/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.apache.solr.search;
import org.apache.lucene.search.Query;
import org.apache.solr.common.params.SolrParams;
import org.apache.solr.request.SolrQueryRequest;
import org.apache.solr.schema.SchemaField;
/**
* Create a prefix query from the input value. Currently no analysis or
* value transformation is done to create this prefix query (subject to change).
* <br>Other parameters: <code>f</code>, the field
* <br>Example: <code>{!prefix f=myfield}foo</code> is generally equivalent
* to the Lucene query parser expression <code>myfield:foo*</code>
*/
public class PrefixQParserPlugin extends QParserPlugin {
public static final String NAME = "prefix";
@Override
public QParser createParser(String qstr, SolrParams localParams, SolrParams params, SolrQueryRequest req) {
return new QParser(qstr, localParams, params, req) {
@Override
public Query parse() {
SchemaField sf = req.getSchema().getField(localParams.get(QueryParsing.F));
return sf.getType().getPrefixQuery(this, sf, localParams.get(QueryParsing.V));
}
};
}
}