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60 lines
1.2 KiB
60 lines
1.2 KiB
package breaker_test
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import (
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"fmt"
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"time"
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"github.com/go-kratos/kratos/pkg/net/netutil/breaker"
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xtime "github.com/go-kratos/kratos/pkg/time"
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)
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// ExampleGroup show group usage.
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func ExampleGroup() {
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c := &breaker.Config{
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Window: xtime.Duration(3 * time.Second),
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K: 1.5,
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Bucket: 10,
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Request: 100,
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}
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// init default config
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breaker.Init(c)
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// new group
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g := breaker.NewGroup(c)
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// reload group config
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c.Bucket = 100
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c.Request = 200
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g.Reload(c)
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// get breaker by key
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g.Get("key")
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}
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// ExampleBreaker show breaker usage.
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func ExampleBreaker() {
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// new group,use default breaker config
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g := breaker.NewGroup(nil)
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brk := g.Get("key")
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// mark request success
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brk.MarkSuccess()
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// mark request failed
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brk.MarkFailed()
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// check if breaker allow or not
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if brk.Allow() == nil {
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fmt.Println("breaker allow")
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} else {
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fmt.Println("breaker not allow")
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}
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}
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// ExampleGo this example create a default group and show function callback
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// according to the state of breaker.
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func ExampleGo() {
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run := func() error {
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return nil
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}
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fallback := func() error {
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return fmt.Errorf("unknown error")
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}
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if err := breaker.Go("example_go", run, fallback); err != nil {
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fmt.Println(err)
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}
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}
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