package org.infinispan.lucene.impl;
import java.io.IOException;
import java.util.Set;
import java.util.concurrent.SynchronousQueue;
import java.util.concurrent.ThreadPoolExecutor;
import java.util.concurrent.TimeUnit;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.TextField;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.Lock;
import org.apache.lucene.store.LockFactory;
import org.infinispan.Cache;
import org.infinispan.commons.util.concurrent.ConcurrentHashSet;
import org.infinispan.configuration.cache.ConfigurationBuilder;
import org.infinispan.lucene.CacheTestSupport;
import org.infinispan.lucene.directory.DirectoryBuilder;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.test.SingleCacheManagerTest;
import org.infinispan.test.fwk.TestCacheManagerFactory;
import org.testng.AssertJUnit;
import org.testng.annotations.Test;
/**
* Tests covering DirecotoryImplementor class.
*
* @author Anna Manukyan
*/
@Test(groups = "functional", testName = "lucene.DirectoryImplementerTests")
public class DirectoryImplementerTests extends SingleCacheManagerTest {
private static final String INDEX_NAME = "index-A";
private static final int BUFFER_SIZE = 1024;
@Override
protected EmbeddedCacheManager createCacheManager() throws Exception {
ConfigurationBuilder configuration = CacheTestSupport.createLocalCacheConfiguration();
return TestCacheManagerFactory.createCacheManager(configuration);
}
@Test(expectedExceptions = IllegalArgumentException.class, expectedExceptionsMessageRegExp = "chunkSize must be a positive integer")
public void testInitWithInvalidChunkSize() throws IOException {
Directory dir = null;
try {
dir = DirectoryBuilder.newDirectoryInstance(cache, cache, cache, INDEX_NAME).chunkSize(0).create();
} finally {
if (dir != null) dir.close();
}
}
@Test(expectedExceptions = IllegalArgumentException.class)
public void testFailureOfOverrideWriteLocker() throws IOException {
Directory dir = null;
try {
dir = DirectoryBuilder.newDirectoryInstance(cache, cache, cache, INDEX_NAME).chunkSize(BUFFER_SIZE)
.overrideWriteLocker(null)
.create();
} finally {
if (dir != null) dir.close();
}
}
public void testOverrideWriteLocker() throws IOException {
Directory dir = null;
try {
dir = DirectoryBuilder.newDirectoryInstance(cache, cache, cache, INDEX_NAME).chunkSize(BUFFER_SIZE)
.overrideWriteLocker(new LockFactory() {
@Override
public Lock obtainLock(Directory dir, String lockName) throws IOException {
return null;
}
})
.create();
AssertJUnit.assertEquals(0, dir.listAll().length);
} finally {
if (dir != null) dir.close();
}
}
@Test
public void testGetIndexNameAndToString() throws IOException {
Cache cache = cacheManager.getCache();
Directory dir = null;
try {
dir = DirectoryBuilder.newDirectoryInstance(cache, cache, cache, INDEX_NAME).chunkSize(BUFFER_SIZE).create();
AssertJUnit.assertEquals(INDEX_NAME, ((DirectoryLucene) dir).getIndexName());
AssertJUnit.assertEquals("InfinispanDirectory{indexName=\'" + INDEX_NAME + "\'}", dir.toString());
} finally {
if (dir != null) dir.close();
}
}
@Test
public void testConfigureAsyncDeletes() throws Exception {
Cache cache = cacheManager.getCache();
Directory dir = null;
IndexWriterConfig iwc = new IndexWriterConfig(new StandardAnalyzer());
iwc.setMaxBufferedDocs(2);
IndexWriter indexWriter = null;
Document document = new Document();
document.add(new TextField("field", "whatever", Field.Store.YES));
TrackingThreadPoolExecutor executorService = new TrackingThreadPoolExecutor();
try {
dir = DirectoryBuilder.newDirectoryInstance(cache, cache, cache, INDEX_NAME)
.chunkSize(BUFFER_SIZE)
.deleteOperationsExecutor(executorService)
.create();
indexWriter = new IndexWriter(dir, iwc);
indexWriter.addDocument(document);
indexWriter.commit();
indexWriter.addDocument(document);
indexWriter.commit();
executorService.shutdown();
AssertJUnit.assertTrue(executorService.isSegmentDeleted("0"));
AssertJUnit.assertTrue(executorService.isSegmentDeleted("1"));
} finally {
if (indexWriter != null) indexWriter.close();
if (dir != null) dir.close();
}
}
class TrackingThreadPoolExecutor extends ThreadPoolExecutor {
private final Set<String> deletedSegments = new ConcurrentHashSet<>();
TrackingThreadPoolExecutor() {
super(0, 5, 60, TimeUnit.SECONDS, new SynchronousQueue<Runnable>(), new CallerRunsPolicy());
}
private String extractSegmentName(String fileName) {
if (!fileName.startsWith("_")) {
return null;
} else {
return fileName.substring(1, fileName.indexOf('.'));
}
}
@Override
protected void afterExecute(Runnable r, Throwable t) {
DirectoryLucene.DeleteTask task = (DirectoryLucene.DeleteTask) r;
String name = task.getFileName();
String segment = extractSegmentName(name);
if (segment != null) {
deletedSegments.add(segment);
}
}
public boolean isSegmentDeleted(String segmentName) {
return deletedSegments.contains(segmentName);
}
}
}