Author: mduerig
Date: Thu Jan 30 13:39:53 2014
New Revision: 1562820
URL: http://svn.apache.org/r1562820
Log:
OAK-1370: Guard against concurrent read access through the same session
@Ignored test case
Added:
jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/ConcurrentReadIT.java
Added:
jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/ConcurrentReadIT.java
URL:
http://svn.apache.org/viewvc/jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/ConcurrentReadIT.java?rev=1562820&view=auto
==============================================================================
---
jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/ConcurrentReadIT.java
(added)
+++
jackrabbit/oak/trunk/oak-jcr/src/test/java/org/apache/jackrabbit/oak/jcr/ConcurrentReadIT.java
Thu Jan 30 13:39:53 2014
@@ -0,0 +1,89 @@
+/*
+ * 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.jackrabbit.oak.jcr;
+
+import java.util.List;
+import java.util.concurrent.Callable;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.Executors;
+import java.util.concurrent.TimeUnit;
+
+import javax.jcr.Node;
+import javax.jcr.NodeIterator;
+import javax.jcr.RepositoryException;
+import javax.jcr.Session;
+
+import com.google.common.collect.Lists;
+import com.google.common.util.concurrent.Futures;
+import com.google.common.util.concurrent.ListenableFuture;
+import com.google.common.util.concurrent.ListeningExecutorService;
+import com.google.common.util.concurrent.MoreExecutors;
+import org.junit.Ignore;
+import org.junit.Test;
+
+/**
+ * Test cases asserting concurrent session access does not
+ * corrupt Oak internal data structures.
+ */
+public class ConcurrentReadIT extends AbstractRepositoryTest {
+ public ConcurrentReadIT(NodeStoreFixture fixture) {
+ super(fixture);
+ }
+
+ @Ignore("OAK-1370") // FIXME OAK-1370
+ @Test
+ public void concurrentNodeIteration()
+ throws RepositoryException, InterruptedException,
ExecutionException {
+ final Session session = createAdminSession();
+ try {
+ final Node testRoot = session.getRootNode().addNode("test-root");
+ for (int k = 0; k < 50; k++) {
+ testRoot.addNode("n" + k);
+ }
+ session.save();
+
+ ListeningExecutorService executorService =
MoreExecutors.listeningDecorator(
+ Executors.newCachedThreadPool());
+
+ List<ListenableFuture<?>> futures = Lists.newArrayList();
+ for (int k = 0; k < 20; k ++) {
+ futures.add(executorService.submit(new Callable<Void>() {
+ @Override
+ public Void call() throws Exception {
+ for (int k = 0; k < 100000; k++) {
+ session.refresh(false);
+ NodeIterator children = testRoot.getNodes();
+ children.hasNext();
+ }
+ return null;
+ }
+ }));
+ }
+
+ // Throws ExecutionException if any of the submitted task failed
+ Futures.allAsList(futures).get();
+ executorService.shutdown();
+ executorService.awaitTermination(1, TimeUnit.DAYS);
+ } finally {
+ session.logout();
+ }
+ }
+
+}