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
95
96
97
98
99
100
101
102
|
/*
* 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.search.aggregations.support;
import org.elasticsearch.common.ParseField;
import org.elasticsearch.common.ParsingException;
import org.elasticsearch.common.xcontent.ObjectParser;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.script.Script;
import org.joda.time.DateTimeZone;
public final class ValuesSourceParserHelper {
static final ParseField TIME_ZONE = new ParseField("time_zone");
private ValuesSourceParserHelper() {} // utility class, no instantiation
public static void declareAnyFields(
ObjectParser<? extends ValuesSourceAggregationBuilder<ValuesSource, ?>, Void> objectParser,
boolean scriptable, boolean formattable) {
declareFields(objectParser, scriptable, formattable, false, null);
}
public static void declareNumericFields(
ObjectParser<? extends ValuesSourceAggregationBuilder<ValuesSource.Numeric, ?>, Void> objectParser,
boolean scriptable, boolean formattable, boolean timezoneAware) {
declareFields(objectParser, scriptable, formattable, timezoneAware, ValueType.NUMERIC);
}
public static void declareBytesFields(
ObjectParser<? extends ValuesSourceAggregationBuilder<ValuesSource.Bytes, ?>, Void> objectParser,
boolean scriptable, boolean formattable) {
declareFields(objectParser, scriptable, formattable, false, ValueType.STRING);
}
public static void declareGeoFields(
ObjectParser<? extends ValuesSourceAggregationBuilder<ValuesSource.GeoPoint, ?>, Void> objectParser,
boolean scriptable, boolean formattable) {
declareFields(objectParser, scriptable, formattable, false, ValueType.GEOPOINT);
}
private static <VS extends ValuesSource> void declareFields(
ObjectParser<? extends ValuesSourceAggregationBuilder<VS, ?>, Void> objectParser,
boolean scriptable, boolean formattable, boolean timezoneAware, ValueType targetValueType) {
objectParser.declareField(ValuesSourceAggregationBuilder::field, XContentParser::text,
new ParseField("field"), ObjectParser.ValueType.STRING);
objectParser.declareField(ValuesSourceAggregationBuilder::missing, XContentParser::objectText,
new ParseField("missing"), ObjectParser.ValueType.VALUE);
objectParser.declareField(ValuesSourceAggregationBuilder::valueType, p -> {
ValueType valueType = ValueType.resolveForScript(p.text());
if (targetValueType != null && valueType.isNotA(targetValueType)) {
throw new ParsingException(p.getTokenLocation(),
"Aggregation [" + objectParser.getName() + "] was configured with an incompatible value type ["
+ valueType + "]. It can only work on value of type ["
+ targetValueType + "]");
}
return valueType;
}, new ParseField("value_type", "valueType"), ObjectParser.ValueType.STRING);
if (formattable) {
objectParser.declareField(ValuesSourceAggregationBuilder::format, XContentParser::text,
new ParseField("format"), ObjectParser.ValueType.STRING);
}
if (scriptable) {
objectParser.declareField(ValuesSourceAggregationBuilder::script,
(parser, context) -> Script.parse(parser),
Script.SCRIPT_PARSE_FIELD, ObjectParser.ValueType.OBJECT_OR_STRING);
}
if (timezoneAware) {
objectParser.declareField(ValuesSourceAggregationBuilder::timeZone, p -> {
if (p.currentToken() == XContentParser.Token.VALUE_STRING) {
return DateTimeZone.forID(p.text());
} else {
return DateTimeZone.forOffsetHours(p.intValue());
}
}, TIME_ZONE, ObjectParser.ValueType.LONG);
}
}
}
|
