Parent

Included Modules

DataMapper::Property::Enum

Public Class Methods

new(model, name, options = {}) click to toggle source
    # File lib/dm-types/enum.rb, line 10
10:       def initialize(model, name, options = {})
11:         @flag_map = {}
12: 
13:         flags = options.fetch(:flags, self.class.flags)
14:         flags.each_with_index do |flag, i|
15:           @flag_map[i + 1] = flag
16:         end
17: 
18:         if self.class.accepted_options.include?(:set) && !options.include?(:set)
19:           options[:set] = @flag_map.values_at(*@flag_map.keys.sort)
20:         end
21: 
22:         super
23:       end

Public Instance Methods

dump(value) click to toggle source
    # File lib/dm-types/enum.rb, line 29
29:       def dump(value)
30:         case value
31:         when ::Array then value.collect { |v| dump(v) }
32:         else              flag_map.invert[value]
33:         end
34:       end
load(value) click to toggle source
    # File lib/dm-types/enum.rb, line 25
25:       def load(value)
26:         flag_map[value]
27:       end
typecast_to_primitive(value) click to toggle source
    # File lib/dm-types/enum.rb, line 36
36:       def typecast_to_primitive(value)
37:         # Attempt to typecast using the class of the first item in the map.
38:         case flag_map[1]
39:         when ::Symbol then value.to_sym
40:         when ::String then value.to_s
41:         when ::Fixnum then value.to_i
42:         else               value
43:         end
44:       end

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