#2712

Committed 10 Jul 2014 01:54PM UTC coverage: 91.261% (-5.0%) from 96.218%

Build # #2712

Build Type

push

Committed by

Commit Message

Merge pull request #135 from obrok/patch-1

Fix unbalanced parenthesis in README

Run Details

2360 of 2586 relevant lines covered (91.26%)

413.27 hits per line

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97.06

/lib/concurrent/executor/ruby_single_thread_executor.rb

require_relative 'executor'

module Concurrent

  # @!macro single_thread_executor
  class RubySingleThreadExecutor
    include RubyExecutor
    include SerialExecutor

    # Create a new thread pool.
    #
    # @see http://docs.oracle.com/javase/tutorial/essential/concurrency/pools.html
    # @see http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/Executors.html
    # @see http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html
    def initialize(opts = {})
      @queue = Queue.new
      @thread = nil
      init_executor
    end

    protected

    # @!visibility private
    def execute(*args, &task)
      supervise
      @queue << [args, task]
    end

    # @!visibility private
    def shutdown_execution
      @queue << :stop
      stopped_event.set unless alive?
    end

    # @!visibility private
    def kill_execution
      @queue.clear
      @thread.kill if alive?
    end

    # @!visibility private
    def alive?
      @thread && @thread.alive?
    end

    # @!visibility private
    def supervise
      @thread = new_worker_thread unless alive?
    end

    # @!visibility private
    def new_worker_thread
      Thread.new do
        Thread.current.abort_on_exception = false
        work
      end
    end

    # @!visibility private
    def work
      loop do
        task = @queue.pop
        break if task == :stop
        begin
          task.last.call(*task.first)
        rescue => ex
          # let it fail
          log DEBUG, ex
        end
      end
      stopped_event.set
    end
  end
end

1	require_relative 'executor'	1✔
2
3	module Concurrent	1✔
4
5	# @!macro single_thread_executor
6	class RubySingleThreadExecutor	1✔
7	include RubyExecutor	1✔
8	include SerialExecutor	1✔
9
10	# Create a new thread pool.
11	#
12	# @see http://docs.oracle.com/javase/tutorial/essential/concurrency/pools.html
13	# @see http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/Executors.html
14	# @see http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html
15	def initialize(opts = {})	1✔
16	@queue = Queue.new	124✔
17	@thread = nil	124✔
18	init_executor	124✔
19	end
20
21	protected	1✔
22
23	# @!visibility private
24	def execute(*args, &task)	1✔
25	supervise	201✔
26	@queue << [args, task]	201✔
27	end
28
29	# @!visibility private
30	def shutdown_execution	1✔
31	@queue << :stop	15✔
32	stopped_event.set unless alive?	15✔
33	end
34
35	# @!visibility private
36	def kill_execution	1✔
37	@queue.clear	37✔
38	@thread.kill if alive?	37✔
39	end
40
41	# @!visibility private
42	def alive?	1✔
43	@thread && @thread.alive?	253✔
44	end
45
46	# @!visibility private
47	def supervise	1✔
48	@thread = new_worker_thread unless alive?	201✔
49	end
50
51	# @!visibility private
52	def new_worker_thread	1✔
53	Thread.new do	97✔
54	Thread.current.abort_on_exception = false	79✔
55	work	79✔
56	end
57	end
58
59	# @!visibility private
60	def work	1✔
61	loop do	79✔
62	task = @queue.pop	156✔
63	break if task == :stop	119✔
64	begin
65	task.last.call(*task.first)	109✔
66	rescue => ex
67	# let it fail
68	log DEBUG, ex	×
69	end
70	end
71	stopped_event.set	10✔
72	end
73	end
74	end

ruby-concurrency / concurrent-ruby / #2712

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