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Class: ActiveModel::AttributeSet

Do not use. This class is for internal use only.
Relationships & Source Files
Namespace Children
Classes:
Builder, YAMLEncoder
Extension / Inclusion / Inheritance Descendants
Subclasses:
LazyAttributeSet
Inherits: Object
Defined in: activemodel/lib/active_model/attribute_set.rb,
activemodel/lib/active_model/attribute_set/builder.rb,
activemodel/lib/active_model/attribute_set/yaml_encoder.rb

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(attributes) ⇒ AttributeSet

[ GitHub ] 

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 12



def initialize(attributes)
  @attributes = attributes
end


  







Instance Attribute Details



  

    #attributes   (readonly, protected)
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 111



attr_reader :attributes


  








  

    #each_value   (readonly)
  

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# File 'activemodel/lib/active_model/attribute_set.rb', line 10



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


  








  

    #except   (readonly)
  

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# File 'activemodel/lib/active_model/attribute_set.rb', line 10



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


  








  

    #fetch   (readonly)
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 10



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


  







Instance Method Details



  

    #==(other)  
  

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# File 'activemodel/lib/active_model/attribute_set.rb', line 106



def ==(other)
  other.is_a?(AttributeSet) && attributes == other.send(:attributes)
end


  








  

    #[](name)  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 16



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


  








  

    #[]=(name, value)  
  

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# File 'activemodel/lib/active_model/attribute_set.rb', line 20



def []=(name, value)
  @attributes[name] = value
end


  








  

    #accessed  
  

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# File 'activemodel/lib/active_model/attribute_set.rb', line 93



def accessed
  attributes.each_key.select { |name| self[name].has_been_read? }
end


  








  

    #cast_types  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 24



def cast_types
  attributes.transform_values(&:type)
end


  








  

    #deep_dup  
  

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# File 'activemodel/lib/active_model/attribute_set.rb', line 73



def deep_dup
  AttributeSet.new(attributes.transform_values(&:deep_dup))
end


  








  

    #default_attribute(name)   (private)
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 114



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


  








  

    #fetch_value(name, &block)  
  

  [ GitHub ]


  

  


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



def fetch_value(name, &block)
  self[name].value(&block)
end


  








  

    #freeze  
  

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# File 'activemodel/lib/active_model/attribute_set.rb', line 68



def freeze
  attributes.freeze
  super
end


  








  

    #include?(name)  
  



  

    

Alias for #key?.


  



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



alias :include? :key?


  








  

    #initialize_clone(_)  
  

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# File 'activemodel/lib/active_model/attribute_set.rb', line 82



def initialize_clone(_)
  @attributes = @attributes.clone
  super
end


  








  

    #initialize_dup(_)  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 77



def initialize_dup(_)
  @attributes = @attributes.dup
  super
end


  








  

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



  

    
  





  


  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 41



def key?(name)
  attributes.key?(name) && self[name].initialized?
end


  








  

    #keys  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 46



def keys
  attributes.each_key.select { |name| self[name].initialized? }
end


  








  

    #map(&block)  
  

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# File 'activemodel/lib/active_model/attribute_set.rb', line 97



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


  








  

    #reset(key)  
  

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# File 'activemodel/lib/active_model/attribute_set.rb', line 87



def reset(key)
  if key?(key)
    write_from_database(key, nil)
  end
end


  








  

    #reverse_merge!(target_attributes)  
  

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# File 'activemodel/lib/active_model/attribute_set.rb', line 102



def reverse_merge!(target_attributes)
  attributes.reverse_merge!(target_attributes.attributes) && self
end


  








  

    #to_h  
  



  

    

Alias for #to_hash.


  



  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 39



alias :to_h :to_hash


  








  

    #to_hash  
    Also known as: #to_h
  

  [ GitHub ]


  

  


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



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


  








  

    #values_before_type_cast  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 28



def values_before_type_cast
  attributes.transform_values(&:value_before_type_cast)
end


  








  

    #values_for_database  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 32



def values_for_database
  attributes.transform_values(&:value_for_database)
end


  








  

    #write_cast_value(name, value)  
  

  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 64



def write_cast_value(name, value)
  @attributes[name] = self[name].with_cast_value(value)
end


  








  

    #write_from_database(name, value)  
  

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# File 'activemodel/lib/active_model/attribute_set.rb', line 54



def write_from_database(name, value)
  @attributes[name] = self[name].with_value_from_database(value)
end


  








  

    #write_from_user(name, value)  
  



  

    
  





  
Raises:


    
  
  • 
    (FrozenError)
  
    • 





  [ GitHub ]


  

  


# File 'activemodel/lib/active_model/attribute_set.rb', line 58



def write_from_user(name, value)
  raise FrozenError, "can't modify frozen attributes" if frozen?
  @attributes[name] = self[name].with_value_from_user(value)
  value
end