| /* |
| * 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.Random; |
| import java.util.concurrent.atomic.AtomicInteger; |
| |
| import org.apache.lucene.analysis.MockAnalyzer; |
| import org.apache.lucene.document.Document; |
| import org.apache.lucene.store.Directory; |
| import org.apache.lucene.store.MockDirectoryWrapper; |
| import org.apache.lucene.util.LuceneTestCase; |
| |
| public class TestNRTReaderWithThreads extends LuceneTestCase { |
| AtomicInteger seq = new AtomicInteger(1); |
| |
| public void testIndexing() throws Exception { |
| Directory mainDir = newDirectory(); |
| if (mainDir instanceof MockDirectoryWrapper) { |
| ((MockDirectoryWrapper)mainDir).setAssertNoDeleteOpenFile(true); |
| } |
| IndexWriter writer = new IndexWriter( |
| mainDir, |
| ensureSaneIWCOnNightly(newIndexWriterConfig(new MockAnalyzer(random())) |
| .setMaxBufferedDocs(10) |
| .setMergePolicy(newLogMergePolicy(false,2))) |
| ); |
| IndexReader reader = writer.getReader(); // start pooling readers |
| reader.close(); |
| int numThreads = TEST_NIGHTLY ? 4 : 2; |
| int numIterations = TEST_NIGHTLY ? 2000 : 50; |
| RunThread[] indexThreads = new RunThread[numThreads]; |
| for (int x=0; x < indexThreads.length; x++) { |
| indexThreads[x] = new RunThread(x % 2, writer, numIterations); |
| indexThreads[x].setName("Thread " + x); |
| indexThreads[x].start(); |
| } |
| |
| for (RunThread thread : indexThreads) { |
| thread.join(); |
| } |
| |
| writer.close(); |
| mainDir.close(); |
| |
| for (RunThread thread : indexThreads) { |
| if (thread.failure != null) { |
| throw new RuntimeException("hit exception from " + thread, thread.failure); |
| } |
| } |
| } |
| |
| public class RunThread extends Thread { |
| int type; |
| IndexWriter writer; |
| int numIterations; |
| |
| volatile Throwable failure; |
| int delCount = 0; |
| int addCount = 0; |
| final Random r = new Random(random().nextLong()); |
| |
| public RunThread(int type, IndexWriter writer, int numIterations) { |
| this.type = type; |
| this.writer = writer; |
| this.numIterations = numIterations; |
| } |
| |
| @Override |
| public void run() { |
| try { |
| for (int iter = 0; iter < numIterations; iter++) { |
| //int n = random.nextInt(2); |
| if (type == 0) { |
| int i = seq.addAndGet(1); |
| Document doc = DocHelper.createDocument(i, "index1", 10); |
| writer.addDocument(doc); |
| addCount++; |
| } else if (type == 1) { |
| // we may or may not delete because the term may not exist, |
| // however we're opening and closing the reader rapidly |
| IndexReader reader = writer.getReader(); |
| int id = r.nextInt(seq.intValue()); |
| Term term = new Term("id", Integer.toString(id)); |
| int count = TestIndexWriterReader.count(term, reader); |
| writer.deleteDocuments(term); |
| reader.close(); |
| delCount += count; |
| } |
| } |
| } catch (Throwable ex) { |
| ex.printStackTrace(System.out); |
| this.failure = failure; |
| throw new RuntimeException(ex); |
| } |
| } |
| } |
| } |