executor

type Executor interface {
	// LaunchTaskgroup xxx
	// launch taskgroup
	LaunchTaskgroup(*mesos.TaskGroupInfo)

	// Shutdown xxx
	// shut down
	Shutdown()

	// RegisterCallbackFunc xxx
	// register callback function
	RegisterCallbackFunc(types.CallbackFuncType, interface{})

	// GetExecutorStatus xxx
	// Get Executor status
	GetExecutorStatus() types.ExecutorStatus

	// ReloadTasks xxx
	// reload tasks, exec reloadCmd
	ReloadTasks() error

	// RestartTasks xxx
	// restart tasks, exec restartCmd
	RestartTasks() error

	AckTaskStatusMessage(taskId string, uuid []byte)
}