lojix/search/src/main/com/thesett/aima/search/util/informed/BaseHeuristicSearch.java
public SearchNode<O, T> createSearchNode(T state)
    {
        return new HeuristicSearchNode<O, T>(state, heuristic);
    }
public SearchNode<O, T> createSearchNode(T state)
    {
        return new HeuristicSearchNode<O, T>(state, heuristic);
    }
Creates the correct type of search nodes for this search. This search uses heuristic search nodes.

@param  state The search space state to create a search node for.

@return The state encapsulated in a heuristic search node.