blob: 293ddf430dfaf0388c6e7c7a55a15ffb87962df2 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.
*/
package org.elasticsearch.index.fielddata.ordinals;
import org.apache.lucene.index.MultiDocValues.OrdinalMap;
import org.apache.lucene.index.RandomAccessOrds;
import org.apache.lucene.util.BytesRef;
import org.apache.lucene.util.LongValues;
import org.elasticsearch.index.fielddata.AbstractRandomAccessOrds;
/**
* A {@link RandomAccessOrds} implementation that returns ordinals that are global.
*/
public class GlobalOrdinalMapping extends AbstractRandomAccessOrds {
private final RandomAccessOrds values;
private final OrdinalMap ordinalMap;
private final LongValues mapping;
private final RandomAccessOrds[] bytesValues;
GlobalOrdinalMapping(OrdinalMap ordinalMap, RandomAccessOrds[] bytesValues, int segmentIndex) {
super();
this.values = bytesValues[segmentIndex];
this.bytesValues = bytesValues;
this.ordinalMap = ordinalMap;
this.mapping = ordinalMap.getGlobalOrds(segmentIndex);
}
@Override
public long getValueCount() {
return ordinalMap.getValueCount();
}
public final long getGlobalOrd(long segmentOrd) {
return mapping.get(segmentOrd);
}
@Override
public long ordAt(int index) {
return getGlobalOrd(values.ordAt(index));
}
@Override
public void doSetDocument(int docId) {
values.setDocument(docId);
}
@Override
public int cardinality() {
return values.cardinality();
}
@Override
public BytesRef lookupOrd(long globalOrd) {
final long segmentOrd = ordinalMap.getFirstSegmentOrd(globalOrd);
int readerIndex = ordinalMap.getFirstSegmentNumber(globalOrd);
return bytesValues[readerIndex].lookupOrd(segmentOrd);
}
}
|