lib/opentelemetry/propagator/b3/single.rb in opentelemetry-propagator-b3-0.13.0 vs lib/opentelemetry/propagator/b3/single.rb in opentelemetry-propagator-b3-0.14.0

@@ -20,21 +20,15 @@
     module B3
       # Namespace for OpenTelemetry b3 single header encoding
       module Single
         extend self
 
+        B3_CONTEXT_KEY = 'b3'
         TEXT_MAP_EXTRACTOR = TextMapExtractor.new
         TEXT_MAP_INJECTOR = TextMapInjector.new
-        RACK_EXTRACTOR = TextMapExtractor.new(
-          b3_key: 'HTTP_B3'
-        )
-        RACK_INJECTOR = TextMapInjector.new(
-          b3_key: 'HTTP_B3'
-        )
 
-        private_constant :TEXT_MAP_INJECTOR, :TEXT_MAP_EXTRACTOR, :RACK_INJECTOR,
-                         :RACK_EXTRACTOR
+        private_constant :B3_CONTEXT_KEY, :TEXT_MAP_INJECTOR, :TEXT_MAP_EXTRACTOR
 
         # Returns an extractor that extracts context in the B3 single header
         # format
         def text_map_injector
           TEXT_MAP_INJECTOR
@@ -42,23 +36,9 @@
 
         # Returns an injector that injects context in the B3 single header
         # format
         def text_map_extractor
           TEXT_MAP_EXTRACTOR
-        end
-
-        # Returns an extractor that extracts context in the B3 single header
-        # format with Rack normalized keys (upcased and prefixed with
-        # HTTP_)
-        def rack_injector
-          RACK_INJECTOR
-        end
-
-        # Returns an injector that injects context in the B3 single header
-        # format with Rack normalized keys (upcased and prefixed with
-        # HTTP_)
-        def rack_extractor
-          RACK_EXTRACTOR
         end
       end
     end
   end
 end