Module: Clockwork

Extended by:
Clockwork
Included in:
Clockwork
Defined in:
lib/clockwork.rb

Defined Under Namespace

Classes: Event, FailedToParse, NoHandlerDefined

Instance Method Summary collapse

Instance Method Details

#clear! ⇒ Object 



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# File 'lib/clockwork.rb', line 102

def clear!
	@@events = []
	@@handler = nil
end

#every(period, job, options = {}, &block) ⇒ Object 



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# File 'lib/clockwork.rb', line 70

def every(period, job, options={}, &block)
	event = Event.new(period, job, block || get_handler, options)
	@@events ||= []
	@@events << event
	event
end

#get_handler ⇒ Object

Raises:



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# File 'lib/clockwork.rb', line 65

def get_handler
	raise NoHandlerDefined unless (defined?(@@handler) and @@handler)
	@@handler
end

#handler(&block) ⇒ Object 



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# File 'lib/clockwork.rb', line 59

def handler(&block)
	@@handler = block
end

#log(msg) ⇒ Object 



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# File 'lib/clockwork.rb', line 85

def log(msg)
	puts msg
end

#run ⇒ Object 



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# File 'lib/clockwork.rb', line 77

def run
	log "Starting clock for #{@@events.size} events: [ " + @@events.map { |e| e.to_s }.join(' ') + " ]"
	loop do
		tick
		sleep 1
	end
end

#tick(t = Time.now) ⇒ Object 



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# File 'lib/clockwork.rb', line 89

def tick(t=Time.now)
	to_run = @@events.select do |event|
		event.time?(t)
	end

	to_run.each do |event|
		log "Triggering #{event}"
		event.run(t)
	end

	to_run
end