redis

Documentation

Index

• Variables
• type Client
• type Resource
  • func (r *Resource) Write(ctx context.Context, token shiftlock.FencingToken, value string) error

Variables

var ErrStaleFencingToken = errors.New("fencing/redis: stale fencing token")

ErrStaleFencingToken is returned when a mutation carries a stale token.

Types

type Client

type Client interface {
	Eval(ctx context.Context, script string, keys []string, args ...any) (any, error)
}

Client is the minimal Redis surface for fenced writes.

type Resource

type Resource struct {
	Client Client
	Key    string
}

Resource stores a fenced value in Redis.

func (*Resource) Write

func (r *Resource) Write(ctx context.Context, token shiftlock.FencingToken, value string) error

Write mutates only if token is not stale.