SegmentTermVector implements TermPositionVector {
21 protected int[][] positions;
22 protected TermVectorOffsetInfo[][] offsets;
23 public static final int[] EMPTY_TERM_POS = new int[0];
25 public SegmentTermPositionVector(String field, String terms[], int termFreqs[], int[][] positions, TermVectorOffsetInfo[][] offsets) {
26 super(field, terms, termFreqs);
27 this.offsets = offsets;
28 this.positions = positions;
32 * Returns an array of TermVectorOffsetInfo in which the term is found.
34 * @param index The position in the array to get the offsets from
35 * @return An array of TermVectorOffsetInfo objects or the empty list
36 * @see org.apache.lucene.analysis.Token
38 public TermVectorOffsetInfo[] getOffsets(int index) {
39 TermVectorOffsetInfo[] result = TermVectorOffsetInfo.EMPTY_OFFSET_INFO;
42 if (index >=0 && index < offsets.length)
44 result = offsets[index];
50 * Returns an array of positions in which the term is found.
51 * Terms are identified by the index at which its number appears in the
52 * term String array obtained from the <code>indexOf</code> method.
54 public int[] getTermPositions(int index) {
55 int[] result = EMPTY_TERM_POS;
58 if (index >=0 && index < positions.length)
60 result = positions[index];