class ActiveRecord::Reflection::MacroReflection

Parent:: ActiveRecord::Reflection::AbstractReflection

Base class for AggregateReflection and AssociationReflection. Objects of AggregateReflection and AssociationReflection are returned by the Reflection::ClassMethods.

Attributes

active_record[R]

name[R]

Returns the name of the macro.

composed_of :balance, class_name: 'Money' returns :balance has_many :clients returns :clients

options[R]

Returns the hash of options used for the macro.

composed_of :balance, class_name: 'Money' returns { class_name: "Money" } has_many :clients returns {}

scope[R]

Public Class Methods

new(name, scope, options, active_record) Show source

# File activerecord/lib/active_record/reflection.rb, line 273
def initialize(name, scope, options, active_record)
  @name          = name
  @scope         = scope
  @options       = options
  @active_record = active_record
  @klass         = options[:anonymous_class]
  @plural_name   = active_record.pluralize_table_names ?
                      name.to_s.pluralize : name.to_s
end

Public Instance Methods

==(other_aggregation) Show source

# File activerecord/lib/active_record/reflection.rb, line 306
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

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.

Calls superclass method

autosave=(autosave) Show source

# File activerecord/lib/active_record/reflection.rb, line 283
def autosave=(autosave)
  @automatic_inverse_of = false
  @options[:autosave] = autosave
  parent_reflection = self.parent_reflection
  if parent_reflection
    parent_reflection.autosave = autosave
  end
end

compute_class(name) Show source

# File activerecord/lib/active_record/reflection.rb, line 300
def compute_class(name)
  name.constantize
end

klass() Show source

# File activerecord/lib/active_record/reflection.rb, line 296
def klass
  @klass ||= compute_class(class_name)
end

Returns the class for the macro.

composed_of :balance, class_name: 'Money' returns the Money class has_many :clients returns the Client class

scope_for(klass) Show source

# File activerecord/lib/active_record/reflection.rb, line 314
def scope_for(klass)
  scope ? klass.unscoped.instance_exec(nil, &scope) : klass.unscoped
end