metrics-clojure / metrics-clojure-core / src / metrics / utils.clj

Steve Losh 26d62ce 
Michael Klishin 76c089a 

Steve Losh 26d62ce 

Steve Losh d179910 

Steve Losh 26d62ce 
Michael Klishin 1d12924 
Steve Losh 26d62ce 

Steve Losh e6b15a1 
Steve Losh 26d62ce 

Steve Losh 2bf9a78 

(ns metrics.utils
  (:import com.yammer.metrics.Metrics
           [com.yammer.metrics.core Sampling MetricName]))

(defn get-percentile [^Sampling metric ^double percentile]
  (-> metric
    (.getValue percentile)))

(defn get-percentiles [metric percentiles]
  (zipmap percentiles
          (map (partial get-percentile metric)

(defn ^MetricName metric-name [title]
  (if (string? title)
    (new MetricName "default" "default" ^String title)
    (new MetricName
         ^String (first title)
         ^String (second title)
         ^String (last title))))

(defn all-metrics []
  (letfn [(parse-name [^MetricName metric-name]
            (str (.getGroup metric-name)
                 "." (.getType metric-name)
                 "." (.getName metric-name)))
          (parse-entry [[metric-name metric]]
            [(parse-name metric-name)
    (into {} (map parse-entry (.allMetrics (Metrics/defaultRegistry))))))

(defn desugared-title
  "Syntactic sugary goodness for defining metrics concisely with macros.

  Returns a vector of: [symbol-to-define MetricName]"
    (string? mn) [(symbol mn) mn]
    (symbol? mn) [mn (str mn)]
    :else [(symbol (last mn))
           (map str mn)]))
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