44 lines
896 B
Go
44 lines
896 B
Go
package random
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import (
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"go.unistack.org/micro/v3/selector"
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"go.unistack.org/micro/v3/util/rand"
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)
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type random struct{}
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func (r *random) Select(routes []string, opts ...selector.SelectOption) (selector.Next, error) {
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// we can't select from an empty pool of routes
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if len(routes) == 0 {
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return nil, selector.ErrNoneAvailable
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}
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// return the next func
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return func() string {
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// if there is only one route provided we'll select it
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if len(routes) == 1 {
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return routes[0]
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}
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var rng rand.Rand
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// select a random route from the slice
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return routes[rng.Intn(len(routes))]
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}, nil
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}
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func (r *random) Record(_ string, _ error) error {
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return nil
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}
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func (r *random) Reset() error {
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return nil
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}
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func (r *random) String() string {
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return "random"
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}
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// NewSelector returns a random selector
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func NewSelector(opts ...selector.Option) selector.Selector {
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return &random{}
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}
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