@Override
public void shutdown(boolean fromShutdownHook) {
stateGuard.writeLock().lock();
try {
state = state.shutdown();
gcTimer.cancel();
lockLeaseTimer.cancel();
remoteLockManager.shutdown();
runningCondition.signalAll();
LockStateNode.shutdown();
} finally {
stateGuard.writeLock().unlock();
}
}
