go-zero/core/breaker/nopbreaker.go

66 lines
1.3 KiB
Go

package breaker
import "context"
const nopBreakerName = "nopBreaker"
type nopBreaker struct{}
// NopBreaker returns a breaker that never trigger breaker circuit.
func NopBreaker() Breaker {
return nopBreaker{}
}
func (b nopBreaker) Name() string {
return nopBreakerName
}
func (b nopBreaker) Allow() (Promise, error) {
return nopPromise{}, nil
}
func (b nopBreaker) AllowCtx(_ context.Context) (Promise, error) {
return nopPromise{}, nil
}
func (b nopBreaker) Do(req func() error) error {
return req()
}
func (b nopBreaker) DoCtx(_ context.Context, req func() error) error {
return req()
}
func (b nopBreaker) DoWithAcceptable(req func() error, _ Acceptable) error {
return req()
}
func (b nopBreaker) DoWithAcceptableCtx(_ context.Context, req func() error, _ Acceptable) error {
return req()
}
func (b nopBreaker) DoWithFallback(req func() error, _ Fallback) error {
return req()
}
func (b nopBreaker) DoWithFallbackCtx(_ context.Context, req func() error, _ Fallback) error {
return req()
}
func (b nopBreaker) DoWithFallbackAcceptable(req func() error, _ Fallback, _ Acceptable) error {
return req()
}
func (b nopBreaker) DoWithFallbackAcceptableCtx(_ context.Context, req func() error,
_ Fallback, _ Acceptable) error {
return req()
}
type nopPromise struct{}
func (p nopPromise) Accept() {
}
func (p nopPromise) Reject(_ string) {
}