org.elasticsearch.search.facet.filter.FilterFacetParser Maven / Gradle / Ivy
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* 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.facet.filter;
import org.elasticsearch.common.component.AbstractComponent;
import org.elasticsearch.common.inject.Inject;
import org.elasticsearch.common.lucene.search.Queries;
import org.elasticsearch.common.settings.Settings;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.index.query.ParsedFilter;
import org.elasticsearch.search.facet.FacetExecutor;
import org.elasticsearch.search.facet.FacetParser;
import org.elasticsearch.search.internal.SearchContext;
import java.io.IOException;
/**
*
*/
public class FilterFacetParser extends AbstractComponent implements FacetParser {
@Inject
public FilterFacetParser(Settings settings) {
super(settings);
InternalFilterFacet.registerStreams();
}
@Override
public String[] types() {
return new String[]{FilterFacet.TYPE};
}
@Override
public FacetExecutor.Mode defaultMainMode() {
return FacetExecutor.Mode.COLLECTOR;
}
@Override
public FacetExecutor.Mode defaultGlobalMode() {
return FacetExecutor.Mode.POST;
}
@Override
public FacetExecutor parse(String facetName, XContentParser parser, SearchContext context) throws IOException {
ParsedFilter parsedFilter = context.queryParserService().parseInnerFilter(parser);
return new FilterFacetExecutor(parsedFilter == null ? Queries.MATCH_ALL_FILTER : parsedFilter.filter());
}
}