probabilistic.rb in jaeger-client-0.9.0

- old
+ new

@@ -6,25 +6,23 @@
       # Probabilistic sampler
       #
       # Sample a portion of traces using trace_id as the random decision
       class Probabilistic
         def initialize(rate: 0.001)
-          @param = rate.to_s
           if rate < 0.0 || rate > 1.0
             raise "Sampling rate must be between 0.0 and 1.0, got #{rate.inspect}"
           end
+
           @boundary = TraceId::TRACE_ID_UPPER_BOUND * rate
+          @tags = {
+            'sampler.type' => 'probabilistic',
+            'sampler.param' => rate
+          }
         end
 
-        def sample?(trace_id)
-          @boundary >= trace_id
+        def sample?(trace_id:, **)
+          [@boundary >= trace_id, @tags]
         end
-
-        def type
-          'probabilistic'
-        end
-
-        attr_reader :param
       end
     end
   end
 end