Class: ActiveRecord::Type::Serialized

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

Overview

:nodoc:

Instance Attribute Summary collapse

Attributes inherited from ActiveModel::Type::Value

#limit, #precision, #scale

Instance Method Summary collapse

Methods included from ActiveModel::Type::Helpers::Mutable

#cast, #mutable?

Methods inherited from ActiveModel::Type::Value

#==, #as_json, #binary?, #cast, #changed?, #hash, #map, #mutable?, #serializable?, #type, #type_cast_for_schema, #value_constructed_by_mass_assignment?

Methods included from ActiveModel::Type::SerializeCastValue

included, #itself_if_serialize_cast_value_compatible, serialize

Methods included from ActiveSupport::Concern

#append_features, #class_methods, extended, #included, #prepend_features, #prepended

Constructor Details

#initialize(subtype, coder) ⇒ Serialized

Returns a new instance of Serialized.



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

def initialize(subtype, coder)
  @subtype = subtype
  @coder = coder
  super(subtype)
end

Instance Attribute Details

#coder ⇒ Object (readonly)

Returns the value of attribute coder.



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

def subtype
  @subtype
end

Instance Method Details

#accessor ⇒ Object 



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# File 'activerecord/lib/active_record/type/serialized.rb', line 42

def accessor
  ActiveRecord::Store::IndifferentHashAccessor
end

#assert_valid_value(value) ⇒ Object 



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# File 'activerecord/lib/active_record/type/serialized.rb', line 46

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 'activerecord/lib/active_record/type/serialized.rb', line 35

def changed_in_place?(raw_old_value, value)
  return false if value.nil?
  raw_new_value = encoded(value)
  raw_old_value.nil? != raw_new_value.nil? ||
    subtype.changed_in_place?(raw_old_value, raw_new_value)
end

#deserialize(value) ⇒ Object 



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# File 'activerecord/lib/active_record/type/serialized.rb', line 18

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

#force_equality?(value) ⇒ Boolean

Returns:



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# File 'activerecord/lib/active_record/type/serialized.rb', line 52

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

#serialize(value) ⇒ Object 



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# File 'activerecord/lib/active_record/type/serialized.rb', line 26

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 'activerecord/lib/active_record/type/serialized.rb', line 56

def serialized? # :nodoc:
  true
end