Module: Mongoid::Traversable::DiscriminatorAssignment Private
- Defined in:
- lib/mongoid/traversable.rb
Overview
This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.
Module used for prepending to the various discriminator_*= methods
Instance Method Summary collapse
-
#discriminator_key=(value) ⇒ Object
private
Sets the discriminator key.
-
#discriminator_value=(value) ⇒ String
private
Returns the discriminator key.
Instance Method Details
#discriminator_key=(value) ⇒ 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.
Sets the discriminator key.
rubocop:disable Metrics/AbcSize
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# File 'lib/mongoid/traversable.rb', line 135 def discriminator_key=(value) raise Errors::InvalidDiscriminatorKeyTarget.new(self, superclass) if hereditary? _mongoid_clear_types if value Mongoid::Fields::Validators::Macro.validate_field_name(self, value) value = value.to_s ::Mongoid::Traversable.__redefine(self, 'discriminator_key', value) else # When discriminator key is set to nil, replace the class's definition # of the discriminator key reader (provided by class_attribute earlier) # and re-delegate to Mongoid. class << self delegate :discriminator_key, to: ::Mongoid end end # This condition checks if the new discriminator key would overwrite # an existing field. # This condition also checks if the class has any descendants, because # if it doesn't then it doesn't need a discriminator key. return if fields.key?(discriminator_key) || descendants.empty? default_proc = -> { self.class.discriminator_value } field(discriminator_key, default: default_proc, type: String) end |
#discriminator_value=(value) ⇒ String
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.
Returns the discriminator key.
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# File 'lib/mongoid/traversable.rb', line 169 def discriminator_value=(value) value ||= name _mongoid_clear_types add_discriminator_mapping(value) @discriminator_value = value end |