/*
* 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
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.infinispan.api.mvcc.read_committed;
import org.infinispan.Cache;
import org.infinispan.api.mvcc.LockTestBase;
import org.infinispan.util.concurrent.TimeoutException;
import org.testng.annotations.Test;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
@Test(groups = "functional", testName = "api.mvcc.read_committed.ReadCommittedLockTest")
public class ReadCommittedLockTest extends LockTestBase {
public ReadCommittedLockTest() {
repeatableRead = false;
}
public void testVisibilityOfCommittedDataPut() throws Exception {
Cache c = threadLocal.get().cache;
c.put("k", "v");
assert "v".equals(c.get("k"));
// start a tx and read K
threadLocal.get().tm.begin();
assert "v".equals(c.get("k"));
assert "v".equals(c.get("k"));
Transaction reader = threadLocal.get().tm.suspend();
threadLocal.get().tm.begin();
c.put("k", "v2");
Transaction writer = threadLocal.get().tm.suspend();
threadLocal.get().tm.resume(reader);
assert "v".equals(c.get("k")) : "Should not read uncommitted data";
reader = threadLocal.get().tm.suspend();
threadLocal.get().tm.resume(writer);
threadLocal.get().tm.commit();
threadLocal.get().tm.resume(reader);
assert "v2".equals(c.get("k")) : "Should read committed data";
threadLocal.get().tm.commit();
}
public void testVisibilityOfCommittedDataReplace() throws Exception {
Cache c = threadLocal.get().cache;
c.put("k", "v");
assert "v".equals(c.get("k"));
// start a tx and read K
threadLocal.get().tm.begin();
assert "v".equals(c.get("k"));
assert "v".equals(c.get("k"));
Transaction reader = threadLocal.get().tm.suspend();
threadLocal.get().tm.begin();
c.replace("k", "v2");
Transaction writer = threadLocal.get().tm.suspend();
threadLocal.get().tm.resume(reader);
assert "v".equals(c.get("k")) : "Should not read uncommitted data";
reader = threadLocal.get().tm.suspend();
threadLocal.get().tm.resume(writer);
threadLocal.get().tm.commit();
threadLocal.get().tm.resume(reader);
assert "v2".equals(c.get("k")) : "Should read committed data";
threadLocal.get().tm.commit();
}
public void testConcurrentWriters() throws Exception {
super.testConcurrentWriters();
}
}