lojix/search/src/main/com/thesett/aima/search/util/uninformed/UniformCostSearch.java
public Queue<SearchNode<O, T>> createQueue()
    {
        return new PriorityQueue<SearchNode<O, T>>(11, new UniformCostComparator());
    }
public Queue<SearchNode<O, T>> createQueue()
    {
        return new PriorityQueue<SearchNode<O, T>>(11, new UniformCostComparator());
    }
Creates the correct type of queue for this search. This search uses a priority queue ordered by path cost.

@return An empty priority queue with path cost.