class RakeFactory::Parameter

Attributes

configurable[R]
default[RW]
name[R]
required[R]
transform[R]

Public Class Methods

new(name, options) click to toggle source
# 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) click to toggle source
# File lib/rake_factory/parameter.rb, line 44
def apply_default_to(instance)
  instance.send(writer_method, @default) unless @default.nil?
end
configurable?() click to toggle source
# File lib/rake_factory/parameter.rb, line 48
def configurable?
  @configurable
end
define_on(klass) click to toggle source
# 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) click to toggle source
# File lib/rake_factory/parameter.rb, line 52
def dissatisfied_by?(instance)
  value = instance.send(reader_method)
  @required && value.nil?
end
instance_variable() click to toggle source
# File lib/rake_factory/parameter.rb, line 28
def instance_variable
  "@#{name}"
end
reader_method() click to toggle source
# File lib/rake_factory/parameter.rb, line 24
def reader_method
  name
end
satisfied_by?(instance) click to toggle source
# File lib/rake_factory/parameter.rb, line 57
def satisfied_by?(instance)
  !dissatisfied_by?(instance)
end
writer_method() click to toggle source
# File lib/rake_factory/parameter.rb, line 20
def writer_method
  "#{name}="
end