/*
* 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.core;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.Node;
import javax.jcr.version.Version;
import java.util.List;
import java.util.ArrayList;
import java.util.Random;
/**
* <code>ConcurrentVersioningTest</code> contains test cases that run version
* operations with concurrent threads.
*/
public class ConcurrentVersioningTest extends AbstractConcurrencyTest {
/**
* The number of threads.
*/
private static final int CONCURRENCY = 10;
/**
* The total number of operations to execute. E.g. number of checkins
* performed by the threads.
*/
private static final int NUM_OPERATIONS = 200;
public void testConcurrentAddVersionable() throws RepositoryException {
runTask(new Task() {
public void execute(Session session, Node test) throws RepositoryException {
// add versionable nodes
for (int i = 0; i < NUM_OPERATIONS / CONCURRENCY; i++) {
Node n = test.addNode("test" + i);
n.addMixin(mixVersionable);
session.save();
}
}
}, CONCURRENCY);
}
public void testConcurrentCheckin() throws RepositoryException {
runTask(new Task() {
public void execute(Session session, Node test) throws RepositoryException {
Node n = test.addNode("test");
n.addMixin(mixVersionable);
session.save();
for (int i = 0; i < NUM_OPERATIONS / CONCURRENCY; i++) {
n.checkout();
n.checkin();
}
n.checkout();
}
}, CONCURRENCY);
}
public void testConcurrentCreateAndCheckinCheckout() throws RepositoryException {
runTask(new Task() {
public void execute(Session session, Node test) throws RepositoryException {
// add versionable nodes
for (int i = 0; i < NUM_OPERATIONS / CONCURRENCY; i++) {
Node n = test.addNode("test" + i);
n.addMixin(mixVersionable);
session.save();
n.checkout();
n.checkin();
n.checkout();
}
}
}, CONCURRENCY);
}
public void testConcurrentRestore() throws RepositoryException {
runTask(new Task() {
public void execute(Session session, Node test) throws RepositoryException {
Node n = test.addNode("test");
n.addMixin(mixVersionable);
session.save();
// create 3 version
List versions = new ArrayList();
for (int i = 0; i < 3; i++) {
n.checkout();
versions.add(n.checkin());
}
// do random restores
Random rand = new Random();
for (int i = 0; i < NUM_OPERATIONS / CONCURRENCY; i++) {
Version v = (Version) versions.get(rand.nextInt(versions.size()));
n.restore(v, true);
}
n.checkout();
}
}, CONCURRENCY);
}
}