| /* |
| * 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.join; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.index.IndexReader; |
| import org.apache.lucene.index.LeafReaderContext; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.index.Term; |
| import org.apache.lucene.search.DocIdSetIterator; |
| import org.apache.lucene.search.IndexSearcher; |
| import org.apache.lucene.search.MatchAllDocsQuery; |
| import org.apache.lucene.search.Query; |
| import org.apache.lucene.search.ScoreMode; |
| import org.apache.lucene.search.Scorer; |
| import org.apache.lucene.search.TermQuery; |
| import org.apache.lucene.search.Weight; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.BitSet; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class TestBlockJoinScorer extends LuceneTestCase { |
| public void testScoreNone() throws IOException { |
| Directory dir = newDirectory(); |
| RandomIndexWriter w = new RandomIndexWriter(random(), dir, |
| newIndexWriterConfig().setMergePolicy( |
| // retain doc id order |
| newLogMergePolicy(random().nextBoolean()) |
| ) |
| ); |
| List<Document> docs = new ArrayList<>(); |
| for (int i = 0; i < 10; i++) { |
| docs.clear(); |
| for (int j = 0; j < i; j++) { |
| Document child = new Document(); |
| child.add(newStringField("value", Integer.toString(j), Field.Store.YES)); |
| docs.add(child); |
| } |
| Document parent = new Document(); |
| parent.add(newStringField("docType", "parent", Field.Store.NO)); |
| parent.add(newStringField("value", Integer.toString(i), Field.Store.NO)); |
| docs.add(parent); |
| w.addDocuments(docs); |
| } |
| w.forceMerge(1); |
| |
| IndexReader reader = w.getReader(); |
| w.close(); |
| IndexSearcher searcher = newSearcher(reader); |
| |
| // Create a filter that defines "parent" documents in the index - in this case resumes |
| BitSetProducer parentsFilter = new QueryBitSetProducer(new TermQuery(new Term("docType", "parent"))); |
| CheckJoinIndex.check(reader, parentsFilter); |
| |
| Query childQuery = new MatchAllDocsQuery(); |
| ToParentBlockJoinQuery query = new ToParentBlockJoinQuery(childQuery, parentsFilter, |
| org.apache.lucene.search.join.ScoreMode.None); |
| |
| Weight weight = searcher.createWeight(searcher.rewrite(query), ScoreMode.TOP_SCORES, 1); |
| LeafReaderContext context = searcher.getIndexReader().leaves().get(0); |
| |
| Scorer scorer = weight.scorer(context); |
| BitSet bits = parentsFilter.getBitSet(reader.leaves().get(0)); |
| int parent = 0; |
| for (int i = 0; i < 9; i++) { |
| parent = bits.nextSetBit(parent + 1); |
| assertEquals(parent, scorer.iterator().nextDoc()); |
| } |
| assertEquals(DocIdSetIterator.NO_MORE_DOCS, scorer.iterator().nextDoc()); |
| |
| scorer = weight.scorer(context); |
| scorer.setMinCompetitiveScore(0f); |
| parent = 0; |
| for (int i = 0; i < 9; i++) { |
| parent = bits.nextSetBit(parent + 1); |
| assertEquals(parent, scorer.iterator().nextDoc()); |
| } |
| assertEquals(DocIdSetIterator.NO_MORE_DOCS, scorer.iterator().nextDoc()); |
| |
| scorer = weight.scorer(context); |
| scorer.setMinCompetitiveScore(Math.nextUp(0f)); |
| assertEquals(DocIdSetIterator.NO_MORE_DOCS, scorer.iterator().nextDoc()); |
| |
| scorer = weight.scorer(context); |
| assertEquals(2, scorer.iterator().nextDoc()); |
| scorer.setMinCompetitiveScore(Math.nextUp(0f)); |
| assertEquals(DocIdSetIterator.NO_MORE_DOCS, scorer.iterator().nextDoc()); |
| |
| reader.close(); |
| dir.close(); |
| } |
| } |