memory

Documentation

Index

• Variables
• type Resource
  • func NewResource() *Resource
  • func (r *Resource) Read() (string, shiftlock.FencingToken)
  • func (r *Resource) Write(token shiftlock.FencingToken, value string) error

Variables

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

ErrStaleFencingToken is returned when a resource mutation carries a stale token.

Types

type Resource

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

Resource is an in-process fenced resource for tests and examples.

func NewResource

func NewResource() *Resource

NewResource creates an empty fenced resource.

func (*Resource) Read

func (r *Resource) Read() (string, shiftlock.FencingToken)

Read returns the current value and fencing token.

func (*Resource) Write

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

Write mutates the resource only if token is accepted by the fencing epoch.