### Home Classes Methods

### In Files

- lib/active_record/reflection.rb

### Parent

Object

### Methods

- ::new
- #==
- #class_name
- #klass

### Files

- README.rdoc

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No matching classes.

# 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

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