package scheduler

type Task interface {
	GetType() string
	GetId() string
	GetState() State
	Execute() (interface{}, error)
	Cancel()
	Pause()
	Start()
}

type State int

func (s State) Error() string {
	return s.String()
}

func (s State) String() string {
	switch s {
	case InitState:
		return "InitState"
	case RunningState:
		return "RunningState"
	case PauseState:
		return "PauseState"
	case CancelState:
		return "CancelState"
	case CompletedState:
		return "CompletedState"
	case TimeoutState:
		return "TimeoutState"
	case ErrorState:
		return "ErrorState"

	}
	return ""
}

func (s State) IsQuit() bool {
	return s != RunningState && s != InitState && s != PauseState
}

const (
	InitState      = State(0)
	RunningState   = State(1)
	PauseState     = State(2)
	CancelState    = State(3)
	CompletedState = State(4)
	TimeoutState   = State(5)
	ErrorState     = State(6)
)