| /* |
| * 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.solr.index; |
| |
| import java.io.IOException; |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.document.Field; |
| import org.apache.lucene.document.SortedDocValuesField; |
| import org.apache.lucene.document.SortedSetDocValuesField; |
| import org.apache.lucene.document.TextField; |
| import org.apache.lucene.index.DirectoryReader; |
| import org.apache.lucene.index.IndexReader; |
| import org.apache.lucene.index.LeafReader; |
| import org.apache.lucene.index.MultiDocValues.MultiSortedDocValues; |
| import org.apache.lucene.index.MultiDocValues.MultiSortedSetDocValues; |
| import org.apache.lucene.index.MultiTerms; |
| import org.apache.lucene.index.NoMergePolicy; |
| import org.apache.lucene.index.RandomIndexWriter; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.util.BytesRef; |
| import org.apache.lucene.util.TestUtil; |
| import org.apache.solr.SolrTestCase; |
| |
| public class TestSlowCompositeReaderWrapper extends SolrTestCase { |
| |
| public void testCoreListenerOnSlowCompositeReaderWrapper() throws IOException { |
| RandomIndexWriter w = new RandomIndexWriter(random(), newDirectory()); |
| final int numDocs = TestUtil.nextInt(random(), 1, 5); |
| for (int i = 0; i < numDocs; ++i) { |
| w.addDocument(new Document()); |
| if (random().nextBoolean()) { |
| w.commit(); |
| } |
| } |
| w.commit(); |
| w.close(); |
| |
| final IndexReader reader = DirectoryReader.open(w.w.getDirectory()); |
| final LeafReader leafReader = SlowCompositeReaderWrapper.wrap(reader); |
| |
| final int numListeners = TestUtil.nextInt(random(), 1, 10); |
| final List<IndexReader.ClosedListener> listeners = new ArrayList<>(); |
| AtomicInteger counter = new AtomicInteger(numListeners); |
| |
| for (int i = 0; i < numListeners; ++i) { |
| CountCoreListener listener = new CountCoreListener(counter, leafReader.getCoreCacheHelper().getKey()); |
| listeners.add(listener); |
| leafReader.getCoreCacheHelper().addClosedListener(listener); |
| } |
| for (int i = 0; i < 100; ++i) { |
| leafReader.getCoreCacheHelper().addClosedListener(listeners.get(random().nextInt(listeners.size()))); |
| } |
| assertEquals(numListeners, counter.get()); |
| // make sure listeners are registered on the wrapped reader and that closing any of them has the same effect |
| if (random().nextBoolean()) { |
| reader.close(); |
| } else { |
| leafReader.close(); |
| } |
| assertEquals(0, counter.get()); |
| w.w.getDirectory().close(); |
| } |
| |
| private static final class CountCoreListener implements IndexReader.ClosedListener { |
| |
| private final AtomicInteger count; |
| private final Object coreCacheKey; |
| |
| public CountCoreListener(AtomicInteger count, Object coreCacheKey) { |
| this.count = count; |
| this.coreCacheKey = coreCacheKey; |
| } |
| |
| @Override |
| public void onClose(IndexReader.CacheKey coreCacheKey) { |
| assertSame(this.coreCacheKey, coreCacheKey); |
| count.decrementAndGet(); |
| } |
| |
| } |
| |
| public void testOrdMapsAreCached() throws Exception { |
| Directory dir = newDirectory(); |
| RandomIndexWriter w = new RandomIndexWriter(random(), dir, newIndexWriterConfig().setMergePolicy(NoMergePolicy.INSTANCE)); |
| Document doc = new Document(); |
| doc.add(new SortedDocValuesField("sorted", new BytesRef("a"))); |
| doc.add(new SortedSetDocValuesField("sorted_set", new BytesRef("b"))); |
| doc.add(new SortedSetDocValuesField("sorted_set", new BytesRef("c"))); |
| w.addDocument(doc); |
| w.getReader().close(); |
| doc = new Document(); |
| doc.add(new SortedDocValuesField("sorted", new BytesRef("b"))); |
| doc.add(new SortedSetDocValuesField("sorted_set", new BytesRef("c"))); |
| doc.add(new SortedSetDocValuesField("sorted_set", new BytesRef("d"))); |
| w.addDocument(doc); |
| IndexReader reader = w.getReader(); |
| assertTrue(reader.leaves().size() > 1); |
| SlowCompositeReaderWrapper slowWrapper = (SlowCompositeReaderWrapper) SlowCompositeReaderWrapper.wrap(reader); |
| assertEquals(0, slowWrapper.cachedOrdMaps.size()); |
| assertEquals(MultiSortedDocValues.class, slowWrapper.getSortedDocValues("sorted").getClass()); |
| assertEquals(1, slowWrapper.cachedOrdMaps.size()); |
| assertEquals(MultiSortedSetDocValues.class, slowWrapper.getSortedSetDocValues("sorted_set").getClass()); |
| assertEquals(2, slowWrapper.cachedOrdMaps.size()); |
| reader.close(); |
| w.close(); |
| dir.close(); |
| } |
| |
| public void testTermsAreCached() throws IOException { |
| Directory dir = newDirectory(); |
| RandomIndexWriter w = new RandomIndexWriter(random(), dir, newIndexWriterConfig().setMergePolicy(NoMergePolicy.INSTANCE)); |
| Document doc = new Document(); |
| doc.add(new TextField("text", "hello world", Field.Store.NO)); |
| w.addDocument(doc); |
| w.getReader().close(); |
| doc = new Document(); |
| doc.add(new TextField("text", "cruel world", Field.Store.NO)); |
| w.addDocument(doc); |
| |
| IndexReader reader = w.getReader(); |
| assertTrue(reader.leaves().size() > 1); |
| SlowCompositeReaderWrapper slowWrapper = (SlowCompositeReaderWrapper) SlowCompositeReaderWrapper.wrap(reader); |
| assertEquals(0, slowWrapper.cachedTerms.size()); |
| assertEquals(MultiTerms.class, slowWrapper.terms("text").getClass()); |
| assertEquals(1, slowWrapper.cachedTerms.size()); |
| assertNull(slowWrapper.terms("bogusField")); |
| assertEquals(1, slowWrapper.cachedTerms.size());//bogus field isn't cached |
| reader.close(); |
| w.close(); |
| dir.close(); |
| } |
| } |