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ActiveRecord::Reflection::MacroReflection

Abstract base class for AggregateReflection and AssociationReflection that describes the interface available for both of those classes. Objects of AggregateReflection and AssociationReflection are returned by the Reflection::ClassMethods.

Attributes

active_record[R]

Public Class Methods

new(macro, name, options, active_record) click to toggle source
# File lib/active_record/reflection.rb, line 81
def initialize(macro, name, options, active_record)
  @macro, @name, @options, @active_record = macro, name, options, active_record
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 117
def ==(other_aggregation)
  other_aggregation.kind_of?(self.class) && name == other_aggregation.name && other_aggregation.options && active_record == other_aggregation.active_record
end
belongs_to?() click to toggle source

Returns true if self is a belongs_to reflection.

# File lib/active_record/reflection.rb, line 126
def belongs_to?
  macro == :belongs_to
end
class_name() click to toggle source

Returns the class name for the macro. For example, composed_of :balance, :class_name => 'Money' returns 'Money' and has_many :clients returns 'Client'.

# File lib/active_record/reflection.rb, line 111
def class_name
  @class_name ||= options[:class_name] || derive_class_name
end
klass() click to toggle source

Returns the class for the macro. For example, composed_of :balance, :class_name => 'Money' returns the Money class and has_many :clients returns the Client class.

# File lib/active_record/reflection.rb, line 105
def klass
  @klass ||= class_name.constantize
end
macro() click to toggle source

Returns the macro type. For example, composed_of :balance, :class_name => 'Money' will return :composed_of or for has_many :clients will return :has_many.

# File lib/active_record/reflection.rb, line 93
def macro
  @macro
end
name() click to toggle source

Returns the name of the macro. For example, composed_of :balance, :class_name => 'Money' will return :balance or for has_many :clients it will return :clients.

# File lib/active_record/reflection.rb, line 87
def name
  @name
end
options() click to toggle source

Returns the hash of options used for the macro. For example, it would return { :class_name => "Money" } for composed_of :balance, :class_name => 'Money' or +{}+ for has_many :clients.

# File lib/active_record/reflection.rb, line 99
def options
  @options
end

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