Mongoid::Hierarchy::ClassMethods

Public Instance Methods

hereditary?() click to toggle source

Determines if the document is a subclass of another document.

@example Check if the document is a subclass.

Square.hereditary?

@return [ true, false ] True if hereditary, false if not.

# File lib/mongoid/hierarchy.rb, line 141
def hereditary?
  Mongoid::Document > superclass
end

inherited(subclass) click to toggle source

When inheriting, we want to copy the fields from the parent class and set the on the child to start, mimicking the behaviour of the old class_inheritable_accessor that was deprecated in Rails edge.

@example Inherit from this class.

Person.inherited(Doctor)

@param [ Class ] subclass The inheriting class.

@since 2.0.0.rc.6

# File lib/mongoid/hierarchy.rb, line 155
def inherited(subclass)
  super
  @_type = nil
  subclass.aliased_fields = aliased_fields.dup
  subclass.fields = fields.dup
  subclass.pre_processed_defaults = pre_processed_defaults.dup
  subclass.post_processed_defaults = post_processed_defaults.dup
  subclass.scopes = scopes.dup
end

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Mongoid::Hierarchy::ClassMethods

Public Instance Methods