Module: Ann::ClassMethods

Defined in:
lib/ann.rb

Defined Under Namespace

Classes: Descriptor

Instance Method Summary collapse

Instance Method Details

#ann(*args) ⇒ Object 



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# File 'lib/ann.rb', line 16

def ann(*args)
  klass, *args = args
  Thread.current[:ann_descriptors] ||= []
  Thread.current[:ann_descriptors] << Descriptor.new(klass, args)
end

#annotations ⇒ Object 



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# File 'lib/ann.rb', line 22

def annotations
  @annotations ||= Hash.new { |hash, key| hash[key] = [] }
end

#annotations_for(name) ⇒ Object 



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# File 'lib/ann.rb', line 26

def annotations_for(name)
  annotations[name]
end

#inherited(subclass) ⇒ Object 



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# File 'lib/ann.rb', line 39

def inherited(subclass)
  parent = self
  subclass.class_eval do
    @annotations = Hash[parent.annotations.map { |name, anns| [name, anns.dup] }]
  end
end

#method_added(name) ⇒ Object 



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# File 'lib/ann.rb', line 30

def method_added(name)
  method_anns = (Thread.current[:ann_descriptors] || []).map do |desc|
    desc.klass.new(self, name, *desc.args)
  end
  annotations[name].concat(method_anns)

  Thread.current[:ann_descriptors] = nil
end