class ActiveRecord::Reflection::MacroReflection
Base class for AggregateReflection and AssociationReflection. Objects of AggregateReflection and AssociationReflection are returned by the Reflection::ClassMethods.
MacroReflection AggregateReflection AssociationReflection ThroughReflection
Attributes
Returns the macro type.
composed_of :balance, class_name: 'Money'
returns
:composed_of
has_many :clients
returns
:has_many
Returns the name of the macro.
composed_of :balance, class_name: 'Money'
returns
:balance
has_many :clients
returns
:clients
Returns the hash of options used for the macro.
composed_of :balance, class_name: 'Money'
returns
{ class_name: "Money" }
has_many
:clients
returns {}
Public Class Methods
# File lib/active_record/reflection.rb, line 143 def initialize(macro, name, scope, options, active_record) @macro = macro @name = name @scope = scope @options = options @active_record = active_record @klass = options[:class] @plural_name = active_record.pluralize_table_names ? name.to_s.pluralize : name.to_s end
Public Instance Methods
Returns true
if self
and
other_aggregation
have the same name
attribute,
active_record
attribute, and other_aggregation
has an options hash assigned to it.
# File lib/active_record/reflection.rb, line 181 def ==(other_aggregation) super || other_aggregation.kind_of?(self.class) && name == other_aggregation.name && !other_aggregation.options.nil? && active_record == other_aggregation.active_record end
# File lib/active_record/reflection.rb, line 154 def autosave=(autosave) @automatic_inverse_of = false @options[:autosave] = autosave _, parent_reflection = self.parent_reflection if parent_reflection parent_reflection.autosave = autosave end end
Returns the class name for the macro.
composed_of :balance, class_name: 'Money'
returns
'Money'
has_many :clients
returns
'Client'
# File lib/active_record/reflection.rb, line 175 def class_name @class_name ||= (options[:class_name] || derive_class_name).to_s end
Returns the class for the macro.
composed_of :balance, class_name: 'Money'
returns the
Money class has_many :clients
returns the Client class
# File lib/active_record/reflection.rb, line 167 def klass @klass ||= class_name.constantize end
Private Instance Methods
# File lib/active_record/reflection.rb, line 190 def derive_class_name name.to_s.camelize end