Module: Flare::Util::Interruption

Included in:
Tools::Cli::SubCommand
Defined in:
lib/flare/util/interruption.rb

Constant Summary collapse

InterruptionTargets = 
[]

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.included(klass) ⇒ Object 



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# File 'lib/flare/util/interruption.rb', line 11

def self.included(klass)
  klass.class_eval {
    alias_method :initialize_before_interruption, :initialize
    def initialize(*args)
      super
      initialize_before_interruption(*args)
      initialize_interruption
    end
  }
end

.interrupt_all ⇒ Object 



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# File 'lib/flare/util/interruption.rb', line 22

def self.interrupt_all
  InterruptionTargets.each do |x|
    x.interrupt_
  end
end

Instance Method Details

#initialize_interruption ⇒ Object 



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# File 'lib/flare/util/interruption.rb', line 28

def initialize_interruption
  InterruptionTargets.push self
  @__interruptible__ = false
  @__interrupted__ = false
end

#interrupt ⇒ Object 



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# File 'lib/flare/util/interruption.rb', line 56

def interrupt
  if interruptible?
    info "INTERRUPTED"
    exit 1 
  end
end

#interrupt_ ⇒ Object 



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# File 'lib/flare/util/interruption.rb', line 51

def interrupt_
  @__interrupted__ = true
  interrupt
end

#interrupted? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/flare/util/interruption.rb', line 45

def interrupted?
  @__interrupted__
ensure
  @__interrupted__ = false
end

#interruptible(&block) ⇒ Object 



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# File 'lib/flare/util/interruption.rb', line 34

def interruptible(&block)
  @__interruptible__ = true
  block.call
ensure
  @__interruptible__ = false
end

#interruptible? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/flare/util/interruption.rb', line 41

def interruptible?
  @__interruptible__
end