Class: Serially::TaskRunner

Inherits:
Object
  • Object
show all
Includes:
Observable
Defined in:
lib/serially/task_runner.rb

Instance Method Summary collapse

Constructor Details

#initialize(task_run_observer = nil) ⇒ TaskRunner

Returns a new instance of TaskRunner.



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# File 'lib/serially/task_runner.rb', line 7

def initialize(task_run_observer = nil)
  add_observer(task_run_observer) if task_run_observer
end

Instance Method Details

#run!(item_class, item_id = nil) ⇒ Object 



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# File 'lib/serially/task_runner.rb', line 11

def run!(item_class, item_id = nil)
  last_run = []
  instance = item_id.blank? ? item_class.send(:create_instance) : item_class.send(:create_instance, item_id)
  Serially::TaskManager[item_class].each do |task|
    # if task.async?
    #   started_async_task = SerialTasksManager.begin_task(task)
    #   # if started async task successfully, exit the loop, otherwise go to next task
    #   break if started_async_task
    # else
    #started_async_task = false

    success, msg, result_obj = task.run!(instance)
    error_handled = task.on_error!(instance, msg, result_obj) if !success
    last_run = [task, success, msg, result_obj]

    # write result log to DB
    changed
    notify_observers(task, instance, success, msg, result_obj, error_handled)
    # if task didn't complete successfully, and error handler didn't return true, exit
    break if !success && !error_handled
  end
  # if started_async_task
  #   msg = "SerialTasksManager: started async task for #{item_class}/#{item_id}. Worker is exiting..."
  # else
  #   msg = "SerialTasksManager: no available tasks found for #{item_class}/#{item_id}. Worker is exiting..."
  # end

  # If we are here, it means that no more tasks were found
  success = last_run[1]
  msg = success ? "Serially: finished all tasks for #{item_class}/#{item_id}. Serially::Job is stopping..." :
                  "Serially: task '#{last_run[0]}' for #{item_class}/#{item_id} finished with success: #{last_run[1]}, message: #{last_run[2]}"
  msg
end