package random import ( "math/rand" "github.com/unistack-org/micro/v3/selector" ) type random struct{} func (r *random) Select(routes []string, opts ...selector.SelectOption) (selector.Next, error) { // we can't select from an empty pool of routes if len(routes) == 0 { return nil, selector.ErrNoneAvailable } // return the next func return func() string { // if there is only one route provided we'll select it if len(routes) == 1 { return routes[0] } // select a random route from the slice return routes[rand.Intn(len(routes)-1)] }, nil } func (r *random) Record(addr string, err error) error { return nil } func (r *random) Reset() error { return nil } func (r *random) String() string { return "random" } // NewSelector returns a random selector func NewSelector(opts ...selector.Option) selector.Selector { return new(random) }