Class: Gearman::TaskSet

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/gearman/task_set.rb

Instance Method Summary collapse

Methods included from Logging

included, #logger

Constructor Details

#initialize(client) ⇒ TaskSet

Returns a new instance of TaskSet.



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# File 'lib/gearman/task_set.rb', line 7

def initialize(client)
  @client = client
  @tasks_in_progress = []
  @finished_tasks = []
end

Instance Method Details

#add_task(task) ⇒ Object

Add a new task to this TaskSet.

Parameters:

  • args —

    A Task object

Returns:

  • true if the task was created successfully, false otherwise



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# File 'lib/gearman/task_set.rb', line 18

def add_task(task)
  @tasks_in_progress << task
end

#wait(timeout = 1) ⇒ Object

Wait for all tasks in the set to finish.

Parameters:

  • timeout (defaults to: 1) —

    maximum amount of time to wait, in seconds - if this is nil, waits forever



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# File 'lib/gearman/task_set.rb', line 26

def wait(timeout = 1)
  end_time = if timeout
    Time.now.to_f + timeout
  else
    nil
  end

  while @tasks_in_progress.length > 0
    remaining = if end_time
      (t = end_time - Time.now.to_f) > 0 ? t : 0
    else
      nil
    end
    begin
      task = @tasks_in_progress.pop
      if
        @client.submit_job(task, true, remaining)
        @finished_tasks << task
      end
    rescue SocketTimeoutError
      return false
    end

  end

  @finished_tasks.each do |t|
    if ( (t.background.nil? || t.background == false) && !t.successful)
      logger.warn 'GearmanRuby: TaskSet failed'
      return false
    end
  end
  true
end

#wait_forever ⇒ Object

Wait for all tasks in set to finish, with no timeout



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# File 'lib/gearman/task_set.rb', line 61

def wait_forever
  wait(nil)
end