/*
* 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.repeatable_read;
import org.infinispan.Cache;
import org.infinispan.api.mvcc.LockTestBase;
import org.infinispan.transaction.tm.DummyTransactionManager;
import org.testng.annotations.Test;
import javax.transaction.Transaction;
import javax.transaction.TransactionManager;
@Test(groups = "functional", testName = "api.mvcc.repeatable_read.RepeatableReadLockTest")
public class RepeatableReadLockTest extends LockTestBase {
public RepeatableReadLockTest() {
repeatableRead = true;
}
public void testRepeatableReadWithRemove() throws Exception {
LockTestBaseTL tl = threadLocal.get();
Cache<String, String> cache = tl.cache;
TransactionManager tm = tl.tm;
cache.put("k", "v");
tm.begin();
assert cache.get("k") != null;
Transaction reader = tm.suspend();
tm.begin();
assert cache.remove("k") != null;
assert cache.get("k") == null;
tm.commit();
assert cache.get("k") == null;
tm.resume(reader);
assert cache.get("k") != null;
assert "v".equals(cache.get("k"));
tm.commit();
assert cache.get("k") == null;
assertNoLocks();
}
public void testRepeatableReadWithEvict() throws Exception {
LockTestBaseTL tl = threadLocal.get();
Cache<String, String> cache = tl.cache;
TransactionManager tm = tl.tm;
cache.put("k", "v");
tm.begin();
assert cache.get("k") != null;
Transaction reader = tm.suspend();
tm.begin();
cache.evict("k");
assert cache.get("k") == null;
tm.commit();
assert cache.get("k") == null;
tm.resume(reader);
assert cache.get("k") != null;
assert "v".equals(cache.get("k"));
tm.commit();
assert cache.get("k") == null;
assertNoLocks();
}
public void testRepeatableReadWithNull() throws Exception {
LockTestBaseTL tl = threadLocal.get();
Cache<String, String> cache = tl.cache;
TransactionManager tm = tl.tm;
assert cache.get("k") == null;
tm.begin();
assert cache.get("k") == null;
Transaction reader = tm.suspend();
tm.begin();
cache.put("k", "v");
assert cache.get("k") != null;
assert "v".equals(cache.get("k"));
tm.commit();
assert cache.get("k") != null;
assert "v".equals(cache.get("k"));
tm.resume(reader);
Object o = cache.get("k");
assert o == null : "found value " + o;
tm.commit();
assert cache.get("k") != null;
assert "v".equals(cache.get("k"));
assertNoLocks();
}
public void testRepeatableReadWithNullRemoval() throws Exception {
LockTestBaseTL tl = threadLocal.get();
Cache<String, String> cache = tl.cache;
TransactionManager tm = tl.tm;
// start with an empty cache
tm.begin();
cache.get("a");
Transaction tx = tm.suspend();
cache.put("a", "v2");
assert cache.get("a").equals("v2");
tm.resume(tx);
assert cache.get("a") == null : "expected null but received " + cache.get("a");
cache.remove("a");
tm.commit();
assert cache.get("a") == null : "expected null but received " + cache.get("a");
}
public void testLocksOnPutKeyVal() throws Exception {
LockTestBaseTL tl = threadLocal.get();
Cache<String, String> cache = tl.cache;
DummyTransactionManager tm = (DummyTransactionManager) tl.tm;
tm.begin();
cache.put("k", "v");
tm.getTransaction().runPrepare();
assertLocked("k");
tm.getTransaction().runCommitTx();
tm.suspend();
assertNoLocks();
tm.begin();
assert cache.get("k").equals("v");
assertNotLocked("k");
tm.commit();
assertNoLocks();
tm.begin();
cache.remove("k");
tm.getTransaction().runPrepare();
assertLocked("k");
tm.getTransaction().runCommitTx();
assertNoLocks();
}
}