Module: Property::Attribute::ClassMethods

Defined in:
lib/property/attribute.rb

Instance Method Summary collapse

Instance Method Details

#store_properties_in(accessor) ⇒ Object



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# File 'lib/property/attribute.rb', line 37

def store_properties_in(accessor)
  if accessor.nil? || accessor == self
    accessor = ''
  else
    accessor = "#{accessor}."
  end
  load_and_dump_methods ="    private\n      @@invalid_property_failover = nil\n      \n      def load_properties\n        raw_data = \#{accessor}read_attribute('properties')\n        prop = raw_data ? decode_properties(raw_data) : Properties.new\n        # We need to set the owner to access property definitions and enable\n        # type casting on write.\n        prop.owner = self\n        prop\n      rescue => err\n        if @@invalid_property_failover\n          Properties[@@invalid_property_failover]\n        else\n          raise Property::DecodingError.new err.message\n        end\n      end\n\n      def dump_properties\n        if @properties && @properties.changed?\n          if [email protected]?\n            \#{accessor}write_attribute('properties', encode_properties(@properties))\n          else\n            \#{accessor}write_attribute('properties', nil)\n          end\n          @properties.clear_changes!\n        end\n        true\n      end\n      \n      def self.invalid_property_failover(failover)\n        raise \"Invalid failover property value type: should be a Hash.\" unless failover.kind_of?(Hash) || failover == nil\n        @@invalid_property_failover = failover\n      end\n  EOF\n  class_eval(load_and_dump_methods, __FILE__, __LINE__)\nend\n"