Class: Java::NorsysNetica::Node

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

Constant Summary collapse

NODE_KINDS =

from github.com/SixArm/sixarm_ruby_netica

{
 Java::NorsysNetica::Node::NATURE_NODE => :nature,
 Java::NorsysNetica::Node::DECISION_NODE => :decision,
 Java::NorsysNetica::Node::UTILITY_NODE => :utility,
 Java::NorsysNetica::Node::CONSTANT_NODE => :constant,
 Java::NorsysNetica::Node::DISCONNECTED_NODE => :disconnected
}
NODE_TYPES = 
{
 Java::NorsysNetica::Node::DISCRETE_TYPE => :nature,
 Java::NorsysNetica::Node::CONTINUOUS_TYPE => :decision
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#value(state_name = nil) ⇒ Object

Returns the value of attribute value.



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# File 'lib/netica/node.rb', line 2

def value
  @value
end

Instance Method Details

#beliefs ⇒ Object 



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# File 'lib/netica/node.rb', line 38

def beliefs
  states.collect{ |st| getBelief(st.to_s) }
end

#decision_node? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/netica/node.rb', line 30

def decision_node?
  type == :decision
end

#free ⇒ Object 



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# File 'lib/netica/node.rb', line 98

def free
  begin
    Netica::NeticaLogger.info "Deleting #{self.to_s}"
    finalize()
    delete()
    states.each{|s| s==nil or s.free() }
  rescue Java::NorsysNetica::NeticaException
  end
end

#hint ⇒ Object 



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# File 'lib/netica/node.rb', line 42

def hint
  user().getString("Hint")
end

#incr ⇒ Object 



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# File 'lib/netica/node.rb', line 74

def incr
  if decision_node?
    self.value = value + 1
  end
end

#inspect ⇒ Object 



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# File 'lib/netica/node.rb', line 90

def inspect
  "#<Java::NorsysNetica::#{self.to_s} value:#{value}>"
end

#kind ⇒ Object 



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# File 'lib/netica/node.rb', line 22

def kind
  NODE_KINDS[getKind]
end

#name ⇒ Object 



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

def name
  getName
end

#nature_node? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/netica/node.rb', line 34

def nature_node?
  type == :nature
end

#states ⇒ Object 



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# File 'lib/netica/node.rb', line 94

def states
  (0...getNumStates()).map{|i| state(i) }
end

#to_s ⇒ Object 



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# File 'lib/netica/node.rb', line 80

def to_s
  if type == kind
    prefix = type.capitalize
  else
    prefix = "#{type.capitalize}#{kind.capitalize}"
  end

  "#{prefix}Node:#{name}"
end

#top_parent_node ⇒ Object 



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# File 'lib/netica/node.rb', line 46

def top_parent_node
  getParents().sort_by_belief()[0]
end

#type ⇒ Object 



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# File 'lib/netica/node.rb', line 26

def type
  NODE_TYPES[getType]
end