#748

Committed 24 Apr 2014 12:31AM UTC coverage: 78.31% (-19.5%) from 97.805%

Build # #748

Build Type

push

Committed by

Commit Message

Attempting to fix a brittle test of Concurrent::timer.

Coverage Stats

1928 of 2462 relevant lines covered (78.31%)

409.47 hits per line

Source File
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90.63

/lib/concurrent/executor/ruby_single_thread_executor.rb

require_relative 'executor'

module Concurrent

  # @!macro single_thread_executor
  class RubySingleThreadExecutor
    include Executor

    # 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
        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 Executor	1✔
8
9	# Create a new thread pool.
10	#
11	# @see http://docs.oracle.com/javase/tutorial/essential/concurrency/pools.html
12	# @see http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/Executors.html
13	# @see http://docs.oracle.com/javase/8/docs/api/java/util/concurrent/ExecutorService.html
14	def initialize(opts = {})	1✔
15	@queue = Queue.new	93✔
16	@thread = nil	93✔
17	init_executor	93✔
18	end
19
20	protected	1✔
21
22	# @!visibility private
23	def execute(*args, &task)	1✔
24	supervise	209✔
25	@queue << [args, task]	209✔
26	end
27
28	# @!visibility private
29	def shutdown_execution	1✔
30	@queue << :stop	×
31	stopped_event.set unless alive?	×
32	end
33
34	# @!visibility private
35	def kill_execution	1✔
36	@queue.clear	1✔
37	@thread.kill if alive?	1✔
38	end
39
40	# @!visibility private
41	def alive?	1✔
42	@thread && @thread.alive?	210✔
43	end
44
45	# @!visibility private
46	def supervise	1✔
47	@thread = new_worker_thread unless alive?	209✔
48	end
49
50	# @!visibility private
51	def new_worker_thread	1✔
52	Thread.new do	87✔
53	Thread.current.abort_on_exception = false	74✔
54	work	74✔
55	end
56	end
57
58	# @!visibility private
59	def work	1✔
60	loop do	74✔
61	task = @queue.pop	130✔
62	break if task == :stop	95✔
63	begin
64	task.last.call(*task.first)	95✔
65	rescue => ex
66	# let it fail
67	end
68	end
69	stopped_event.set	×
70	end
71	end
72	end

jdantonio / concurrent-ruby / #748

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