Class: DataMapper::Property::Boolean

Inherits:
Object show all
Includes:
PassThroughLoadDump
Defined in:
lib/dm-core/property/boolean.rb

Constant Summary

Constants inherited from DataMapper::Property

INVALID_NAMES, OPTIONS, PRIMITIVES, VISIBILITY_OPTIONS

Instance Attribute Summary

Attributes inherited from DataMapper::Property

#allow_blank, #allow_nil, #default, #index, #instance_variable_name, #model, #name, #options, #primitive, #reader_visibility, #repository_name, #required, #unique_index, #writer_visibility

Instance Method Summary collapse

Methods included from PassThroughLoadDump

#dump, #load

Methods inherited from Object

#dump, #load, #to_child_key

Methods inherited from DataMapper::Property

accept_options, accepted_options, #allow_blank?, #allow_nil?, #assert_valid_options, #bind, demodulized_names, descendants, determine_class, #determine_visibility, #field, find_class, #get, #get!, inherited, #initialize, #inspect, #key?, #lazy?, #lazy_load, #lazy_load_properties, #loaded?, nullable, options, #properties, #required?, #serial?, #set, #set!, #typecast, #unique?, #valid?

Methods included from Chainable

#chainable, #extendable

Methods included from Equalizer

#equalize

Methods included from Deprecate

#deprecate

Methods included from Subject

#default?, #default_for

Methods included from Assertions

#assert_kind_of

Constructor Details

This class inherits a constructor from DataMapper::Property

Instance Method Details

#primitive?(value) ⇒ Boolean

Returns:



8
9
10
 
# File 'lib/dm-core/property/boolean.rb', line 8

def primitive?(value)
  value == true || value == false
end

#typecast_to_primitive(value) ⇒ Boolean

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future.

Typecast a value to a true or false

Parameters:

  • value (Integer, #to_str) —

    value to typecast

Returns:

  • (Boolean) —

    true or false constructed from value



21
22
23
24
25
26
27
28
29
30
31
32
 
# File 'lib/dm-core/property/boolean.rb', line 21

def typecast_to_primitive(value)
  if value.kind_of?(::Integer)
    return true  if value == 1
    return false if value == 0
  elsif value.respond_to?(:to_str)
    string_value = value.to_str.downcase
    return true  if %w[ true  1 t ].include?(string_value)
    return false if %w[ false 0 f ].include?(string_value)
  end

  value
end