Class: Rednode::Scheduler

Inherits:
Object
  • Object
show all
Defined in:
lib/rednode/timer.rb

Defined Under Namespace

Classes: Timer

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Scheduler

Returns a new instance of Scheduler.



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# File 'lib/rednode/timer.rb', line 6

def initialize
  @timers = []
  @running = false
end

Instance Attribute Details

#running ⇒ Object (readonly)

Returns the value of attribute running.



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# File 'lib/rednode/timer.rb', line 4

def running
  @running
end

#timers ⇒ Object (readonly)

Returns the value of attribute timers.



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# File 'lib/rednode/timer.rb', line 4

def timers
  @timers
end

Instance Method Details

#add_periodic_timer(interval, &block) ⇒ Object 



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# File 'lib/rednode/timer.rb', line 21

def add_periodic_timer(interval, &block)
  Timer.new(self).tap do |timer|
    timer.periodic = true
    timer.interval = interval
    timer.callback = block
    @timers << timer
    timer.start if @running
  end
end

#add_timer(interval, &block) ⇒ Object 



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# File 'lib/rednode/timer.rb', line 11

def add_timer(interval, &block)
  Timer.new(self).tap do |timer|
    timer.periodic = false
    timer.interval = interval
    timer.callback = block
    @timers << timer
    timer.start if @running
  end
end

#next_tick(&block) ⇒ Object 



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# File 'lib/rednode/timer.rb', line 52

def next_tick(&block)
  if @running
    EventMachine.next_tick do
      yield
    end
  else
    add_timer(0) { yield }
  end
end

#remove_timer(timer) ⇒ Object 



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# File 'lib/rednode/timer.rb', line 31

def remove_timer(timer)
  @timers.delete(timer)
end

#start_loop ⇒ Object 



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# File 'lib/rednode/timer.rb', line 35

def start_loop
  EventMachine.run do
    @running = true
    @timers.each do |t|
      t.start unless t.running
    end
    
    EventMachine::PeriodicTimer.new(0.05) do
      stop_loop if @timers.size == 0
    end
  end
end

#stop_loop ⇒ Object 



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# File 'lib/rednode/timer.rb', line 48

def stop_loop
  EventMachine.stop_event_loop
end