package org.apache.lucene.benchmark.byTask.feeds;
/**
* 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.
*/
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.index.Term;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.search.BooleanClause.Occur;
import org.apache.lucene.search.BooleanQuery;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.benchmark.byTask.tasks.NewAnalyzerTask;
import org.apache.lucene.util.Version;
import java.util.ArrayList;
/**
* A QueryMaker that makes queries for a collection created
* using {@link org.apache.lucene.benchmark.byTask.feeds.SingleDocSource}.
*/
public class SimpleQueryMaker extends AbstractQueryMaker implements QueryMaker {
/**
* Prepare the queries for this test.
* Extending classes can override this method for preparing different queries.
* @return prepared queries.
* @throws Exception if cannot prepare the queries.
*/
@Override
protected Query[] prepareQueries() throws Exception {
// analyzer (default is standard analyzer)
Analyzer anlzr= NewAnalyzerTask.createAnalyzer(config.get("analyzer",
"org.apache.lucene.analysis.standard.StandardAnalyzer"));
QueryParser qp = new QueryParser(Version.LUCENE_CURRENT, DocMaker.BODY_FIELD,anlzr);
ArrayList<Query> qq = new ArrayList<Query>();
Query q1 = new TermQuery(new Term(DocMaker.ID_FIELD,"doc2"));
qq.add(q1);
Query q2 = new TermQuery(new Term(DocMaker.BODY_FIELD,"simple"));
qq.add(q2);
BooleanQuery bq = new BooleanQuery();
bq.add(q1,Occur.MUST);
bq.add(q2,Occur.MUST);
qq.add(bq);
qq.add(qp.parse("synthetic body"));
qq.add(qp.parse("\"synthetic body\""));
qq.add(qp.parse("synthetic text"));
qq.add(qp.parse("\"synthetic text\""));
qq.add(qp.parse("\"synthetic text\"~3"));
qq.add(qp.parse("zoom*"));
qq.add(qp.parse("synth*"));
return qq.toArray(new Query[0]);
}
}