package org.apache.lucene.facet.search;
import java.io.IOException;
import java.util.Arrays;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.facet.FacetTestCase;
import org.apache.lucene.facet.index.FacetFields;
import org.apache.lucene.facet.params.FacetIndexingParams;
import org.apache.lucene.facet.taxonomy.CategoryPath;
import org.apache.lucene.facet.taxonomy.directory.DirectoryTaxonomyWriter;
import org.apache.lucene.index.AtomicReaderContext;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.store.Directory;
import org.apache.lucene.util.IOUtils;
import org.junit.Test;
/*
* 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.
*/
public class OrdinalsCacheTest extends FacetTestCase {
@Test
public void testOrdinalsCacheWithThreads() throws Exception {
// LUCENE-5303: OrdinalsCache used the ThreadLocal BinaryDV instead of reader.getCoreCacheKey().
Directory indexDir = newDirectory();
Directory taxoDir = newDirectory();
IndexWriterConfig conf = newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()));
IndexWriter writer = new IndexWriter(indexDir, conf);
DirectoryTaxonomyWriter taxoWriter = new DirectoryTaxonomyWriter(taxoDir);
FacetFields facetFields = new FacetFields(taxoWriter);
Document doc = new Document();
facetFields.addFields(doc, Arrays.asList(new CategoryPath("A", "1")));
writer.addDocument(doc);
doc = new Document();
facetFields.addFields(doc, Arrays.asList(new CategoryPath("A", "2")));
writer.addDocument(doc);
writer.close();
taxoWriter.close();
final DirectoryReader reader = DirectoryReader.open(indexDir);
Thread[] threads = new Thread[3];
for (int i = 0; i < threads.length; i++) {
threads[i] = new Thread("CachedOrdsThread-" + i) {
@Override
public void run() {
for (AtomicReaderContext context : reader.leaves()) {
try {
OrdinalsCache.getCachedOrds(context, FacetIndexingParams.DEFAULT.getCategoryListParams(new CategoryPath("A")));
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
};
}
OrdinalsCache.clear();
long ramBytesUsed = 0;
for (Thread t : threads) {
t.start();
t.join();
if (ramBytesUsed == 0) {
ramBytesUsed = OrdinalsCache.ramBytesUsed();
} else {
assertEquals(ramBytesUsed, OrdinalsCache.ramBytesUsed());
}
}
reader.close();
IOUtils.close(indexDir, taxoDir);
}
}