Class: EventMachine::PeriodicTimer

Inherits:

Object

• Object
• EventMachine::PeriodicTimer

show all

Defined in:

lib/em/timers.rb

Overview

n = 0
timer = EventMachine::PeriodicTimer.new(5) do
  puts "the time is #{Time.now}"
  timer.cancel if (n+=1) > 5
end

Instance Attribute Summary (collapse)

• - (Object) interval

  Fire the timer every interval seconds.

Instance Method Summary (collapse)

• - (Object) cancel

  Cancel the periodic timer.

• - (Object) fire
• - (PeriodicTimer) initialize(interval, callback = nil, &block) constructor

  Create a new periodic timer that executes every interval seconds.

• - (Object) schedule

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# File 'lib/em/timers.rb', line 32

def initialize interval, callback=nil, &block
  @interval = interval
  @code = callback || block
  @cancelled = false
  @work = method(:fire)
  schedule
end

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# File 'lib/em/timers.rb', line 46

def interval
  @interval
end

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# File 'lib/em/timers.rb', line 41

def cancel
  @cancelled = true
end

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# File 'lib/em/timers.rb', line 54

def fire
  unless @cancelled
    @code.call
    schedule
  end
end

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# File 'lib/em/timers.rb', line 49

def schedule
  EventMachine::add_timer @interval, @work
end