diff options
Diffstat (limited to 'vendor/github.com/rcrowley/go-metrics/healthcheck.go')
-rw-r--r-- | vendor/github.com/rcrowley/go-metrics/healthcheck.go | 61 |
1 files changed, 0 insertions, 61 deletions
diff --git a/vendor/github.com/rcrowley/go-metrics/healthcheck.go b/vendor/github.com/rcrowley/go-metrics/healthcheck.go deleted file mode 100644 index 445131cae..000000000 --- a/vendor/github.com/rcrowley/go-metrics/healthcheck.go +++ /dev/null @@ -1,61 +0,0 @@ -package metrics - -// Healthchecks hold an error value describing an arbitrary up/down status. -type Healthcheck interface { - Check() - Error() error - Healthy() - Unhealthy(error) -} - -// NewHealthcheck constructs a new Healthcheck which will use the given -// function to update its status. -func NewHealthcheck(f func(Healthcheck)) Healthcheck { - if UseNilMetrics { - return NilHealthcheck{} - } - return &StandardHealthcheck{nil, f} -} - -// NilHealthcheck is a no-op. -type NilHealthcheck struct{} - -// Check is a no-op. -func (NilHealthcheck) Check() {} - -// Error is a no-op. -func (NilHealthcheck) Error() error { return nil } - -// Healthy is a no-op. -func (NilHealthcheck) Healthy() {} - -// Unhealthy is a no-op. -func (NilHealthcheck) Unhealthy(error) {} - -// StandardHealthcheck is the standard implementation of a Healthcheck and -// stores the status and a function to call to update the status. -type StandardHealthcheck struct { - err error - f func(Healthcheck) -} - -// Check runs the healthcheck function to update the healthcheck's status. -func (h *StandardHealthcheck) Check() { - h.f(h) -} - -// Error returns the healthcheck's status, which will be nil if it is healthy. -func (h *StandardHealthcheck) Error() error { - return h.err -} - -// Healthy marks the healthcheck as healthy. -func (h *StandardHealthcheck) Healthy() { - h.err = nil -} - -// Unhealthy marks the healthcheck as unhealthy. The error is stored and -// may be retrieved by the Error method. -func (h *StandardHealthcheck) Unhealthy(err error) { - h.err = err -} |