Module: Rbgo::Channel::Chan

Includes:
Enumerable
Included in:
BufferChan, NonBufferChan
Defined in:
lib/rbgo/select_chan.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.after(seconds, &blk) ⇒ Object 



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# File 'lib/rbgo/select_chan.rb', line 33

def self.after(seconds, &blk)
  ch = new
  CoRun::Routine.new(new_thread: true, queue_tag: :none) do
    begin
      sleep seconds
      v = blk.nil? ? Time.now : blk.call
      ch << v rescue nil
    ensure
      ch.close
    end
  end
  ch
end

.new(max = 0) ⇒ Object 



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# File 'lib/rbgo/select_chan.rb', line 24

def self.new(max = 0)
  max = max.to_i
  if max <= 0
    NonBufferChan.new
  else
    BufferChan.new(max)
  end
end

.perform(timeout: nil, &blk) ⇒ Object 



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# File 'lib/rbgo/select_chan.rb', line 67

def self.perform(timeout: nil, &blk)
  ch = new
  CoRun::Routine.new(new_thread: false, queue_tag: :default) do
    begin
      res = nil
      Timeout::timeout(timeout) do
        res = blk.call
      end
      ch << res rescue nil
    rescue Timeout::Error
    ensure
      ch.close
    end
  end
  ch
end

.tick(every_seconds, &blk) ⇒ Object 



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# File 'lib/rbgo/select_chan.rb', line 47

def self.tick(every_seconds, &blk)
  ch = new
  CoRun::Routine.new(new_thread: true, queue_tag: :none) do
    begin
      loop do
        break if ch.closed?
        sleep every_seconds
        v = blk.nil? ? Time.now : blk.call
        begin
          ch.enq(v, true)
        rescue ThreadError
        end
      end
    ensure
      ch.close
    end
  end
  ch
end

Instance Method Details

#each ⇒ Object 



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# File 'lib/rbgo/select_chan.rb', line 9

def each
  if block_given?
    loop do
      obj, ok = pop
      if ok
        yield obj
      else
        break
      end
    end
  else
    enum_for(:each)
  end
end