god/conditions/restart_file_present

restart_file_present.rb

module God
  module Conditions
    class RestartFilePresent < PollCondition
      attr_reader :restart_file

      def initialize
        super
      end

      def restart_file=(file)
        @restart_file = file
        delete if exists?
      end

      def exists?
        File.exists? restart_file
      end

      def delete
        File.delete restart_file
        true
      end

      def valid?
        if restart_file
          true
        else
          complain("Attribute 'restart_file' must be specified", self)
        end
      end

      def test
        exists? ? delete : false
      end
    end
  end
end