micro/selector/registry/options.go

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package registry
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import (
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"context"
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"time"
"github.com/micro/go-micro/selector"
)
// Set the registry cache ttl
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func TTL(t time.Duration) selector.Option {
return func(o *selector.Options) {
if o.Context == nil {
o.Context = context.Background()
}
o.Context = context.WithValue(o.Context, "selector_ttl", t)
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}
}