Class: DataMapper::Property::Boolean

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

Constant Summary collapse

TRUE_VALUES =
[ 1, '1', 't', 'T', 'true',  'TRUE'  ].freeze
FALSE_VALUES =
[ 0, '0', 'f', 'F', 'false', 'FALSE' ].freeze
BOOLEAN_MAP =
Hash[
TRUE_VALUES.product([ true ]) + FALSE_VALUES.product([ false ]) ].freeze

Constants inherited from DataMapper::Property

INVALID_NAMES, OPTIONS, PRIMITIVES, VISIBILITY_OPTIONS

Instance Attribute Summary

Attributes inherited from DataMapper::Property

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

Instance Method Summary collapse

Methods inherited from Object

#dump, #load, #marshal, #to_child_key, #unmarshal

Methods inherited from DataMapper::Property

accept_options, accepted_options, #allow_blank?, #allow_nil?, #assert_valid_options, #assert_valid_value, #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, primitive, #primitive, #primitive?, #properties, #required?, #serial?, #set, #set!, #typecast, #unique?, #valid?

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

#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


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# File 'lib/dm-core/property/boolean.rb', line 31

def typecast_to_primitive(value)
  BOOLEAN_MAP.fetch(value, value)
end

#value_dumped?(value) ⇒ Boolean

Returns:


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# File 'lib/dm-core/property/boolean.rb', line 13

def value_dumped?(value)
  value_loaded?(value)
end

#value_loaded?(value) ⇒ Boolean

Returns:


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# File 'lib/dm-core/property/boolean.rb', line 18

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