blob: 06561c6a834fff14436226872f9bf231bd76f0d9 (
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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
/*
* 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.query;
import org.apache.lucene.search.Query;
import org.elasticsearch.common.ParsingException;
import org.elasticsearch.common.io.stream.StreamInput;
import org.elasticsearch.common.io.stream.StreamOutput;
import org.elasticsearch.common.lucene.search.Queries;
import org.elasticsearch.common.xcontent.ObjectParser;
import org.elasticsearch.common.xcontent.XContentBuilder;
import org.elasticsearch.common.xcontent.XContentParser;
import java.io.IOException;
/**
* A query that matches on all documents.
*/
public class MatchAllQueryBuilder extends AbstractQueryBuilder<MatchAllQueryBuilder> {
public static final String NAME = "match_all";
public MatchAllQueryBuilder() {
}
/**
* Read from a stream.
*/
public MatchAllQueryBuilder(StreamInput in) throws IOException {
super(in);
}
@Override
protected void doWriteTo(StreamOutput out) {
// only superclass has state
}
@Override
protected void doXContent(XContentBuilder builder, Params params) throws IOException {
builder.startObject(NAME);
printBoostAndQueryName(builder);
builder.endObject();
}
private static final ObjectParser<MatchAllQueryBuilder, Void> PARSER = new ObjectParser<>(NAME, MatchAllQueryBuilder::new);
static {
declareStandardFields(PARSER);
}
public static MatchAllQueryBuilder fromXContent(XContentParser parser) {
try {
return PARSER.apply(parser, null);
} catch (IllegalArgumentException e) {
throw new ParsingException(parser.getTokenLocation(), e.getMessage(), e);
}
}
@Override
protected Query doToQuery(QueryShardContext context) {
return Queries.newMatchAllQuery();
}
@Override
protected boolean doEquals(MatchAllQueryBuilder other) {
return true;
}
@Override
protected int doHashCode() {
return 0;
}
@Override
public String getWriteableName() {
return NAME;
}
}
|
