Class: Herpes::Callback

Inherits:
Object show all
Defined in:
lib/herpes.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(time, discriminator, one_shot = false, &block) ⇒ Callback

Returns a new instance of Callback.

Raises:

  • (ArgumentError) 


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# File 'lib/herpes.rb', line 20

def initialize (time, discriminator, one_shot = false, &block)
	raise ArgumentError, 'no block has been passed' unless block

	@time          = time
	@discriminator = discriminator
	@one_shot      = one_shot
	@block         = block

	if !one_shot?
		@last = Time.at 0
	else
		called!
	end
end

Instance Attribute Details

#block ⇒ Object (readonly)

Returns the value of attribute block.



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# File 'lib/herpes.rb', line 18

def block
  @block
end

#discriminator ⇒ Object (readonly)

Returns the value of attribute discriminator.



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# File 'lib/herpes.rb', line 18

def discriminator
  @discriminator
end

#last ⇒ Object (readonly)

Returns the value of attribute last.



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# File 'lib/herpes.rb', line 18

def last
  @last
end

#time ⇒ Object (readonly)

Returns the value of attribute time.



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# File 'lib/herpes.rb', line 18

def time
  @time
end

Instance Method Details

#call(herpes, &block) ⇒ Object 



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# File 'lib/herpes.rb', line 66

def call (herpes, &block)
	return if calling?

	calling!
	@block.call(&block)
ensure
	called!
	herpes.wake_up
end

#called! ⇒ Object 



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# File 'lib/herpes.rb', line 57

def called!
	@last    = Time.now
	@calling = false
end

#calling! ⇒ Object 



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# File 'lib/herpes.rb', line 53

def calling!
	@calling = true
end

#calling? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/herpes.rb', line 62

def calling?
	@calling == true
end

#gonna_call! ⇒ Object 



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# File 'lib/herpes.rb', line 43

def gonna_call!
	return if calling?

	@calling = :gonna
end

#gonna_call? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/herpes.rb', line 49

def gonna_call?
	@calling == :gonna
end

#next_in ⇒ Object 



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# File 'lib/herpes.rb', line 39

def next_in
	time - (Time.now - last)
end

#one_shot? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/herpes.rb', line 35

def one_shot?
	@one_shot
end