lib/ddtelemetry/summary.rb in ddtelemetry-1.0.0a1 vs lib/ddtelemetry/summary.rb in ddtelemetry-1.0.0a2

@@ -1,55 +1,18 @@
 # frozen_string_literal: true
 
 module DDTelemetry
-  class Summary
-    class EmptySummaryError < StandardError
-      def message
-        'Cannot calculate quantile for empty summary'
-      end
+  class Summary < Metric
+    def observe(value, label)
+      basic_metric_for(label, BasicSummary).observe(value)
     end
 
-    def initialize
-      @values = []
+    def get(label)
+      values = basic_metric_for(label, BasicSummary).values
+      DDTelemetry::Stats.new(values)
     end
 
-    def observe(value)
-      @values << value
-      @sorted_values = nil
-    end
-
-    def count
-      @values.size
-    end
-
-    def sum
-      raise EmptySummaryError if @values.empty?
-      @values.reduce(:+)
-    end
-
-    def avg
-      sum / count
-    end
-
-    def min
-      quantile(0.0)
-    end
-
-    def max
-      quantile(1.0)
-    end
-
-    def quantile(fraction)
-      raise EmptySummaryError if @values.empty?
-
-      target = (@values.size - 1) * fraction.to_f
-      interp = target % 1.0
-      sorted_values[target.floor] * (1.0 - interp) + sorted_values[target.ceil] * interp
-    end
-
-    private
-
-    def sorted_values
-      @sorted_values ||= @values.sort
+    def to_s
+      DDTelemetry::Printer.new.summary_to_s(self)
     end
   end
 end