package org.apache.lucene.facet.taxonomy;
/*
* 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.
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import java.io.IOException;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.facet.FacetField;
import org.apache.lucene.facet.FacetTestCase;
import org.apache.lucene.facet.FacetsConfig;
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;
public class TestCachedOrdinalsReader extends FacetTestCase {
@Test
public void testWithThreads() 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);
FacetsConfig config = new FacetsConfig();
Document doc = new Document();
doc.add(new FacetField("A", "1"));
writer.addDocument(config.build(taxoWriter, doc));
doc = new Document();
doc.add(new FacetField("A", "2"));
writer.addDocument(config.build(taxoWriter, doc));
final DirectoryReader reader = DirectoryReader.open(writer, true);
final CachedOrdinalsReader ordsReader = new CachedOrdinalsReader(new DocValuesOrdinalsReader(FacetsConfig.DEFAULT_INDEX_FIELD_NAME));
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 {
ordsReader.getReader(context);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
};
}
long ramBytesUsed = 0;
for (Thread t : threads) {
t.start();
t.join();
if (ramBytesUsed == 0) {
ramBytesUsed = ordsReader.ramBytesUsed();
} else {
assertEquals(ramBytesUsed, ordsReader.ramBytesUsed());
}
}
IOUtils.close(writer, taxoWriter, reader, indexDir, taxoDir);
}
}