breaker

package
v0.6.0 Latest Latest
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Published: May 20, 2021 License: BSD-3-Clause Imports: 3 Imported by: 0

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Constants

This section is empty.

Variables

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var (

	// ErrClosed is the special error type that indicates that breaker is closed and that is not executing functions at the moment.
	ErrClosed = errors.New("breaker closed")
)

Functions

This section is empty.

Types

type Interface

type Interface interface {
	// Execute runs f() if the limit number of consecutive failed calls is not reached within fail interval.
	// f() call is not locked so it can still be executed concurrently.
	// Returns `ErrClosed` if the limit is reached or f() result otherwise.
	Execute(f func() error) error

	// ClosedUntil returns the timestamp when the breaker will become open again.
	ClosedUntil() time.Time
}

func NewBreaker

func NewBreaker(o Options) Interface

type Options

type Options struct {
	Limit        int
	FailInterval time.Duration
	StartBackoff time.Duration
	MaxBackoff   time.Duration
}

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