Class: Ardm::Property::Discriminator

Inherits:
Class show all
Defined in:
lib/ardm/property/discriminator.rb

Defined Under Namespace

Modules: Model

Constant Summary

Constants inherited from Ardm::Property

INVALID_NAMES, Infinity, JSON, OPTIONS, PRIMITIVES, VISIBILITY_OPTIONS

Instance Attribute Summary

Attributes inherited from Ardm::Property

#allow_blank, #allow_nil, #coercion_method, #default, #dump_as, #index, #instance_variable_name, #load_as, #model, #name, #options, #reader_visibility, #required, #unique_index, #writer_visibility

Instance Method Summary collapse

Methods inherited from Class

#typecast

Methods inherited from Object

#marshal, #to_child_key, #unmarshal

Methods inherited from Ardm::Property

accept_options, accepted_options, #allow_blank?, #allow_nil?, #assert_valid_value, demodulize, demodulized_names, descendants, determine_class, #field, find_class, #get, #get!, inherited, #inspect, #key?, #lazy?, #loaded?, options, primitive, #primitive, #primitive?, #properties, #required?, #serial?, #set, #set!, #set_default_value, #typecast, #unique?, #valid?, #value_dumped?, #value_loaded?

Methods included from Equalizer

#equalize

Methods included from Subject

#default?, #default_for

Methods included from Assertions

#assert_kind_of

Instance Method Details

#bind ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 



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# File 'lib/ardm/property/discriminator.rb', line 27

def bind
  model.inheritance_column = field
  model.extend Model unless model < Model
end

#dump(value) ⇒ Object

ActiveRecord just stores the string name of the class. We dump false for a bad value because it results in a class that isn’t in the “dump_as”.

Expects the class name to be a valid class name that is loaded and available.



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# File 'lib/ardm/property/discriminator.rb', line 17

def dump(value)
  dumped = typecast(value)
  dumped.name if dumped.is_a?(::Class)
end

#load(value) ⇒ Object 



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# File 'lib/ardm/property/discriminator.rb', line 22

def load(value)
  typecast(value)
end