/*
* 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 java.lang.ref.Reference;
import java.lang.ref.ReferenceQueue;
import java.lang.ref.WeakReference;
import java.util.ArrayList;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import org.apache.jackrabbit.test.AbstractJCRTest;
/**
* Test if sessions get garbage collected.
*/
public class SessionGarbageCollectedTest extends AbstractJCRTest {
public void testSessionsGetGarbageCollected() throws RepositoryException {
ArrayList list = new ArrayList();
ReferenceQueue detect = new ReferenceQueue();
Error error = null;
try {
for (int i = 0;; i++) {
Session s = helper.getReadWriteSession();
// eat a lot of memory so it gets garbage collected quickly
// (or quickly runs out of memory)
Node n = s.getRootNode().addNode("n" + i);
n.setProperty("x", new String(new char[1000000]));
list.add(new WeakReference(s, detect));
if (detect.poll() != null) {
break;
}
}
} catch (OutOfMemoryError e) {
error = e;
}
for (int i = 0; i < list.size(); i++) {
Reference ref = (Reference) list.get(i);
Session s = (Session) ref.get();
if (s != null) {
s.logout();
}
}
if (error != null) {
throw error;
}
}
}