Class: MTree::TreeTask

Inherits:
Task
  • Object
show all
Defined in:
ext/lib/CompLearnLib/Tree.rb

Instance Method Summary collapse

Constructor Details

#initialize(tree, tries, penalty) ⇒ TreeTask

Returns a new instance of TreeTask.



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# File 'ext/lib/CompLearnLib/Tree.rb', line 10

def initialize(tree, tries, penalty)
  @tree, @tries, @penalty = tree, tries, penalty
end

Instance Method Details

#execute ⇒ Object 



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# File 'ext/lib/CompLearnLib/Tree.rb', line 13

def execute()
  dm = fetch('dm')
  ts = TreeScore.makeFullList(dm)
  ts.penalty = @penalty
  best, bestscore = nil, nil
  @tries.times {
    maybe = @tree.clone
    maybe.mutateComplex
    score = ts.score(maybe)
    if (best == nil || bestscore < score)
      best = maybe
      bestscore = score
    end
  }
  reply([best, bestscore])
end