Methods
#
R
U
Classes and Modules
Constants
ATTRIBUTE_TYPES_CACHED_BY_DEFAULT = [:datetime, :timestamp, :time, :date]
Instance Public methods
_read_attribute(attr_name)

Source: show | on GitHub 

# File activerecord/lib/active_record/attribute_methods/read.rb, line 110
def _read_attribute(attr_name)
  attr_name = attr_name.to_s
  attr_name = self.class.primary_key if attr_name == 'id'
  value = @attributes[attr_name]
  unless value.nil?
    if column = column_for_attribute(attr_name)
      if unserializable_attribute?(attr_name, column)
        unserialize_attribute(attr_name)
      else
        column.type_cast(value)
      end
    else
      value
    end
  end
end
read_attribute(attr_name)

Returns the value of the attribute identified by attr_name after it has been typecast (for example, “2004-12-12” in a data column is cast to a date object, like Date.new(2004, 12, 12)).

Source: show | on GitHub 

# File activerecord/lib/active_record/attribute_methods/read.rb, line 101
def read_attribute(attr_name)
  method = "_#{attr_name}"
  if respond_to? method
    send method if @attributes.has_key?(attr_name.to_s)
  else
    _read_attribute attr_name
  end
end
unserializable_attribute?(attr_name, column)

Returns true if the attribute is of a text column and marked for serialization.

Source: show | on GitHub 

# File activerecord/lib/active_record/attribute_methods/read.rb, line 128
def unserializable_attribute?(attr_name, column)
  column.text? && self.class.serialized_attributes.include?(attr_name)
end
unserialize_attribute(attr_name)

Returns the unserialized object of the attribute.

Source: show | on GitHub 

# File activerecord/lib/active_record/attribute_methods/read.rb, line 133
def unserialize_attribute(attr_name)
  coder = self.class.serialized_attributes[attr_name]
  unserialized_object = coder.load(@attributes[attr_name])

  @attributes.frozen? ? unserialized_object : @attributes[attr_name] = unserialized_object
end