rollback

Documentation

Index

• type FuncRollback
• type FuncRollbackHolder
  • func NewRollbackHolder(owner string) *FuncRollbackHolder
  • func (h *FuncRollbackHolder) Add(fn FuncRollback)
  • func (h *FuncRollbackHolder) RollbackReverseOrder()

Types

type FuncRollback

type FuncRollback struct {
	Name string
	Fn   func()
}

FuncRollback records function used to rolling back some operations. It is currently used by units' Init to release resources when failing in the half-way.

type FuncRollbackHolder

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

FuncRollbackHolder holds some RollbackFuncs.

func NewRollbackHolder

func NewRollbackHolder(owner string) *FuncRollbackHolder

NewRollbackHolder creates a new FuncRollbackHolder instance.

func (*FuncRollbackHolder) Add

func (h *FuncRollbackHolder) Add(fn FuncRollback)

Add adds a func to the holder.

func (*FuncRollbackHolder) RollbackReverseOrder

func (h *FuncRollbackHolder) RollbackReverseOrder()

RollbackReverseOrder executes rollback functions in reverse order.