| /* |
| * 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. |
| */ |
| |
| using System; |
| |
| namespace Lucene.Net.Index |
| { |
| |
| class SegmentTermPositionVector:SegmentTermVector, TermPositionVector |
| { |
| protected internal int[][] positions; |
| protected internal TermVectorOffsetInfo[][] offsets; |
| public static readonly int[] EMPTY_TERM_POS = new int[0]; |
| |
| public SegmentTermPositionVector(System.String field, System.String[] terms, int[] termFreqs, int[][] positions, TermVectorOffsetInfo[][] offsets):base(field, terms, termFreqs) |
| { |
| this.offsets = offsets; |
| this.positions = positions; |
| } |
| |
| /// <summary> Returns an array of TermVectorOffsetInfo in which the term is found. |
| /// |
| /// </summary> |
| /// <param name="index">The position in the array to get the offsets from |
| /// </param> |
| /// <returns> An array of TermVectorOffsetInfo objects or the empty list |
| /// </returns> |
| /// <seealso cref="Lucene.Net.Analysis.Token"> |
| /// </seealso> |
| public virtual 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; |
| } |
| |
| /// <summary> 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 <c>indexOf</c> method. |
| /// </summary> |
| public virtual 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; |
| } |
| } |
| } |