# File lib/active_record/connection_adapters/jdbc_adapter.rb, line 235
      def driver_class
        @driver_class ||= begin
          driver_class_const = (@name[0...1].capitalize + @name[1..@name.length]).gsub(/\./, '_')
          Jdbc::Mutex.synchronized do
            unless Jdbc.const_defined?(driver_class_const)
              driver_class_name = @name
              Jdbc.module_eval do
                include_class(driver_class_name) { driver_class_const }
              end
            end
          end
          driver_class = Jdbc.const_get(driver_class_const)
          raise "You specify a driver for your JDBC connection" unless driver_class
          driver_class
        end
      end