lib/mass_insert/process.rb in mass_insert-0.1.2 vs lib/mass_insert/process.rb in mass_insert-0.1.3

@@ -6,19 +6,28 @@
     def initialize values, options
       @values  = values
       @options = options
     end
 
-    # Calls the necessary methods to complete the mass insertion process
-    # and the time that each method takes being executed.
     def start
+      # MassInsert process is completed by two actions. The first one
+      # gets queries that will be persisted.
       @building_time  = Benchmark.measure do
-        @queries = Builder::Base.new.build(@values, @options)
+        @queries = builder.build(@values, @options)
       end
 
+      # The second one executes queries into the database using an
+      # ActiveRecord connection.
       @execution_time = Benchmark.measure do
-        Executer.new.execute(@queries)
+        executer.execute(@queries)
       end
     end
 
+    def builder
+      @builder ||= Builder::Base.new
+    end
+
+    def executer
+      @executer ||= Executer.new
+    end
   end
 end