Class: Carnivore::Supervisor

Inherits:
Zoidberg::Supervisor
  • Object
show all
Defined in:
lib/carnivore/supervisor.rb

Class Method Summary collapse

Class Method Details

.alive? ⇒ TrueClass, FalseClass

Check if default supervisor is alive

Returns:

  • (TrueClass, FalseClass) 


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# File 'lib/carnivore/supervisor.rb', line 65

def alive?
  supervisor && supervisor.alive?
end

.build! ⇒ Carinvore::Supervisor

Build a new supervisor

Returns:

  • (Carinvore::Supervisor) 


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# File 'lib/carnivore/supervisor.rb', line 11

def build!
  _, s = create!
  supervisor(s)
end

.create! ⇒ Array<[Zoidberg::Registry, Carnivore::Supervisor]>

Create a new supervisor

Returns:



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# File 'lib/carnivore/supervisor.rb', line 19

def create!
  s = Carnivore::Supervisor.new
  [s.registry, s]
end

.registry ⇒ Celluloid::Registry, NilClass

Get the registry of the default supervisor

Returns:

  • (Celluloid::Registry, NilClass) 


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# File 'lib/carnivore/supervisor.rb', line 41

def registry
  if(supervisor)
    supervisor.registry
  end
end

.supervisor(sup = nil) ⇒ Carnivore::Supervisor

Get/set the default supervisor

Parameters:

Returns:



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# File 'lib/carnivore/supervisor.rb', line 28

def supervisor(sup=nil)
  if(sup)
    @supervisor = sup
  end
  unless(@supervisor)
    raise Zoidberg::DeadException.new('Instance in terminated state!')
  end
  @supervisor
end

.terminate! ⇒ TrueClass

Destroy the registered default supervisor

Returns:

  • (TrueClass) 


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# File 'lib/carnivore/supervisor.rb', line 50

def terminate!
  if(supervisor)
    begin
      supervisor.terminate
    rescue Zoidberg::DeadException => e
      Carnivore::Logger.warn "Default supervisor is already in dead state (#{e.class}: #{e})"
    end
    @supervisor = nil
  end
  true
end