public interface Evaluator
Pathand decides whether or not it should be included in the traversal result. It also decides whether the traverser should continue down that path or if it should be pruned so that the traverser won't continue down that path.
Evaluation evaluate(Path path)
Pathand returns an
Evaluationcontaining information about whether or not to include it in the traversal result, i.e return it from the
Traverser. And also whether or not to continue traversing down that
pathor if it instead should be pruned so that the traverser won't continue down that branch represented by
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