@Override
public int globalWaitingCount(LockID lock) {
waitUntilRunning();
int waiterCount = 0;
for (final ClientServerExchangeLockContext cselc : queryLock(lock)) {
switch (cselc.getState()) {
case WAITER:
waiterCount++;
break;
// $CASES-OMITTED$
default:
continue;
}
}
if (waiterCount > 0) {
return waiterCount;
}
final ClientLock lockState = getClientLockState(lock);
if (lockState != null) {
return lockState.waitingCount();
} else {
return 0;
}
}
@Override
public boolean isLocked(LockID lock, LockLevel level) {
waitUntilRunning();
final ClientLock lockState = getClientLockState(lock);
if (lockState != null) {
if (lockState.isLocked(level)) {
return true;
}
}
for (final ClientServerExchangeLockContext cselc : queryLock(lock)) {
if (this.remoteLockManager.getClientID().equals(cselc.getNodeID())) {
continue;
}
switch (cselc.getState()) {
case GREEDY_HOLDER_READ:
case HOLDER_READ:
if (level == LockLevel.READ) {
return true;
}
break;
case GREEDY_HOLDER_WRITE:
case HOLDER_WRITE:
if ((level == LockLevel.WRITE) || (level == LockLevel.SYNCHRONOUS_WRITE)) {
return true;
}
break;
// $CASES-OMITTED$
default:
continue;
}
}
return false;
}
@Override
public int globalHoldCount(LockID lock, LockLevel level) {
waitUntilRunning();
int holdCount = 0;
final ClientLock lockState = getClientLockState(lock);
if (lockState != null) {
holdCount += lockState.holdCount(level);
}
for (final ClientServerExchangeLockContext cselc : queryLock(lock)) {
if (this.remoteLockManager.getClientID().equals(cselc.getNodeID())) {
continue;
}
switch (cselc.getState()) {
case GREEDY_HOLDER_READ:
case HOLDER_READ:
if (level == LockLevel.READ) {
holdCount++;
}
break;
case GREEDY_HOLDER_WRITE:
holdCount++;
break;
case HOLDER_WRITE:
if ((level == LockLevel.WRITE) || (level == LockLevel.SYNCHRONOUS_WRITE)) {
holdCount++;
}
break;
// $CASES-OMITTED$
default:
break;
}
}
return holdCount;
}
@Override
public int globalPendingCount(LockID lock) {
waitUntilRunning();
int pendingCount = 0;
final ClientLock lockState = getClientLockState(lock);
if (lockState != null) {
pendingCount += lockState.pendingCount();
}
for (final ClientServerExchangeLockContext cselc : queryLock(lock)) {
switch (cselc.getState()) {
case PENDING_READ:
case PENDING_WRITE:
pendingCount++;
break;
// $CASES-OMITTED$
default:
continue;
}
}
return pendingCount;
}
