Class: ThreadPuddle

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(size = 24) ⇒ ThreadPuddle

Returns a new instance of ThreadPuddle.



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# File 'lib/thread_puddle.rb', line 6

def initialize size = 24
  @size  = size
  @queue = Queue.new
  @pool  = size.times.map do
    Thread.new do
      catch :exit do
        loop do
          job, args = queue.deq
          job.call *args
        end
      end
    end
  end
end

Instance Attribute Details

#size ⇒ Object (readonly)

Returns the value of attribute size.



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# File 'lib/thread_puddle.rb', line 4

def size
  @size
end

Instance Method Details

#shutdown(timeout = nil) ⇒ Object 



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# File 'lib/thread_puddle.rb', line 25

def shutdown timeout = nil
  size.times do
    submit do
      throw :exit
    end
  end
 
  if timeout
    shutdown_with_timeout timeout
  else
    pool.each &:join
  end
 
  queue.clear
  size = 0
end

#status ⇒ Object 



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# File 'lib/thread_puddle.rb', line 42

def status
  {
    :size    => size,
    :threads => pool.map(&:status), 
    :queue   => {
      :size  => queue.size,
      :consumers => queue.num_waiting,
    },
  }
end

#submit(*args, &block) ⇒ Object 



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# File 'lib/thread_puddle.rb', line 21

def submit *args, &block
  queue.enq [block, args]
end