Class: EventMachine::Timers::Timer

Inherits:
Object
  • Object
show all
Defined in:
lib/em-timers/em-timers.rb

Class Attribute Summary collapse

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options, block) ⇒ Timer

Returns a new instance of Timer.



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# File 'lib/em-timers/em-timers.rb', line 15

def initialize(options, block)
  @options = options
  if options[:tag]
    @tag = options[:tag]
  end
  if options[:name]
    @name = options[:name]
  end
  @block = block
  @repeats = true
  Timer.list << self
end

Class Attribute Details

.list ⇒ Object (readonly)

Returns the value of attribute list.



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# File 'lib/em-timers/em-timers.rb', line 8

def list
  @list
end

Instance Attribute Details

#kickoff_timer ⇒ Object (readonly)

Returns the value of attribute kickoff_timer.



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# File 'lib/em-timers/em-timers.rb', line 14

def kickoff_timer
  @kickoff_timer
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/em-timers/em-timers.rb', line 11

def name
  @name
end

#options ⇒ Object

Returns the value of attribute options.



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# File 'lib/em-timers/em-timers.rb', line 12

def options
  @options
end

#reschedule_timer ⇒ Object (readonly)

Returns the value of attribute reschedule_timer.



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# File 'lib/em-timers/em-timers.rb', line 13

def reschedule_timer
  @reschedule_timer
end

#tag ⇒ Object (readonly)

Returns the value of attribute tag.



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# File 'lib/em-timers/em-timers.rb', line 10

def tag
  @tag
end

Instance Method Details

#cancel ⇒ Object 



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# File 'lib/em-timers/em-timers.rb', line 27

def cancel
  if @kickoff_timer
    EM::cancel_timer(@kickoff_timer)
    @kickoff_timer = nil
  end
  if @reschedule_timer
    EM::cancel_timer(@reschedule_timer)
    @reschedule_timer = nil
  end
  Timer.list.delete(self)
end

#schedule ⇒ Object 



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# File 'lib/em-timers/em-timers.rb', line 38

def schedule
  increment = @options[:every] || 1
  starting = @options[:starting]

  if options[:cron]
    starting =
      EventMachine::Timers::CronLine.new(options[:cron]).next_time
    @kickoff_timer = EM.add_timer(calculate_delta_time(starting)) {
      @kickoff_timer = nil
      run_and_reschedule_cron
    }
    return self
  elsif @options[:at] || @options[:in]
    @repeats = false
    if @options[:at]
      starting = parse_time(@options[:at])
    else
      starting = Time.now + parse_time(@options[:in])
    end
  end
  
  if starting == :now
    run_and_reschedule(increment)
    return self
  else
    starting = parse_time(starting)
  end

  time = calculate_delta_time(starting)
  
  @kickoff_timer = EM.add_timer(time) {
    @kickoff_timer = nil
    run_and_reschedule(increment)
  }
  self
end