| package org.apache.lucene.search; |
| |
| /** |
| * 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.document.Document; |
| import org.apache.lucene.index.IndexReader; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.search.BooleanClause.Occur; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class TestTopScoreDocCollector extends LuceneTestCase { |
| |
| public void testOutOfOrderCollection() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter writer = new RandomIndexWriter(random, dir); |
| for (int i = 0; i < 10; i++) { |
| writer.addDocument(new Document()); |
| } |
| |
| boolean[] inOrder = new boolean[] { false, true }; |
| String[] actualTSDCClass = new String[] { |
| "OutOfOrderTopScoreDocCollector", |
| "InOrderTopScoreDocCollector" |
| }; |
| |
| BooleanQuery bq = new BooleanQuery(); |
| // Add a Query with SHOULD, since bw.scorer() returns BooleanScorer2 |
| // which delegates to BS if there are no mandatory clauses. |
| bq.add(new MatchAllDocsQuery(), Occur.SHOULD); |
| // Set minNrShouldMatch to 1 so that BQ will not optimize rewrite to return |
| // the clause instead of BQ. |
| bq.setMinimumNumberShouldMatch(1); |
| IndexReader reader = writer.getReader(); |
| IndexSearcher searcher = newSearcher(reader); |
| for (int i = 0; i < inOrder.length; i++) { |
| TopDocsCollector<ScoreDoc> tdc = TopScoreDocCollector.create(3, inOrder[i]); |
| assertEquals("org.apache.lucene.search.TopScoreDocCollector$" + actualTSDCClass[i], tdc.getClass().getName()); |
| |
| searcher.search(new MatchAllDocsQuery(), tdc); |
| |
| ScoreDoc[] sd = tdc.topDocs().scoreDocs; |
| assertEquals(3, sd.length); |
| for (int j = 0; j < sd.length; j++) { |
| assertEquals("expected doc Id " + j + " found " + sd[j].doc, j, sd[j].doc); |
| } |
| } |
| writer.close(); |
| searcher.close(); |
| reader.close(); |
| dir.close(); |
| } |
| |
| } |