Class: Hector::Heartbeat

Inherits:

Object

• Object
• Hector::Heartbeat

Defined in:

lib/hector/heartbeat.rb

Class Method Summary

• .create_timer(interval, &block) ⇒ Object

Instance Method Summary

• #initialize(interval = 60, &block) ⇒ Heartbeat constructor

  A new instance of Heartbeat.

• #pulse ⇒ Object
• #start ⇒ Object
• #stop ⇒ Object

Constructor Details

#initialize(interval = 60, &block) ⇒ Heartbeat

Returns a new instance of Heartbeat.

# File 'lib/hector/heartbeat.rb', line 7

def initialize(interval = 60, &block)
  @interval, @block = interval, block
  start
end

Class Method Details

.create_timer(interval, &block) ⇒ Object

# File 'lib/hector/heartbeat.rb', line 3

def self.create_timer(interval, &block)
  EventMachine::PeriodicTimer.new(interval, &block)
end

Instance Method Details

#pulse ⇒ Object

# File 'lib/hector/heartbeat.rb', line 16

def pulse
  @block.call
end

#start ⇒ Object

# File 'lib/hector/heartbeat.rb', line 12

def start
  @timer ||= self.class.create_timer(@interval) { pulse }
end

#stop ⇒ Object

# File 'lib/hector/heartbeat.rb', line 20

def stop
  @timer.cancel
  @timer = nil
end