| /* |
| * 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.index; |
| |
| |
| import java.util.Set; |
| import java.util.concurrent.ExecutorService; |
| |
| import org.apache.lucene.search.IndexSearcher; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.store.MockDirectoryWrapper; |
| import org.apache.lucene.util.LuceneTestCase.SuppressCodecs; |
| import org.junit.Before; |
| |
| // TODO |
| // - mix in forceMerge, addIndexes |
| // - randomoly mix in non-congruent docs |
| |
| @SuppressCodecs({ "SimpleText", "Direct" }) |
| public class TestNRTThreads extends ThreadedIndexingAndSearchingTestCase { |
| |
| private boolean useNonNrtReaders = true; |
| |
| @Before |
| public void setUp() throws Exception { |
| super.setUp(); |
| useNonNrtReaders = random().nextBoolean(); |
| } |
| |
| @Override |
| protected void doSearching(ExecutorService es, long stopTime) throws Exception { |
| |
| boolean anyOpenDelFiles = false; |
| |
| DirectoryReader r = DirectoryReader.open(writer); |
| |
| while (System.currentTimeMillis() < stopTime && !failed.get()) { |
| if (random().nextBoolean()) { |
| if (VERBOSE) { |
| System.out.println("TEST: now reopen r=" + r); |
| } |
| final DirectoryReader r2 = DirectoryReader.openIfChanged(r); |
| if (r2 != null) { |
| r.close(); |
| r = r2; |
| } |
| } else { |
| if (VERBOSE) { |
| System.out.println("TEST: now close reader=" + r); |
| } |
| r.close(); |
| writer.commit(); |
| final Set<String> openDeletedFiles = ((MockDirectoryWrapper) dir).getOpenDeletedFiles(); |
| if (openDeletedFiles.size() > 0) { |
| System.out.println("OBD files: " + openDeletedFiles); |
| } |
| anyOpenDelFiles |= openDeletedFiles.size() > 0; |
| //assertEquals("open but deleted: " + openDeletedFiles, 0, openDeletedFiles.size()); |
| if (VERBOSE) { |
| System.out.println("TEST: now open"); |
| } |
| r = DirectoryReader.open(writer); |
| } |
| if (VERBOSE) { |
| System.out.println("TEST: got new reader=" + r); |
| } |
| //System.out.println("numDocs=" + r.numDocs() + " |
| //openDelFileCount=" + dir.openDeleteFileCount()); |
| |
| if (r.numDocs() > 0) { |
| fixedSearcher = new IndexSearcher(r, es); |
| smokeTestSearcher(fixedSearcher); |
| runSearchThreads(System.currentTimeMillis() + 100); |
| } |
| } |
| r.close(); |
| |
| //System.out.println("numDocs=" + r.numDocs() + " openDelFileCount=" + dir.openDeleteFileCount()); |
| final Set<String> openDeletedFiles = ((MockDirectoryWrapper) dir).getOpenDeletedFiles(); |
| if (openDeletedFiles.size() > 0) { |
| System.out.println("OBD files: " + openDeletedFiles); |
| } |
| anyOpenDelFiles |= openDeletedFiles.size() > 0; |
| |
| assertFalse("saw non-zero open-but-deleted count", anyOpenDelFiles); |
| } |
| |
| @Override |
| protected Directory getDirectory(Directory in) { |
| assert in instanceof MockDirectoryWrapper; |
| if (!useNonNrtReaders) ((MockDirectoryWrapper) in).setAssertNoDeleteOpenFile(true); |
| return in; |
| } |
| |
| @Override |
| protected void doAfterWriter(ExecutorService es) throws Exception { |
| // Force writer to do reader pooling, always, so that |
| // all merged segments, even for merges before |
| // doSearching is called, are warmed: |
| writer.getReader().close(); |
| } |
| |
| private IndexSearcher fixedSearcher; |
| |
| @Override |
| protected IndexSearcher getCurrentSearcher() throws Exception { |
| return fixedSearcher; |
| } |
| |
| @Override |
| protected void releaseSearcher(IndexSearcher s) throws Exception { |
| if (s != fixedSearcher) { |
| // Final searcher: |
| s.getIndexReader().close(); |
| } |
| } |
| |
| @Override |
| protected IndexSearcher getFinalSearcher() throws Exception { |
| final IndexReader r2; |
| if (useNonNrtReaders) { |
| if (random().nextBoolean()) { |
| r2 = writer.getReader(); |
| } else { |
| writer.commit(); |
| r2 = DirectoryReader.open(dir); |
| } |
| } else { |
| r2 = writer.getReader(); |
| } |
| return newSearcher(r2); |
| } |
| |
| public void testNRTThreads() throws Exception { |
| runTest("TestNRTThreads"); |
| } |
| } |