Class: Scheduler

Inherits:
Object
  • Object
show all
Defined in:
lib/twterm/scheduler.rb

Instance Method Summary collapse

Constructor Details

#initialize(interval, &block) ⇒ Scheduler

Returns a new instance of Scheduler.



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# File 'lib/twterm/scheduler.rb', line 2

def initialize(interval, &block)
  fail ArgumentError, 'Interval must be a real number' unless interval.is_a?(Numeric) && interval.real?
  fail RangeError, 'Interval must be greater than zero' unless interval > 0

  @interval, @block = interval, block
  @paused = false

  @thread = Thread.new do
    loop do
      sleep @interval
      run
    end
  end
end

Instance Method Details

#kill ⇒ Object 



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# File 'lib/twterm/scheduler.rb', line 17

def kill
  @thread.kill
end

#pause ⇒ Object 



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# File 'lib/twterm/scheduler.rb', line 21

def pause
  @paused = true
end

#run ⇒ Object 



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# File 'lib/twterm/scheduler.rb', line 25

def run
  @block.call unless @paused
end

#unpause ⇒ Object 



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# File 'lib/twterm/scheduler.rb', line 29

def unpause
  @paused = false
end