| /* |
| * 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 static org.apache.jackrabbit.commons.JcrUtils.in; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.Iterator; |
| import java.util.List; |
| |
| import javax.jcr.Node; |
| import javax.jcr.RepositoryException; |
| import javax.jcr.Session; |
| import javax.jcr.nodetype.NodeType; |
| |
| import com.google.common.collect.Iterators; |
| |
| import org.apache.jackrabbit.oak.fixture.NodeStoreFixture; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * <code>ConcurrentAddReferenceTest</code> adds nodes with multiple sessions in separate |
| * locations of the repository and creates references to a single node. |
| */ |
| public class ConcurrentAddReferenceTest extends AbstractRepositoryTest { |
| |
| private static final int NUM_WORKERS = 10; |
| |
| private static final int NODES_PER_WORKER = 100; |
| |
| private String refPath; |
| |
| private Node testRoot; |
| |
| public ConcurrentAddReferenceTest(NodeStoreFixture fixture) { |
| super(fixture); |
| } |
| |
| @Before |
| public void setup() throws RepositoryException { |
| Session session = getAdminSession(); |
| Node root = session.getRootNode(); |
| Node testNode = root.addNode("test_referenceable"); |
| testNode.addMixin(NodeType.MIX_REFERENCEABLE); |
| testRoot = getAdminSession().getRootNode().addNode("test"); |
| session.save(); |
| refPath = testNode.getPath(); |
| } |
| |
| @After |
| public void tearDown() throws RepositoryException { |
| Session session = getAdminSession(); |
| testRoot.remove(); |
| session.removeItem(refPath); |
| session.save(); |
| } |
| |
| @SuppressWarnings("unchecked") |
| @Test |
| public void addReferences() throws Exception { |
| List<Exception> exceptions = Collections.synchronizedList(new ArrayList<Exception>()); |
| List<Thread> worker = new ArrayList<Thread>(); |
| for (int i = 0; i < NUM_WORKERS; i++) { |
| String path = testRoot.addNode("node" + i).getPath(); |
| worker.add(new Thread(new Worker( |
| createAdminSession(), path, exceptions))); |
| } |
| getAdminSession().save(); |
| for (Thread t : worker) { |
| t.start(); |
| } |
| for (Thread t : worker) { |
| t.join(); |
| } |
| for (Exception e : exceptions) { |
| fail(e.toString()); |
| } |
| getAdminSession().refresh(false); |
| for (Node n : in((Iterator<Node>) testRoot.getNodes())) { |
| assertEquals(NODES_PER_WORKER, Iterators.size(n.getNodes())); |
| } |
| } |
| |
| private final class Worker implements Runnable { |
| |
| private final Session s; |
| private final String path; |
| private final List<Exception> exceptions; |
| |
| Worker(Session s, String path, List<Exception> exceptions) { |
| this.s = s; |
| this.path = path; |
| this.exceptions = exceptions; |
| } |
| |
| @Override |
| public void run() { |
| try { |
| s.refresh(false); |
| Node n = s.getNode(path); |
| Node refNode = s.getNode(refPath); |
| for (int i = 0; i < NODES_PER_WORKER; i++) { |
| Node n1 = n.addNode("node" + i); |
| n1.setProperty("myRef", refNode); |
| s.save(); |
| } |
| } catch (RepositoryException e) { |
| exceptions.add(e); |
| } finally { |
| s.logout(); |
| } |
| } |
| } |
| } |