/**
* 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.search.ConstantScoreQuery;
import org.apache.lucene.search.Filter;
import org.apache.lucene.search.Query;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import com.senseidb.search.query.filters.FilterConstructor;
import com.senseidb.util.JSONUtil.FastJSONArray;
import com.senseidb.util.JSONUtil.FastJSONObject;
public class RangeQueryConstructor extends QueryConstructor
{
public static final String QUERY_TYPE = "range";
// "range" : {
// "age" : {
// "from" : 10,
// "to" : 20,
// "boost" : 2.0,
// "_noOptimize" : false
// }
// },
@Override
public Query doConstructQuery(JSONObject jsonQuery) throws JSONException
{
Filter filter = null;
try
{
JSONObject newJson = new FastJSONObject();
newJson.put(QUERY_TYPE, jsonQuery);
filter = FilterConstructor.constructFilter(newJson, null/* QueryParser is not used by this filter */);
}
catch(Exception e)
{
throw new JSONException(e);
}
ConstantScoreQuery query = new ConstantScoreQuery(filter);
query.setBoost((float)jsonQuery.getJSONObject((String)jsonQuery.keys().next()).optDouble(BOOST_PARAM, 1.0));
return query;
}
}