Class: Pallets::Pool

Inherits:
Object
  • Object
show all
Defined in:
lib/pallets/pool.rb

Instance Method Summary collapse

Constructor Details

#initialize(size) ⇒ Pool

Returns a new instance of Pool.

Raises:

  • (ArgumentError) 


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# File 'lib/pallets/pool.rb', line 3

def initialize(size)
  raise ArgumentError, 'Pool needs a block to initialize' unless block_given?

  @queue = Queue.new
  @size = size
  size.times { @queue << yield }
end

Instance Method Details

#execute ⇒ Object

Raises:

  • (ArgumentError) 


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# File 'lib/pallets/pool.rb', line 15

def execute
  raise ArgumentError, 'Pool needs a block to execute' unless block_given?

  begin
    item = @queue.pop
    yield item
  ensure
    @queue << item
  end
end

#size ⇒ Object 



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# File 'lib/pallets/pool.rb', line 11

def size
  @queue.size
end