state

type OptionalInfo struct {
	// Message is additional message that will be added to Task State. Use nil for empty.
	Message *string
	// Healthy indicates if task is healthy (true) or not (false) for unknown pass nil.
	Healthy *bool
}

type Updater interface {
	// Update sends task state update to Mesos agent. It should be a non-blocking
	// call.
	Update(mesos.TaskID, mesos.TaskState)

	// UpdateWithMessage sends task state update with optional fields to Mesos agent. It
	// should be a non-blocking call.
	UpdateWithOptions(mesos.TaskID, mesos.TaskState, OptionalInfo)

	// Acknowledge marks task state update with matching uuid as acknowledged by Mesos agent.
	Acknowledge([]byte)

	// GetUnacknowledged returns slice of unacknowledged task statuses.
	GetUnacknowledged() []executor.Call_Update

	// Wait continues sending state updates to Mesos agent until all of them are
	// sent or given duration is exceeded.
	Wait(time.Duration) error
}