package edu.stanford.peer.rbtm.engine;

import edu.stanford.peer.rbtm.credential.*;

public class DefaultSolutionFilter implements SolutionFilter, java.io.Serializable
{
	public ForwardSolution getForwardSolution(EntityExpression re) {
		if (re instanceof Role) {
			return re;
		}
		return null;
	}

	public BackwardSolution getBackwardSolution(EntityExpression re) {
		if (re instanceof Entity) {
			return re;
		}
		return null;
	}
}