package org.jboss.cache.api.mvcc;
import org.jboss.cache.Fqn;
import org.jboss.cache.invocation.InvocationContextContainer;
import org.jboss.cache.lock.LockManager;
import org.jboss.cache.util.TestingUtil;
import org.jboss.cache.util.concurrent.locks.LockContainer;
/**
* Helper class to assert lock status in MVCC
*
* @author Manik Surtani (<a href="mailto:manik AT jboss DOT org">manik AT jboss DOT org</a>)
* @since 3.0
*/
public class LockAssert
{
public static void assertLocked(Fqn fqn, LockManager lockManager, InvocationContextContainer icc)
{
assert lockManager.isLocked(fqn) : fqn + " not locked!";
assert icc.get().getLocks().contains(fqn) : "Lock not recorded for " + fqn;
}
public static void assertNotLocked(Fqn fqn, LockManager lockManager, InvocationContextContainer icc)
{
// can't rely on the negative test since other nodes may share the same lock with lock striping.
// assert !lockManager.isLocked(fqn) : fqn + " is locked!";
assert !icc.get().getLocks().contains(fqn) : fqn + " lock recorded!";
}
public static void assertNoLocks(LockManager lockManager, InvocationContextContainer icc)
{
LockContainer lc = (LockContainer) TestingUtil.extractField(lockManager, "lockContainer");
assert lc.getNumLocksHeld() == 0 : "Stale locks exist! NumLocksHeld is " + lc.getNumLocksHeld() + " and lock info is " + lockManager.printLockInfo();
assert icc.get().getLocks().isEmpty() : "Stale (?) locks recorded! " + icc.get().getLocks();
}
}