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subscriber_option.go
31 lines (25 loc) · 766 Bytes
/
subscriber_option.go
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package pm
type subscriberOptions struct {
subscriptionInterceptors []SubscriptionInterceptor
}
// SubscriberOption is a option to change subscriber configuration.
type SubscriberOption interface {
apply(*subscriberOptions)
}
type subscriberOptionFunc struct {
f func(*subscriberOptions)
}
func (s *subscriberOptionFunc) apply(so *subscriberOptions) {
s.f(so)
}
func newSubscriberOptionFunc(f func(*subscriberOptions)) *subscriberOptionFunc {
return &subscriberOptionFunc{
f: f,
}
}
// WithSubscriptionInterceptor sets subscription interceptors.
func WithSubscriptionInterceptor(interceptors ...SubscriptionInterceptor) SubscriberOption {
return newSubscriberOptionFunc(func(so *subscriberOptions) {
so.subscriptionInterceptors = interceptors
})
}