Class: Node

Inherits:
Object
  • Object
show all
Defined in:
lib/node.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(xml) ⇒ Node

Returns a new instance of Node.



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# File 'lib/node.rb', line 7

def initialize(xml)
  children = xml.children
  @pred = Predicate.new(children[0])

  @decision = xml.attribute('score').to_s

  return if children.count == 1
  @left = Node.new(children[1]) if children[1]
  @right = Node.new(children[2]) if children[2]
end

Instance Attribute Details

#decision ⇒ Object (readonly)

Returns the value of attribute decision.



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# File 'lib/node.rb', line 5

def decision
  @decision
end

#left ⇒ Object (readonly)

Returns the value of attribute left.



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# File 'lib/node.rb', line 5

def left
  @left
end

#pred ⇒ Object (readonly)

Returns the value of attribute pred.



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# File 'lib/node.rb', line 5

def pred
  @pred
end

#right ⇒ Object (readonly)

Returns the value of attribute right.



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# File 'lib/node.rb', line 5

def right
  @right
end

Instance Method Details

#true?(features) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/node.rb', line 18

def true?(features)
  @pred.nil? || @pred.true?(features)
end