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Class: ActiveModel::ReadOnlyAttributeSet

Do not use. This class is for internal use only.
Relationships & Source Files
Inherits: Object
Defined in: activemodel/lib/active_model/attribute_set.rb

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(attributes) ⇒ ReadOnlyAttributeSet

Raises:

  • (ArgumentError)
[ GitHub ] 

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 13



def initialize(attributes)
  @attributes = attributes
  raise ArgumentError, "all attributes should be initialized" unless all_initialized?
  freeze
end


  







Instance Attribute Details



  

    #all_initialized?  ⇒ Boolean  (readonly, private)
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 70



def all_initialized?
  attributes.values.all? { |v| v.initialized? }
end


  








  

    #attributes   (readonly)
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 67



attr_reader :attributes


  








  

    #each_value   (readonly)
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 11



delegate :each_value, :fetch, :except, to: :attributes


  








  

    #except   (readonly)
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 11



delegate :each_value, :fetch, :except, to: :attributes


  








  

    #fetch   (readonly)
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 11



delegate :each_value, :fetch, :except, to: :attributes


  








  

    #read_only?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 63



def read_only?
  true
end


  







Instance Method Details



  

    #==(other)  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 59



def ==(other)
  other.class == self.class && attributes == other.attributes
end


  








  

    #[](name)  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 19



def [](name)
  @attributes[name] || default_attribute(name)
end


  








  

    #cast_types  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 23



def cast_types
  attributes.transform_values(&:type)
end


  








  

    #deep_dup  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 55



def deep_dup
  self.class.new(attributes.transform_values(&:deep_dup))
end


  








  

    #default_attribute(name)   (private)
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 74



def default_attribute(name)
  Attribute.null(name)
end


  








  

    #include?(name)  
  



  

    
Alias for #key?.

  



  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 34



alias :include? :key?


  








  

    #key?(name)  ⇒ Boolean 
    Also known as: #include?
  



  

    
  





  


  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 31



def key?(name)
  attributes.key?(name)
end


  








  

    #keys  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 27



def keys
  attributes.keys
end


  








  

    #map(&block)  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 50



def map(&block)
  new_attributes = attributes.transform_values(&block)
  self.class.new(new_attributes)
end


  








  

    #to_h  
  



  

    
Alias for #to_hash.

  



  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 48



alias :to_h :to_hash


  








  

    #to_hash  
    Also known as: #to_h
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 44



def to_hash
  keys.index_with { |name| self[name].value }
end


  








  

    #values  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 36



def values
  attributes.values
end


  








  

    #writable  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 40



def writable
  AttributeSet.new(attributes.transform_values(&:dup))
end