Class: Aruba::Command

Inherits:
SimpleDelegator
  • Object
show all
Defined in:
lib/aruba/command.rb

Overview

Command

This class is not meant for direct use - Command.new, though it’s API is public. As it is just a wrapper class, have a look at ‘BasicProcess` and the like for the public API.

See Also:

  • BasicProcess
  • SpawnProcess

Instance Method Summary collapse

Constructor Details

#initialize(command, opts = {}) ⇒ Command

Returns a new instance of Command.



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# File 'lib/aruba/command.rb', line 27

def initialize(command, opts = {})
  launchers = []
  launchers << Processes::DebugProcess
  launchers << Processes::InProcess
  launchers << Processes::SpawnProcess

  klass = launchers.find { |l| l.match? opts[:mode] }

  launcher = klass.new(
    command,
    opts.fetch(:exit_timeout),
    opts.fetch(:io_wait_timeout),
    opts.fetch(:working_directory),
    opts.fetch(:environment),
    opts.fetch(:main_class),
    opts.fetch(:stop_signal),
    opts.fetch(:startup_wait_time)
  )

  super(launcher)

  @event_bus = opts.fetch(:event_bus)
rescue KeyError => e
  raise ArgumentError, e.message
end

Instance Method Details

#start ⇒ Object Also known as: run!

Start command



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# File 'lib/aruba/command.rb', line 74

def start
  __getobj__.start
  event_bus.notify Events::CommandStarted.new(self)

  self
end

#stop ⇒ Object

Stop command



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# File 'lib/aruba/command.rb', line 54

def stop(*)
  return if __getobj__.stopped?

  __getobj__.stop
  event_bus.notify Events::CommandStopped.new(self)

  self
end

#terminate ⇒ Object

Terminate command



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# File 'lib/aruba/command.rb', line 64

def terminate(*)
  return if __getobj__.stopped?

  __getobj__.terminate
  event_bus.notify Events::CommandStopped.new(self)

  self
end