Class: NullRule

Inherits:
Rule
  • Object
show all
Defined in:
lib/rules/NullRule.rb

Instance Attribute Summary

Attributes inherited from Rule

#type

Instance Method Summary collapse

Constructor Details

#initialize ⇒ NullRule

Returns a new instance of NullRule.



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# File 'lib/rules/NullRule.rb', line 5

def initialize()
  @type = :null
end

Instance Method Details

#random ⇒ Object 



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# File 'lib/rules/NullRule.rb', line 32

def random()
  nil
end

#result ⇒ Object 



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# File 'lib/rules/NullRule.rb', line 26

def result()
  {
    :type => @type
  }
end

#test(value) ⇒ Object

Parameters:

  • value (NilClass) 


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# File 'lib/rules/NullRule.rb', line 19

def test(value)

  return false unless value.nil?
  return true

end

#train(meta) ⇒ Object

Parameters:



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# File 'lib/rules/NullRule.rb', line 12

def train(meta)
  # No need to train. NullMeta is always null.
end