group

type Group struct {
	Id        string                 `json:"_id"`
	Timestamp int64                  `json:"timestamp"`
	Nodes     []domain.NodeReference `json:"nodes"`
	Owner     string                 `json:"owner"`
	Modified  int64                  `json:"modified"`
}

type Repository interface {
	Find(id string) (*Group, bool)
	Insert(owner string, group *Group) *Group
	Delete(group *Group) *Group
}