org.apache.lucene.queryparser.classic.ExistsFieldQueryExtension Maven / Gradle / Ivy
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*
* http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.lucene.queryparser.classic;
import org.apache.lucene.search.Query;
import org.elasticsearch.common.lucene.search.XConstantScoreQuery;
import org.elasticsearch.index.query.ExistsFilterParser;
import org.elasticsearch.index.query.QueryParseContext;
/**
*
*/
public class ExistsFieldQueryExtension implements FieldQueryExtension {
public static final String NAME = "_exists_";
@Override
public Query query(QueryParseContext parseContext, String queryText) {
return new XConstantScoreQuery(ExistsFilterParser.newFilter(parseContext, queryText, null));
}
}