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Class: ActiveRecord::Type::Serialized

Do not use. This class is for internal use only.
Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Instance Chain:
self, ::ActiveModel::Type::Helpers::Mutable
Inherits: Object
Defined in: activerecord/lib/active_record/type/serialized.rb

Class Method Summary

Instance Attribute Summary

::ActiveModel::Type::Helpers::Mutable - Included

#mutable?

Instance Method Summary

::ActiveModel::Type::Helpers::Mutable - Included

#cast,
#changed_in_place?

raw_old_value will be the _before_type_cast version of the value (likely a string).

Constructor Details

.new(subtype, coder, comparable: false) ⇒ Serialized

[ GitHub ] 

  


# File 'activerecord/lib/active_record/type/serialized.rb', line 12



def initialize(subtype, coder, comparable: false)
  @subtype = subtype
  @coder = coder
  @comparable = comparable
  super(subtype)
end


  







Instance Attribute Details



  

    #coder   (readonly)
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/type/serialized.rb', line 10



attr_reader :subtype, :coder


  








  

    #serialized?  ⇒ Boolean  (readonly)
  

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# File 'activerecord/lib/active_record/type/serialized.rb', line 63



def serialized? # :nodoc:
  true
end


  








  

    #subtype   (readonly)
  

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# File 'activerecord/lib/active_record/type/serialized.rb', line 10



attr_reader :subtype, :coder


  







Instance Method Details



  

    #accessor  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/type/serialized.rb', line 49



def accessor
  ActiveRecord::Store::IndifferentHashAccessor
end


  








  

    #assert_valid_value(value)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/type/serialized.rb', line 53



def assert_valid_value(value)
  if coder.respond_to?(:assert_valid_value)
    coder.assert_valid_value(value, action: "serialize")
  end
end


  








  

    #changed_in_place?(raw_old_value, value)  ⇒ Boolean 
  



  

    
  





  


  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/type/serialized.rb', line 36



def changed_in_place?(raw_old_value, value)
  return false if value.nil?

  if @comparable
    old_value = deserialize(raw_old_value)
    old_value != value
  else
    raw_new_value = encoded(value)
    raw_old_value.nil? != raw_new_value.nil? ||
      subtype.changed_in_place?(raw_old_value, raw_new_value)
  end
end


  








  

    #default_value?(value)  ⇒ Boolean  (private)
  



  

    
  





  


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# File 'activerecord/lib/active_record/type/serialized.rb', line 68



def default_value?(value)
  value == coder.load(nil)
end


  








  

    #deserialize(value)  
  

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# File 'activerecord/lib/active_record/type/serialized.rb', line 19



def deserialize(value)
  if default_value?(value)
    value
  else
    coder.load(super)
  end
end


  








  

    #encoded(value)   (private)
  

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# File 'activerecord/lib/active_record/type/serialized.rb', line 72



def encoded(value)
  return if default_value?(value)
  payload = coder.dump(value)
  if payload && @subtype.binary?
    ActiveModel::Type::Binary::Data.new(payload)
  else
    payload
  end
end


  








  

    #force_equality?(value)  ⇒ Boolean 
  



  

    
  





  


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# File 'activerecord/lib/active_record/type/serialized.rb', line 59



def force_equality?(value)
  coder.respond_to?(:object_class) && value.is_a?(coder.object_class)
end


  








  

    #serialize(value)  
  

  [ GitHub ]


  

  


# File 'activerecord/lib/active_record/type/serialized.rb', line 27



def serialize(value)
  return if value.nil?
  unless default_value?(value)
    super coder.dump(value)
  end
end