| /* |
| * 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.util.Bits; |
| import org.apache.lucene.util.DocIdSetBuilder; |
| import org.apache.lucene.util.FixedBitSet; |
| import org.apache.lucene.util.LuceneTestCase; |
| import org.apache.lucene.util.TestUtil; |
| |
| public class TestReqExclBulkScorer extends LuceneTestCase { |
| |
| public void testRandom() throws IOException { |
| final int iters = atLeast(10); |
| for (int iter = 0; iter < iters; ++iter) { |
| doTestRandom(); |
| } |
| } |
| |
| public void doTestRandom() throws IOException { |
| final int maxDoc = TestUtil.nextInt(random(), 1, 1000); |
| DocIdSetBuilder reqBuilder = new DocIdSetBuilder(maxDoc); |
| DocIdSetBuilder exclBuilder = new DocIdSetBuilder(maxDoc); |
| final int numIncludedDocs = TestUtil.nextInt(random(), 1, maxDoc); |
| final int numExcludedDocs = TestUtil.nextInt(random(), 1, maxDoc); |
| DocIdSetBuilder.BulkAdder reqAdder = reqBuilder.grow(numIncludedDocs); |
| for (int i = 0; i < numIncludedDocs; ++i) { |
| reqAdder.add(random().nextInt(maxDoc)); |
| } |
| DocIdSetBuilder.BulkAdder exclAdder = exclBuilder.grow(numExcludedDocs); |
| for (int i = 0; i < numExcludedDocs; ++i) { |
| exclAdder.add(random().nextInt(maxDoc)); |
| } |
| |
| final DocIdSet req = reqBuilder.build(); |
| final DocIdSet excl = exclBuilder.build(); |
| |
| final BulkScorer reqBulkScorer = new BulkScorer() { |
| final DocIdSetIterator iterator = req.iterator(); |
| |
| @Override |
| public int score(LeafCollector collector, Bits acceptDocs, int min, int max) throws IOException { |
| int doc = iterator.docID(); |
| if (iterator.docID() < min) { |
| doc = iterator.advance(min); |
| } |
| while (doc < max) { |
| if (acceptDocs == null || acceptDocs.get(doc)) { |
| collector.collect(doc); |
| } |
| doc = iterator.nextDoc(); |
| } |
| return doc; |
| } |
| |
| @Override |
| public long cost() { |
| return iterator.cost(); |
| } |
| }; |
| |
| ReqExclBulkScorer reqExcl = new ReqExclBulkScorer(reqBulkScorer, excl.iterator()); |
| final FixedBitSet actualMatches = new FixedBitSet(maxDoc); |
| if (random().nextBoolean()) { |
| reqExcl.score(new LeafCollector() { |
| @Override |
| public void setScorer(Scorable scorer) throws IOException {} |
| |
| @Override |
| public void collect(int doc) throws IOException { |
| actualMatches.set(doc); |
| } |
| }, null); |
| } else { |
| int next = 0; |
| while (next < maxDoc) { |
| final int min = next; |
| final int max = min + random().nextInt(10); |
| next = reqExcl.score(new LeafCollector() { |
| @Override |
| public void setScorer(Scorable scorer) throws IOException {} |
| |
| @Override |
| public void collect(int doc) throws IOException { |
| actualMatches.set(doc); |
| } |
| }, null, min, max); |
| assertTrue(next >= max); |
| } |
| } |
| |
| final FixedBitSet expectedMatches = new FixedBitSet(maxDoc); |
| expectedMatches.or(req.iterator()); |
| FixedBitSet excludedSet = new FixedBitSet(maxDoc); |
| excludedSet.or(excl.iterator()); |
| expectedMatches.andNot(excludedSet); |
| |
| assertArrayEquals(expectedMatches.getBits(), actualMatches.getBits()); |
| } |
| |
| } |