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go-zero/core/breaker/nopbreaker.go

43 lines
776 B
Go

4 years ago
package breaker
const noOpBreakerName = "nopBreaker"
type noOpBreaker struct{}
func newNoOpBreaker() Breaker {
return noOpBreaker{}
}
func (b noOpBreaker) Name() string {
return noOpBreakerName
}
func (b noOpBreaker) Allow() (Promise, error) {
return nopPromise{}, nil
}
func (b noOpBreaker) Do(req func() error) error {
return req()
}
func (b noOpBreaker) DoWithAcceptable(req func() error, _ Acceptable) error {
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return req()
}
func (b noOpBreaker) DoWithFallback(req func() error, _ func(err error) error) error {
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return req()
}
func (b noOpBreaker) DoWithFallbackAcceptable(req func() error, _ func(err error) error,
_ Acceptable) error {
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return req()
}
type nopPromise struct{}
func (p nopPromise) Accept() {
}
func (p nopPromise) Reject(_ string) {
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}