class ActiveRecord::Reflection::MacroReflection

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

Attributes

active_record[R]

macro[R]

Returns the macro type.

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

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 +{}+

Public Class Methods

new(macro, name, options, active_record) click to toggle source

# File lib/active_record/reflection.rb, line 105
def initialize(macro, name, options, active_record)
  @macro         = macro
  @name          = name
  @options       = options
  @active_record = active_record
  @plural_name   = active_record.pluralize_table_names ?
                      name.to_s.pluralize : name.to_s
end

Public Instance Methods

==(other_aggregation) click to toggle source

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 132
def ==(other_aggregation)
  super ||
    other_aggregation.kind_of?(self.class) &&
    name == other_aggregation.name &&
    other_aggregation.options &&
    active_record == other_aggregation.active_record
end

class_name() click to toggle source

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 126
def class_name
  @class_name ||= (options[:class_name] || derive_class_name).to_s
end

klass() click to toggle source

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 118
def klass
  @klass ||= class_name.constantize
end