class RakeFactory::Parameter
Attributes
configurable[R]
default[RW]
name[R]
required[R]
transform[R]
Public Class Methods
new(name, options)
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# File lib/rake_factory/parameter.rb, line 11 def initialize(name, options) @name = name @default = options[:default] || nil @required = options[:required] || false @configurable = options[:configurable].nil? ? true : !!options[:configurable] @transform = options[:transform] || lambda { |x| x } end
Public Instance Methods
apply_default_to(instance)
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# File lib/rake_factory/parameter.rb, line 44 def apply_default_to(instance) instance.send(writer_method, @default) unless @default.nil? end
configurable?()
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# File lib/rake_factory/parameter.rb, line 48 def configurable? @configurable end
define_on(klass)
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# File lib/rake_factory/parameter.rb, line 32 def define_on(klass) parameter = self klass.class_eval do attr_reader parameter.reader_method define_method parameter.writer_method do |value| instance_variable_set( parameter.instance_variable, parameter.transform.call(value)) end end end
dissatisfied_by?(instance)
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# File lib/rake_factory/parameter.rb, line 52 def dissatisfied_by?(instance) value = instance.send(reader_method) @required && value.nil? end
instance_variable()
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# File lib/rake_factory/parameter.rb, line 28 def instance_variable "@#{name}" end
reader_method()
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# File lib/rake_factory/parameter.rb, line 24 def reader_method name end
satisfied_by?(instance)
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# File lib/rake_factory/parameter.rb, line 57 def satisfied_by?(instance) !dissatisfied_by?(instance) end
writer_method()
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# File lib/rake_factory/parameter.rb, line 20 def writer_method "#{name}=" end