Class: Tumugi::Executor::LocalExecutor

Inherits:
Object
  • Object
show all
Defined in:
lib/tumugi/executor/local_executor.rb

Instance Method Summary collapse

Constructor Details

#initialize(dag, worker_num: 1) ⇒ LocalExecutor

Returns a new instance of LocalExecutor.



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# File 'lib/tumugi/executor/local_executor.rb', line 10

def initialize(dag, worker_num: 1)
  @dag = dag
  @main_task = dag.tsort.last
  @options = { worker_num: worker_num }
  @mutex = Mutex.new
end

Instance Method Details

#execute ⇒ Object 



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# File 'lib/tumugi/executor/local_executor.rb', line 17

def execute
  pool = Concurrent::ThreadPoolExecutor.new(
    min_threads: @options[:worker_num],
    max_threads: @options[:worker_num]
  )

  setup_task_queue(@dag)
  loop do
    task = dequeue_task
    break if task.nil?

    Concurrent::Future.execute(executor: pool) do
      if !task.runnable?(Time.now)
        logger.trace { "task_cannot_run: #{task.id}" }
        enqueue_task(task)
      else
        begin
          logger.info { "task_start: #{task.id}" }
          task.trigger!(:start)
          MuchTimeout.optional_timeout(task_timeout(task), Tumugi::TimeoutError) do
            task.run
          end
          task.trigger!(:complete)
          logger.info { "task_#{task.state}: #{task.id}" }
        rescue => e
          handle_error(task, e)
        end
      end
    end
  end

  pool.shutdown
  pool.wait_for_termination

  @dag.tsort.all? { |t| t.success? }
end