Module: Spider::EventSource::ClassMethods

Defined in:
lib/spiderfw/utils/events/event_source.rb

Instance Method Summary collapse

Instance Method Details

#inherited(sub) ⇒ Object 



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# File 'lib/spiderfw/utils/events/event_source.rb', line 11

def inherited(sub)
    if @event_handlers
        @event_handlers.each do |event_name, arr|
            arr.each do |proc|
                sub.on(event_name, &proc)
            end
        end
    end
    super
end

#on(event_name, &proc) ⇒ Object 



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# File 'lib/spiderfw/utils/events/event_source.rb', line 22

def on(event_name, &proc)
    @event_handlers ||= {}
    @event_handlers[event_name] ||= []
    @event_handlers[event_name] << proc
end

#trigger(event_name, *params) ⇒ Object 



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# File 'lib/spiderfw/utils/events/event_source.rb', line 28

def trigger(event_name, *params)
    return unless @event_handlers && @event_handlers[event_name]
    @event_handlers[event_name].each do |h|
        h.call(*params)
    end
end