Class: EventLoop::Loop::Timer

Inherits:
Object
  • Object
show all
Defined in:
lib/event_loop/loop.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(interval, event, repeat = false) ⇒ Timer

Returns a new instance of Timer.



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# File 'lib/event_loop/loop.rb', line 7

def initialize(interval, event, repeat=false)
  @interval      = interval
  @event         = event
  @repeat        = repeat
  @started_at    = Time.now
  @last_fired_at = nil
  reschedule
end

Instance Attribute Details

#event ⇒ Object (readonly)

Returns the value of attribute event.



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# File 'lib/event_loop/loop.rb', line 5

def event
  @event
end

#interval ⇒ Object (readonly)

Returns the value of attribute interval.



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# File 'lib/event_loop/loop.rb', line 5

def interval
  @interval
end

#last_fired_at ⇒ Object (readonly)

Returns the value of attribute last_fired_at.



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# File 'lib/event_loop/loop.rb', line 5

def last_fired_at
  @last_fired_at
end

#next_fire_time ⇒ Object (readonly)

Returns the value of attribute next_fire_time.



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# File 'lib/event_loop/loop.rb', line 5

def next_fire_time
  @next_fire_time
end

Instance Method Details

#advance(amount) ⇒ Object 



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# File 'lib/event_loop/loop.rb', line 20

def advance(amount)
  @next_fire_time -= amount
end

#calculate_next_fire_time ⇒ Object 



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# File 'lib/event_loop/loop.rb', line 28

def calculate_next_fire_time
  now = Time.now
  return now if @interval == 0
  fire_time = @last_fired_at || now
  while fire_time <= now
    fire_time += @interval
  end
  fire_time
end

#due?(now = Time.now) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/event_loop/loop.rb', line 42

def due?(now=Time.now)
  now >= @next_fire_time
end

#finished? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/event_loop/loop.rb', line 46

def finished?
  !@repeat && @last_fired_at
end

#last_interval_start ⇒ Object 



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# File 'lib/event_loop/loop.rb', line 24

def last_interval_start
  @last_fired_at || @started_at
end

#reschedule ⇒ Object 



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# File 'lib/event_loop/loop.rb', line 16

def reschedule
  @next_fire_time = calculate_next_fire_time
end

#set_fired_time ⇒ Object 



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# File 'lib/event_loop/loop.rb', line 38

def set_fired_time
  @last_fired_at = Time.now
end