Java tutorial
package at.ac.univie.mminf.luceneSKOS.util; /** * Copyright 2010 Bernhard Haslhofer * * 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. */ import java.io.IOException; import org.apache.lucene.search.Explanation; import org.apache.lucene.search.IndexSearcher; import org.apache.lucene.search.Query; import org.apache.lucene.search.ScoreDoc; import org.apache.lucene.search.TopDocs; /** * Common utilities for testing. */ public class TestUtil { public static int hitCount(IndexSearcher searcher, Query query) throws IOException { TopDocs results = searcher.search(query, 1); return results.totalHits; } public static void explainQuery(IndexSearcher searcher, Query query) throws IOException { TopDocs topDocs = searcher.search(query, 10); for (ScoreDoc match : topDocs.scoreDocs) { Explanation explanation = searcher.explain(query, match.doc); System.out.println("---------------"); System.out.println(explanation.toString()); } } }