/**
* This software is licensed to you under the Apache License, Version 2.0 (the
* "Apache License").
*
* LinkedIn's contributions are made under the Apache License. If you contribute
* to the Software, the contributions will be deemed to have been made under the
* Apache License, unless you expressly indicate otherwise. Please do not make any
* contributions that would be inconsistent with the Apache License.
*
* You may obtain a copy of the Apache License at http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, this software
* distributed under the Apache License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the Apache
* License for the specific language governing permissions and limitations for the
* software governed under the Apache License.
*
* © 2012 LinkedIn Corp. All Rights Reserved.
*/
package com.senseidb.search.query;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.spans.SpanFirstQuery;
import org.apache.lucene.search.spans.SpanQuery;
import org.apache.lucene.search.spans.SpanTermQuery;
import org.json.JSONException;
import org.json.JSONObject;
public class SpanFirstQueryConstructor extends QueryConstructor {
public static final String QUERY_TYPE = "span_first";
@Override
public Query doConstructQuery(JSONObject jsonQuery) throws JSONException
{
// "span_first" : {
// "match" : {
// "span_term" : { "color" : "red" }
// },
// "end" : 3
// },
JSONObject spanJson = jsonQuery.getJSONObject(MATCH_PARAM).getJSONObject(SPAN_TERM_PARAM);
String field = (String) (spanJson.keys().next());
String spanterm = (String) spanJson.getString(field);
SpanQuery sq = new SpanTermQuery(new Term(field, spanterm));
int end = jsonQuery.optInt(END_PARAM, 3);
return new SpanFirstQuery(sq, end);
}
}