backends.rb in prometheus-splash-0.6.0

- old
+ new

@@ -1,12 +1,18 @@
 # coding: utf-8
 Dir[File.dirname(__FILE__) + '/backends/*.rb'].each {|file| require file  }
 
+# base Splash Module
 module Splash
+
+  # generic backends module
   module Backends
     include Splash::Config
     include Splash::Constants
 
+    # factory for backend
+    # @param [Symbol] store the name of the store actually in [:execution_trace]
+    # @return [Splash::Backends::<Type>|Hash] with type in [:redis,:file] or Exiter case :configuration_error 
     def get_backend(store)
       backend = get_config[:backends][:stores][store][:type].to_s
       aclass = "Splash::Backends::#{backend.capitalize}"
       begin
         return Kernel.const_get(aclass)::new(store)