concurrency

type EtcdMutex struct {
	// contains filtered or unexported fields
}

type Mutex interface {
	// Lock get lock through chain id and sequence
	//
	// If it returned an error, indicates that the call failed.
	// Whether successful or not,
	// the current sequence saved in the distributed lock is returned.
	// Negative sequence(<0) are returned unless there are some unknown exceptions.
	Lock(sequence int64) (int64, error)

	// Update update the sequence saved in the distributed lock.
	Update(sequence int64) error

	// Unlock after successfully acquiring the lock, the lock needs to be unlocked.
	//
	// If it returned an error, indicates that the call failed.
	Unlock(success bool) error

	// Close close the lock
	Close() error
}

type StandaloneMutex struct {
	// contains filtered or unexported fields
}