/*
* 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.VersionHistory;
import javax.jcr.version.Version;
/**
* <code>ReadVersionsWhileModified</code> tests if version history can be read
* consistently while it is modified by another thread.
* <p>
* This is a test case for: <a href="http://issues.apache.org/jira/browse/JCR-18">
* JCR-18</a>
*/
public class ReadVersionsWhileModified extends AbstractConcurrencyTest {
private static final int RUN_NUM_SECONDS = 20;
public void testVersionHistory() throws RepositoryException {
final Node n = testRootNode.addNode(nodeName1);
n.addMixin(mixVersionable);
testRootNode.save();
final Session s = getHelper().getSuperuserSession();
Thread t = new Thread(new Runnable() {
public void run() {
long end = System.currentTimeMillis() + RUN_NUM_SECONDS * 1000;
try {
Node vn = (Node) s.getItem(n.getPath());
while (end > System.currentTimeMillis()) {
vn.checkout();
vn.checkin();
}
} catch (RepositoryException e) {
e.printStackTrace();
} finally {
s.logout();
}
}
});
t.start();
VersionHistory vh = n.getVersionHistory();
while (t.isAlive()) {
// walk version history
Version v = vh.getRootVersion();
while (v.getSuccessors().length > 0) {
v = v.getSuccessors()[0];
}
}
}
}