case AWAIT:
return new AwaitOperation();
case BEFORE_AWAIT_BACKUP:
return new BeforeAwaitBackupOperation();
case BEFORE_AWAIT:
return new BeforeAwaitOperation();
case GET_LOCK_COUNT:
return new GetLockCountOperation();
case GET_REMAINING_LEASETIME:
return new GetRemainingLeaseTimeOperation();
case IS_LOCKED: