/*
* JBoss, Home of Professional Open Source
* Copyright 2009 Red Hat Inc. and/or its affiliates and other
* contributors as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a full listing of
* individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
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*/
package org.infinispan.api.mvcc;
import org.infinispan.config.Configuration;
import org.infinispan.context.InvocationContextContainer;
import org.infinispan.manager.EmbeddedCacheManager;
import org.infinispan.test.SingleCacheManagerTest;
import org.infinispan.test.TestingUtil;
import org.infinispan.test.fwk.TestCacheManagerFactory;
import org.infinispan.util.concurrent.locks.LockManager;
import org.infinispan.util.concurrent.locks.containers.LockContainer;
import org.testng.annotations.Test;
import java.util.LinkedList;
import java.util.List;
import java.util.concurrent.CountDownLatch;
@Test(groups = "functional", sequential = true, testName = "api.mvcc.LockPerEntryTest")
public class LockPerEntryTest extends SingleCacheManagerTest {
protected EmbeddedCacheManager createCacheManager() throws Exception {
Configuration cfg = new Configuration();
cfg.setUseLockStriping(false);
return TestCacheManagerFactory.createCacheManager(cfg);
}
public void testLocksCleanedUp() {
cache = cacheManager.getCache();
cache.put("/a/b/c", "v");
cache.put("/a/b/d", "v");
assertNoLocks();
}
@Test (enabled = false)
public void testLocksConcurrency() throws Exception {
cache = cacheManager.getCache();
final int NUM_THREADS = 10;
final CountDownLatch l = new CountDownLatch(1);
final int numLoops = 1000;
final List<Exception> exceptions = new LinkedList<Exception>();
Thread[] t = new Thread[NUM_THREADS];
for (int i = 0; i < NUM_THREADS; i++)
t[i] = new Thread() {
public void run() {
try {
l.await();
}
catch (Exception e) {
// ignore
}
for (int i = 0; i < numLoops; i++) {
try {
switch (i % 2) {
case 0:
cache.put("Key" + i, "v");
break;
case 1:
cache.remove("Key" + i);
break;
}
}
catch (Exception e) {
exceptions.add(e);
}
}
}
};
for (Thread th : t) th.start();
l.countDown();
for (Thread th : t) th.join();
if (!exceptions.isEmpty()) throw exceptions.get(0);
assertNoLocks();
}
private void assertNoLocks() {
LockManager lm = TestingUtil.extractLockManager(cache);
LockAssert.assertNoLocks(
lm, TestingUtil.extractComponentRegistry(cache).getComponent(InvocationContextContainer.class)
);
LockContainer lc = (LockContainer) TestingUtil.extractField(lm, "lockContainer");
assert lc.size() == 0;
}
}