org.apache.lucene.index

Class SegmentTermPositionVector

Implemented Interfaces:
TermFreqVector, TermPositionVector

public class SegmentTermPositionVector
extends org.apache.lucene.index.SegmentTermVector
implements TermPositionVector

Copyright 2004 The Apache Software Foundation Licensed 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.

Field Summary

static int[]
EMPTY_TERM_POS
protected TermVectorOffsetInfo[][]
offsets
protected int[][]
positions

Constructor Summary

SegmentTermPositionVector(String field, terms[] , termFreqs[] , int[][] positions, TermVectorOffsetInfo[][] offsets)

Method Summary

TermVectorOffsetInfo[]
getOffsets(int index)
Returns an array of TermVectorOffsetInfo in which the term is found.
int[]
getTermPositions(int index)
Returns an array of positions in which the term is found.

Methods inherited from class org.apache.lucene.index.SegmentTermVector

getField, getTermFrequencies, getTerms, indexOf, indexesOf, size, toString

Field Details

EMPTY_TERM_POS

public static final int[] EMPTY_TERM_POS

offsets

protected TermVectorOffsetInfo[][] offsets

positions

protected int[][] positions

Constructor Details

SegmentTermPositionVector

public SegmentTermPositionVector(String field,
                                 terms[] ,
                                 termFreqs[] ,
                                 int[][] positions,
                                 TermVectorOffsetInfo[][] offsets)

Method Details

getOffsets

public TermVectorOffsetInfo[] getOffsets(int index)
Returns an array of TermVectorOffsetInfo in which the term is found.
Specified by:
getOffsets in interface TermPositionVector
Parameters:
index - The position in the array to get the offsets from
Returns:
An array of TermVectorOffsetInfo objects or the empty list
See Also:
Token

getTermPositions

public int[] getTermPositions(int index)
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 indexOf method.
Specified by:
getTermPositions in interface TermPositionVector

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