Class: ActiveSupport::Testing::Parallelization

Inherits:
Object
  • Object
show all
Defined in:
activesupport/lib/active_support/testing/parallelization.rb,
activesupport/lib/active_support/testing/parallelization/server.rb,
activesupport/lib/active_support/testing/parallelization/worker.rb

Overview

:nodoc:

Defined Under Namespace

Classes: PrerecordResultClass, Server, Worker

Constant Summary collapse

@@before_fork_hooks = 
[]
@@after_fork_hooks = 
[]
@@run_cleanup_hooks = 
[]

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(worker_count) ⇒ Parallelization

Returns a new instance of Parallelization.



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# File 'activesupport/lib/active_support/testing/parallelization.rb', line 36

def initialize(worker_count)
  @worker_count = worker_count
  @queue_server = Server.new
  @worker_pool = []
  @url = DRb.start_service("drbunix:", @queue_server).uri
end

Class Method Details

.after_fork_hook(&blk) ⇒ Object 



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# File 'activesupport/lib/active_support/testing/parallelization.rb', line 22

def self.after_fork_hook(&blk)
  @@after_fork_hooks << blk
end

.before_fork_hook(&blk) ⇒ Object 



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# File 'activesupport/lib/active_support/testing/parallelization.rb', line 14

def self.before_fork_hook(&blk)
  @@before_fork_hooks << blk
end

.run_cleanup_hook(&blk) ⇒ Object 



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# File 'activesupport/lib/active_support/testing/parallelization.rb', line 30

def self.run_cleanup_hook(&blk)
  @@run_cleanup_hooks << blk
end

Instance Method Details

#<<(work) ⇒ Object 



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# File 'activesupport/lib/active_support/testing/parallelization.rb', line 54

def <<(work)
  @queue_server << work
end

#before_fork ⇒ Object 



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# File 'activesupport/lib/active_support/testing/parallelization.rb', line 43

def before_fork
  Parallelization.before_fork_hooks.each(&:call)
end

#shutdown ⇒ Object 



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# File 'activesupport/lib/active_support/testing/parallelization.rb', line 62

def shutdown
  @queue_server.shutdown
  @worker_pool.each { |pid| Process.waitpid pid }
end

#size ⇒ Object 



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# File 'activesupport/lib/active_support/testing/parallelization.rb', line 58

def size
  @worker_count
end

#start ⇒ Object 



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# File 'activesupport/lib/active_support/testing/parallelization.rb', line 47

def start
  before_fork
  @worker_pool = @worker_count.times.map do |worker|
    Worker.new(worker, @url).start
  end
end