Class: Kanal::Core::Helpers::Queue

Inherits:
Object
  • Object
show all
Includes:
Kanal::Core::Hooks
Defined in:
lib/kanal/core/helpers/queue.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Queue

Returns a new instance of Queue.



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# File 'lib/kanal/core/helpers/queue.rb', line 13

def initialize
  @items = []
  @hooks = HookStorage.new
  hooks.register(:item_queued) # args arguments: item
end

Instance Attribute Details

#hooks ⇒ Object (readonly)

Returns the value of attribute hooks.



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# File 'lib/kanal/core/helpers/queue.rb', line 11

def hooks
  @hooks
end

Instance Method Details

#dequeue ⇒ Object 



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# File 'lib/kanal/core/helpers/queue.rb', line 24

def dequeue
  @items.shift
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kanal/core/helpers/queue.rb', line 28

def empty?
  @items.empty?
end

#enqueue(element) ⇒ Object 



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# File 'lib/kanal/core/helpers/queue.rb', line 19

def enqueue(element)
  @items.append element
  @hooks.call :item_queued, element
end

#remove(element) ⇒ Object 



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# File 'lib/kanal/core/helpers/queue.rb', line 32

def remove(element)
  @items.delete(element)
end