Finite-state machine in go

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go get -u trellis.tech/trellis/common.v3/state-machine/fsm

// Repo is the interface for managing namespace's transitions in cache
type Repo interface {
	// AddTransition add a transition into cache
	AddTransition(*Transition) error
	// RemoveTransition remove a transaction by information
	RemoveTransition(*Transition) error
	// ChangeCurrentStatus change namespace's current status by namespace and event
	ChangeCurrentStatus(namespace string, event string) (string, error)
	// GetTargetTransition get target transition by current information
	GetTargetTransition(namespace, curStatus, event string) (*Transition, error)
	// Remove remove all namespaces from cache
	Remove()
	// AddNamespace add a namespace into cache
	AddNamespace(namespace string) error
	// RemoveNamespace remove namespace's Transitions
	RemoveNamespace(namespace string)
}

// TransitionRepo is the interface for managing transitions in cache
type TransitionRepo interface {
	// Add a transaction into cache
	AddTransaction(trans *Transition) error
	// RemoveNamespace remove namespace's Transitions
	RemoveTransition(status, event string) error
	// RemoveByTransaction remove a transaction by information
	ChangeStatus(event string) (string, error)
	// GetTargetTransition get target transition by current information
	GetTargetTransition(status, event string) (*Transition, error)
	// SetCurrentStatus set current status
	SetCurrentStatus(status string) error
	// GetCurrentStatus get current status
	GetCurrentStatus() string
}

• main.go

• sample.yaml