Class: ActiveRecord::Type::Serialized

Inherits:
ActiveModel::Type::Value
  • Object
show all
Includes:
ActiveModel::Type::Helpers::Mutable
Defined in:
lib/active_record/type/serialized.rb

Overview

:nodoc:

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(subtype, coder, comparable: false) ⇒ Serialized

Returns a new instance of Serialized.



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# File '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 ⇒ Object (readonly)

Returns the value of attribute coder.



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

def coder
  @coder
end

#subtype ⇒ Object (readonly)

Returns the value of attribute subtype.



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

def subtype
  @subtype
end

Instance Method Details

#accessor ⇒ Object 



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

def accessor
  ActiveRecord::Store::IndifferentHashAccessor
end

#assert_valid_value(value) ⇒ Object 



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# File '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

Returns:



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# File '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

#deserialize(value) ⇒ Object 



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

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

#force_equality?(value) ⇒ Boolean

Returns:



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# File '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) ⇒ Object 



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# File '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

#serialized? ⇒ Boolean

:nodoc:

Returns:



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

def serialized? # :nodoc:
  true
end