Class: StagedEvent::BackoffTimer

Inherits:

Object

• Object
• StagedEvent::BackoffTimer

Defined in:

lib/staged_event/backoff_timer.rb

Constant Summary

INCREMENTS_BEFORE_BACKOFF =

5

MAX_VALUE =

25

Instance Method Summary

• #increment ⇒ Object
• #initialize ⇒ BackoffTimer constructor

  A new instance of BackoffTimer.

• #reset ⇒ Object
• #value ⇒ Object

Constructor Details

#initialize ⇒ BackoffTimer

Returns a new instance of BackoffTimer.

# File 'lib/staged_event/backoff_timer.rb', line 8

def initialize
  reset
end

Instance Method Details

#increment ⇒ Object

# File 'lib/staged_event/backoff_timer.rb', line 12

def increment
  @increments += 1
end

#reset ⇒ Object

# File 'lib/staged_event/backoff_timer.rb', line 16

def reset
  @increments = 0
end

#value ⇒ Object

# File 'lib/staged_event/backoff_timer.rb', line 20

def value
  # returns 1 until the timer has been incremented n times, after which it
  # returns n^2 (until reaching a set maximum)
  backoff_time = [ 1, increments - INCREMENTS_BEFORE_BACKOFF + 1 ].max**2
  [ backoff_time, MAX_VALUE ].min
end