Module: Manacle::Constraint::InstanceMethods

Defined in:
lib/manacle/constraint.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#actuator ⇒ Object (readonly)

Returns the value of attribute actuator.



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# File 'lib/manacle/constraint.rb', line 28

def actuator
  @actuator
end

Instance Method Details

#constrain ⇒ Object 



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# File 'lib/manacle/constraint.rb', line 43

def constrain
  @actuator.constrain
end

#constrainables ⇒ Object 



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# File 'lib/manacle/constraint.rb', line 30

def constrainables
  self.class.constrainables
end

#initialize(obj) ⇒ Object 



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# File 'lib/manacle/constraint.rb', line 12

def initialize(obj)
  if obj.nil?
    raise
  end

  if obj.class < Manacle::Proxy
    raise
  end

  @actuator = if obj.class < Actuator
    obj
  else
    Actuator.build(obj, self)
  end
end

#klass ⇒ Object 



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# File 'lib/manacle/constraint.rb', line 55

def klass
  @actuator.constrain.class
end

#levels ⇒ Object 



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# File 'lib/manacle/constraint.rb', line 59

def levels
  ["CONSTRAINT #{constraint}"] + @actuator.levels
end

#proxy ⇒ Object 



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# File 'lib/manacle/constraint.rb', line 47

def proxy
  proxy_class = @actuator.proxy
  unless proxy_class.kind_of?(Class)
    raise "#{@actuator.inspect} is proxying non-classes: #{self.levels}"
  end
  proxy_class.new(self)
end

#reconstrain(obj) ⇒ Object 



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# File 'lib/manacle/constraint.rb', line 34

def reconstrain(obj)
  r = @actuator.reconstrain(obj)
  self.class.new(r)
end

#unconstrain ⇒ Object 



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# File 'lib/manacle/constraint.rb', line 39

def unconstrain
  @actuator.unconstrain
end