Class: PikaQue::Launcher

Inherits:
Object
  • Object
show all
Includes:
Logging
Defined in:
lib/pika_que/launcher.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Logging

init_logger, logger, #logger, logger=

Constructor Details

#initialize(runnable) ⇒ Launcher

Returns a new instance of Launcher.



5
6
7
# File 'lib/pika_que/launcher.rb', line 5

def initialize(runnable)
  @runnable = runnable
end

Class Method Details

.launch(runnable) ⇒ Object



9
10
11
12
13
14
15
# File 'lib/pika_que/launcher.rb', line 9

def self.launch(runnable)
  if block_given?
    new(runnable).launch { yield }
  else
    new(runnable).launch
  end
end

Instance Method Details

#launchObject



17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
# File 'lib/pika_que/launcher.rb', line 17

def launch
  @sig_read, @sig_write = IO.pipe

  register_signals

  if block_given?
    yield
  else
    runnable.run
  end

  while readable_io = wait_for_signal
    signal = readable_io.first[0].gets.strip
    handle_signal(signal)
  end
  
end