| /* |
| * 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.lucene.search; |
| |
| import java.io.IOException; |
| |
| import org.apache.lucene.analysis.Analyzer; |
| import org.apache.lucene.analysis.MockAnalyzer; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.index.DirectoryReader; |
| import org.apache.lucene.index.IndexWriter; |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.index.IndexReader; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| /** |
| * Tests MatchAllDocsQuery. |
| * |
| */ |
| public class TestMatchAllDocsQuery extends LuceneTestCase { |
| private Analyzer analyzer; |
| |
| @Override |
| public void setUp() throws Exception { |
| super.setUp(); |
| analyzer = new MockAnalyzer(random()); |
| } |
| |
| public void testQuery() throws Exception { |
| Directory dir = newDirectory(); |
| IndexWriter iw = new IndexWriter(dir, newIndexWriterConfig(analyzer).setMaxBufferedDocs(2).setMergePolicy(newLogMergePolicy())); |
| addDoc("one", iw); |
| addDoc("two", iw); |
| addDoc("three four", iw); |
| IndexReader ir = DirectoryReader.open(iw); |
| |
| IndexSearcher is = newSearcher(ir); |
| ScoreDoc[] hits; |
| |
| hits = is.search(new MatchAllDocsQuery(), 1000).scoreDocs; |
| assertEquals(3, hits.length); |
| assertEquals("one", is.doc(hits[0].doc).get("key")); |
| assertEquals("two", is.doc(hits[1].doc).get("key")); |
| assertEquals("three four", is.doc(hits[2].doc).get("key")); |
| |
| // some artificial queries to trigger the use of skipTo(): |
| |
| BooleanQuery.Builder bq = new BooleanQuery.Builder(); |
| bq.add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST); |
| bq.add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST); |
| hits = is.search(bq.build(), 1000).scoreDocs; |
| assertEquals(3, hits.length); |
| |
| bq = new BooleanQuery.Builder(); |
| bq.add(new MatchAllDocsQuery(), BooleanClause.Occur.MUST); |
| bq.add(new TermQuery(new Term("key", "three")), BooleanClause.Occur.MUST); |
| hits = is.search(bq.build(), 1000).scoreDocs; |
| assertEquals(1, hits.length); |
| |
| iw.deleteDocuments(new Term("key", "one")); |
| ir.close(); |
| ir = DirectoryReader.open(iw); |
| is = newSearcher(ir); |
| |
| hits = is.search(new MatchAllDocsQuery(), 1000).scoreDocs; |
| assertEquals(2, hits.length); |
| |
| iw.close(); |
| ir.close(); |
| dir.close(); |
| } |
| |
| public void testEquals() { |
| Query q1 = new MatchAllDocsQuery(); |
| Query q2 = new MatchAllDocsQuery(); |
| assertTrue(q1.equals(q2)); |
| } |
| |
| private void addDoc(String text, IndexWriter iw) throws IOException { |
| Document doc = new Document(); |
| Field f = newTextField("key", text, Field.Store.YES); |
| doc.add(f); |
| iw.addDocument(doc); |
| } |
| |
| public void testEarlyTermination() throws IOException { |
| |
| Directory dir = newDirectory(); |
| IndexWriter iw = new IndexWriter(dir, newIndexWriterConfig(analyzer).setMaxBufferedDocs(2).setMergePolicy(newLogMergePolicy())); |
| final int numDocs = 500; |
| for (int i = 0; i < numDocs; i++) { |
| addDoc("doc" + i, iw); |
| } |
| IndexReader ir = DirectoryReader.open(iw); |
| |
| IndexSearcher is = newSearcher(ir); |
| |
| final int totalHitsThreshold = 200; |
| TopScoreDocCollector c = TopScoreDocCollector.create(10, null, totalHitsThreshold); |
| |
| is.search(new MatchAllDocsQuery(), c); |
| assertEquals(totalHitsThreshold+1, c.totalHits); |
| assertEquals(TotalHits.Relation.GREATER_THAN_OR_EQUAL_TO, c.totalHitsRelation); |
| |
| TopScoreDocCollector c1 = TopScoreDocCollector.create(10, null, numDocs); |
| |
| is.search(new MatchAllDocsQuery(), c1); |
| assertEquals(numDocs, c1.totalHits); |
| assertEquals(TotalHits.Relation.EQUAL_TO, c1.totalHitsRelation); |
| |
| iw.close(); |
| ir.close(); |
| dir.close(); |
| |
| } |
| |
| } |