Class: Loops::WorkerPool

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, pm, engine, &blk) ⇒ WorkerPool

Returns a new instance of WorkerPool.



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# File 'lib/loops/worker_pool.rb', line 5

def initialize(name, pm, engine, &blk)
  @name = name
  @pm = pm
  @worker_block = blk
  @engine = engine
  @workers = []
end

Instance Attribute Details

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/loops/worker_pool.rb', line 3

def name
  @name
end

Instance Method Details

#check_workers ⇒ Object 



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# File 'lib/loops/worker_pool.rb', line 28

def check_workers
  logger.debug("Checking loop #{name} workers...")
  @workers.each do |worker|
    next if worker.running? || worker.shutdown?
    logger.info("Worker #{worker.name} is not running. Restart!")
    worker.run
  end
end

#logger ⇒ Object 



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# File 'lib/loops/worker_pool.rb', line 13

def logger
  @pm.logger
end

#shutdown? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/loops/worker_pool.rb', line 17

def shutdown?
  @pm.shutdown?
end

#start_workers(number) ⇒ Object 



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# File 'lib/loops/worker_pool.rb', line 21

def start_workers(number)
  logger.info("Creating #{number} workers for #{name} loop...")
  number.times do
    @workers << Worker.new(name, @pm, @engine, &@worker_block)
  end
end

#stop_workers(force) ⇒ Object 



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# File 'lib/loops/worker_pool.rb', line 47

def stop_workers(force)
  logger.info("Stopping loop #{name} workers...")
  @workers.each do |worker|
    next unless worker.running?
    worker.stop(force)
  end
end

#wait_workers ⇒ Object 



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# File 'lib/loops/worker_pool.rb', line 37

def wait_workers
  running = 0
  @workers.each do |worker|
    next unless worker.running?
    running += 1
    logger.info("Worker #{name} is still running (#{worker.pid})")
  end
  return running
end