/*
* Copyright 2008-2011 Grant Ingersoll, Thomas Morton and Drew Farris
*
* Licensed 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.
* -------------------
* To purchase or learn more about Taming Text, by Grant Ingersoll, Thomas Morton and Drew Farris, visit
* http://www.manning.com/ingersoll
*/
package com.tamingtext.qa;
import org.apache.lucene.index.Term;
import org.apache.lucene.queryParser.ParseException;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.spans.SpanNearQuery;
import org.apache.lucene.search.spans.SpanQuery;
import org.apache.lucene.search.spans.SpanTermQuery;
import org.apache.solr.common.params.SolrParams;
import org.apache.solr.common.util.NamedList;
import org.apache.solr.request.SolrQueryRequest;
import org.apache.solr.search.QParser;
import org.apache.solr.search.QParserPlugin;
/**
*
*
**/
public class MockQuestionQParserPlugin extends QParserPlugin{
@Override
public QParser createParser(String qstr, SolrParams localParams, SolrParams params, SolrQueryRequest req) {
return new MockQParser(qstr, localParams, params, req);
}
@Override
public void init(NamedList args) {
}
class MockQParser extends QParser{
/**
* Constructor for the QParser
*
* @param qstr The part of the query string specific to this parser
* @param localParams The set of parameters that are specific to this QParser. See http://wiki.apache.org/solr/LocalParams
* @param params The rest of the {@link org.apache.solr.common.params.SolrParams}
* @param req The original {@link org.apache.solr.request.SolrQueryRequest}.
*/
public MockQParser(String qstr, SolrParams localParams, SolrParams params, SolrQueryRequest req) {
super(qstr, localParams, params, req);
}
@Override
public Query parse() throws ParseException {
SpanQuery[] clauses = null;
if (qstr.indexOf("hockey") != -1){
clauses = new SpanQuery[2];
clauses[0] = new SpanTermQuery(new Term("details", "hockei"));
clauses[1] = new SpanTermQuery(new Term("details", "player"));
} else if (qstr.indexOf("basketball") != -1){
clauses = new SpanQuery[2];
clauses[0] = new SpanTermQuery(new Term("details", "basketbal"));
clauses[1] = new SpanTermQuery(new Term("details", "player"));
}
return new SpanNearQuery(clauses, 1, true);
}
}
}