patcher.rb in ddtrace-0.14.0.beta1

- old
+ new
@@ -1,47 +1,31 @@
+require 'ddtrace/contrib/patcher'
 require 'ddtrace/contrib/sequel/database'
 require 'ddtrace/contrib/sequel/dataset'
 
 module Datadog
   module Contrib
     module Sequel
       # Patcher enables patching of 'sequel' module.
       # This is used in monkey.rb to manually apply patches
       module Patcher
-        include Base
+        include Contrib::Patcher
 
-        APP = 'sequel'.freeze
-
-        register_as :sequel, auto_patch: false
-        option :service_name
-        option :tracer, default: Datadog.tracer
-
-        @patched = false
-
         module_function
 
-        # patched? tells whether patch has been successfully applied
         def patched?
-          @patched
+          done?(:sequel)
         end
 
         def patch
-          if !@patched && compatible?
+          do_once(:sequel) do
             begin
               patch_sequel_database
               patch_sequel_dataset
-
-              @patched = true
             rescue StandardError => e
               Datadog::Tracer.log.error("Unable to apply Sequel integration: #{e}")
             end
           end
-
-          @patched
-        end
-
-        def compatible?
-          RUBY_VERSION >= '2.0.0' && defined?(::Sequel)
         end
 
         def patch_sequel_database
           ::Sequel::Database.send(:include, Database)
         end