Module: AggregateRoot::OnDSL

Defined in:
lib/aggregate_root.rb

Constant Summary collapse

ANONYMOUS_CLASS = 
"#<Class:".freeze

Instance Method Summary collapse

Instance Method Details

#on(*event_klasses, &block) ⇒ Object 



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

def on(*event_klasses, &block)
  event_klasses.each do |event_klass|
    name = event_klass.to_s
    raise(ArgumentError, "Anonymous class is missing name") if name.start_with? ANONYMOUS_CLASS

    handler_name = "on_#{name}"
    define_method(handler_name, &block)
    @on_methods ||= {}
    @on_methods[name] = handler_name
    private(handler_name)
  end
end

#on_methods ⇒ Object 



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# File 'lib/aggregate_root.rb', line 29

def on_methods
  @on_methods ||= {}
  (superclass.respond_to?(:on_methods) ? superclass.on_methods : {}).merge(@on_methods)
end