gogetter

type Failer struct {
	Getter    Getter  // Getter's Get method is invoked when the Failer instance doesn't fail.
	Frequency float64 // Frequency specifies how often a failure should occur. Set to 0.0 to never fail and 1.0 to always fail.
}

type Getter interface {
	Get(url string) (*http.Response, error)
}

type Prefixer struct {
	// The object whose Get method is invoked to get results for a query.
	Getter Getter

	// Prefix for each query, commonly the hostname.
	Prefix string
}

type Retrier struct {
	// Getter is the object whose Get method is invoked to Get the results for a query.
	Getter Getter

	// RetryCount is number of query retries to be issued if query returns error. Leave 0 to
	// never retry query errors. But if you don't want to retry errors, It's best not to use a
	// Retrier...
	RetryCount int

	// RetryCallback is predicate function that tests whether query should be retried for a
	// given error. Leave nil to retry all errors.
	RetryCallback func(error) bool

	// RetryPause is the amount of time to wait before retrying the query with the underlying
	// Getter.
	RetryPause time.Duration
}