Module: SequencescapeExcel::SubclassChecker::ClassMethods
- Defined in:
- app/sequencescape_excel/sequencescape_excel/subclass_checker.rb
Overview
Adds a method to a superclass which can be called in each subclass to check whether it is an object of that class each class must implement the type method. The type method is not part of the module as it can be used by AR objects. The modual option allows namespacing. Example:
modual = My::Namespace
klass = My::Namespace::MySubclass1
Example:
def MyClass
subclasses? :my_subclass_1, :my_subclass_2, :my_subclass_3
end
my_subclass_1 = MySubclass1.new
my_subclass_1.my_subclass_1? => true
my_subclass_1.my_subclass_2? => false
Instance Method Summary collapse
Instance Method Details
#subclasses?(*classes) ⇒ Boolean
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# File 'app/sequencescape_excel/sequencescape_excel/subclass_checker.rb', line 28 def subclasses?(*classes) = classes. classes.each do |klass| object_type = if [:modual] "#{[:modual]}::#{klass.to_s.classify}" else klass.to_s.classify.to_s end define_method "#{klass}?" do type == object_type end end end |