shareds

type Caches interface {
	Get(ctx context.Context, key []byte) (value []byte, has bool)
	Exist(ctx context.Context, key []byte) (has bool)
	Set(ctx context.Context, key []byte, value []byte, ttl time.Duration) (ok bool)
	Remove(ctx context.Context, key []byte)
}

type Locker interface {
	Lock(ctx context.Context) (err error)
	Unlock(ctx context.Context) (err error)
}

type Lockers interface {
	Acquire(ctx context.Context, key []byte, ttl time.Duration) (locker Locker, err error)
}

type Store interface {
	Get(ctx context.Context, key []byte) (value []byte, has bool, err errors.CodeError)
	Set(ctx context.Context, key []byte, value []byte) (err errors.CodeError)
	SetWithTTL(ctx context.Context, key []byte, value []byte, ttl time.Duration) (err errors.CodeError)
	Incr(ctx context.Context, key []byte, delta int64) (v int64, err errors.CodeError)
	ExpireKey(ctx context.Context, key []byte, ttl time.Duration) (err errors.CodeError)
	Remove(ctx context.Context, key []byte) (err errors.CodeError)
	Close()
}