-
Notifications
You must be signed in to change notification settings - Fork 24.3k
/
RangeFilterParser.java
196 lines (180 loc) · 9.57 KB
/
RangeFilterParser.java
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
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
/*
* 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.Filter;
import org.apache.lucene.search.TermRangeFilter;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.joda.DateMathParser;
import org.elasticsearch.common.joda.Joda;
import org.elasticsearch.common.lucene.BytesRefs;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.index.cache.filter.support.CacheKeyFilter;
import org.elasticsearch.index.mapper.FieldMapper;
import org.elasticsearch.index.mapper.MapperService;
import org.elasticsearch.index.mapper.core.DateFieldMapper;
import org.elasticsearch.index.mapper.core.NumberFieldMapper;
import org.joda.time.DateTimeZone;
import java.io.IOException;
import static org.elasticsearch.index.query.support.QueryParsers.wrapSmartNameFilter;
/**
*
*/
public class RangeFilterParser implements FilterParser {
public static final String NAME = "range";
@Inject
public RangeFilterParser() {
}
@Override
public String[] names() {
return new String[]{NAME};
}
@Override
public Filter parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
XContentParser parser = parseContext.parser();
Boolean cache = null;
CacheKeyFilter.Key cacheKey = null;
String fieldName = null;
Object from = null;
Object to = null;
boolean includeLower = true;
boolean includeUpper = true;
DateTimeZone timeZone = null;
DateMathParser forcedDateParser = null;
String execution = "index";
String filterName = null;
String currentFieldName = null;
XContentParser.Token token;
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
currentFieldName = parser.currentName();
} else if (token == XContentParser.Token.START_OBJECT) {
fieldName = currentFieldName;
while ((token = parser.nextToken()) != XContentParser.Token.END_OBJECT) {
if (token == XContentParser.Token.FIELD_NAME) {
currentFieldName = parser.currentName();
} else {
if ("from".equals(currentFieldName)) {
from = parser.objectBytes();
} else if ("to".equals(currentFieldName)) {
to = parser.objectBytes();
} else if ("include_lower".equals(currentFieldName) || "includeLower".equals(currentFieldName)) {
includeLower = parser.booleanValue();
} else if ("include_upper".equals(currentFieldName) || "includeUpper".equals(currentFieldName)) {
includeUpper = parser.booleanValue();
} else if ("gt".equals(currentFieldName)) {
from = parser.objectBytes();
includeLower = false;
} else if ("gte".equals(currentFieldName) || "ge".equals(currentFieldName)) {
from = parser.objectBytes();
includeLower = true;
} else if ("lt".equals(currentFieldName)) {
to = parser.objectBytes();
includeUpper = false;
} else if ("lte".equals(currentFieldName) || "le".equals(currentFieldName)) {
to = parser.objectBytes();
includeUpper = true;
} else if ("time_zone".equals(currentFieldName) || "timeZone".equals(currentFieldName)) {
timeZone = DateMathParser.parseZone(parser.text());
} else if ("format".equals(currentFieldName)) {
forcedDateParser = new DateMathParser(Joda.forPattern(parser.text()), DateFieldMapper.Defaults.TIME_UNIT);
} else {
throw new QueryParsingException(parseContext.index(), "[range] filter does not support [" + currentFieldName + "]");
}
}
}
} else if (token.isValue()) {
if ("_name".equals(currentFieldName)) {
filterName = parser.text();
} else if ("_cache".equals(currentFieldName)) {
cache = parser.booleanValue();
} else if ("_cache_key".equals(currentFieldName) || "_cacheKey".equals(currentFieldName)) {
cacheKey = new CacheKeyFilter.Key(parser.text());
} else if ("execution".equals(currentFieldName)) {
execution = parser.text();
} else {
throw new QueryParsingException(parseContext.index(), "[range] filter does not support [" + currentFieldName + "]");
}
}
}
if (fieldName == null) {
throw new QueryParsingException(parseContext.index(), "[range] filter no field specified for range filter");
}
Filter filter = null;
Boolean explicitlyCached = cache;
MapperService.SmartNameFieldMappers smartNameFieldMappers = parseContext.smartFieldMappers(fieldName);
if (smartNameFieldMappers != null) {
if (smartNameFieldMappers.hasMapper()) {
if (execution.equals("index")) {
if (cache == null) {
cache = true;
}
FieldMapper mapper = smartNameFieldMappers.mapper();
if (mapper instanceof DateFieldMapper) {
if ((from instanceof Number || to instanceof Number) && timeZone != null) {
throw new QueryParsingException(parseContext.index(), "[range] time_zone when using ms since epoch format as it's UTC based can not be applied to [" + fieldName + "]");
}
filter = ((DateFieldMapper) mapper).rangeFilter(from, to, includeLower, includeUpper, timeZone, forcedDateParser, parseContext, explicitlyCached);
} else {
if (timeZone != null) {
throw new QueryParsingException(parseContext.index(), "[range] time_zone can not be applied to non date field [" + fieldName + "]");
}
filter = mapper.rangeFilter(from, to, includeLower, includeUpper, parseContext);
}
} else if ("fielddata".equals(execution)) {
if (cache == null) {
cache = false;
}
FieldMapper mapper = smartNameFieldMappers.mapper();
if (!(mapper instanceof NumberFieldMapper)) {
throw new QueryParsingException(parseContext.index(), "[range] filter field [" + fieldName + "] is not a numeric type");
}
if (mapper instanceof DateFieldMapper) {
if ((from instanceof Number || to instanceof Number) && timeZone != null) {
throw new QueryParsingException(parseContext.index(), "[range] time_zone when using ms since epoch format as it's UTC based can not be applied to [" + fieldName + "]");
}
filter = ((DateFieldMapper) mapper).rangeFilter(parseContext, from, to, includeLower, includeUpper, timeZone, forcedDateParser, parseContext, explicitlyCached);
} else {
if (timeZone != null) {
throw new QueryParsingException(parseContext.index(), "[range] time_zone can not be applied to non date field [" + fieldName + "]");
}
filter = ((NumberFieldMapper) mapper).rangeFilter(parseContext, from, to, includeLower, includeUpper, parseContext);
}
} else {
throw new QueryParsingException(parseContext.index(), "[range] filter doesn't support [" + execution + "] execution");
}
}
}
if (filter == null) {
if (cache == null) {
cache = true;
}
filter = new TermRangeFilter(fieldName, BytesRefs.toBytesRef(from), BytesRefs.toBytesRef(to), includeLower, includeUpper);
}
if (explicitlyCached == null || explicitlyCached) {
if (cache) {
filter = parseContext.cacheFilter(filter, cacheKey);
}
}
filter = wrapSmartNameFilter(filter, smartNameFieldMappers, parseContext);
if (filterName != null) {
parseContext.addNamedFilter(filterName, filter);
}
return filter;
}
}