org.elasticsearch.index.query.NumericRangeFilterParser Maven / Gradle / Ivy
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* 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.elasticsearch.common.inject.Inject;
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.NumberFieldMapper;
import java.io.IOException;
import static org.elasticsearch.index.query.support.QueryParsers.wrapSmartNameFilter;
/**
*
*/
@Deprecated
public class NumericRangeFilterParser implements FilterParser {
public static final String NAME = "numeric_range";
@Inject
public NumericRangeFilterParser() {
}
@Override
public String[] names() {
return new String[]{NAME, "numericRange"};
}
@Override
public Filter parse(QueryParseContext parseContext) throws IOException, QueryParsingException {
XContentParser parser = parseContext.parser();
boolean cache = false; // default to false, since its using fielddata cache
CacheKeyFilter.Key cacheKey = null;
String fieldName = null;
String from = null;
String to = null;
boolean includeLower = true;
boolean includeUpper = true;
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.textOrNull();
} else if ("to".equals(currentFieldName)) {
to = parser.textOrNull();
} 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.textOrNull();
includeLower = false;
} else if ("gte".equals(currentFieldName) || "ge".equals(currentFieldName)) {
from = parser.textOrNull();
includeLower = true;
} else if ("lt".equals(currentFieldName)) {
to = parser.textOrNull();
includeUpper = false;
} else if ("lte".equals(currentFieldName) || "le".equals(currentFieldName)) {
to = parser.textOrNull();
includeUpper = true;
} else {
throw new QueryParsingException(parseContext.index(), "[numeric_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 {
throw new QueryParsingException(parseContext.index(), "[numeric_range] filter does not support [" + currentFieldName + "]");
}
}
}
MapperService.SmartNameFieldMappers smartNameFieldMappers = parseContext.smartFieldMappers(fieldName);
if (smartNameFieldMappers == null || !smartNameFieldMappers.hasMapper()) {
throw new QueryParsingException(parseContext.index(), "failed to find mapping for field [" + fieldName + "]");
}
FieldMapper mapper = smartNameFieldMappers.mapper();
if (!(mapper instanceof NumberFieldMapper)) {
throw new QueryParsingException(parseContext.index(), "Field [" + fieldName + "] is not a numeric type");
}
Filter filter = ((NumberFieldMapper) mapper).rangeFilter(parseContext.fieldData(), from, to, includeLower, includeUpper, parseContext);
if (cache) {
filter = parseContext.cacheFilter(filter, cacheKey);
}
filter = wrapSmartNameFilter(filter, smartNameFieldMappers, parseContext);
if (filterName != null) {
parseContext.addNamedFilter(filterName, filter);
}
return filter;
}
}