package aima.core.environment.map;
import aima.core.search.framework.BidirectionalProblem;
import aima.core.search.framework.DefaultGoalTest;
import aima.core.search.framework.Problem;
/**
* @author Ciaran O'Reilly
*
*/
public class BidirectionalMapProblem extends Problem implements
BidirectionalProblem {
Map map;
Problem reverseProblem;
public BidirectionalMapProblem(Map map, String initialState,
String goalState) {
super(initialState, MapFunctionFactory.getActionsFunction(map),
MapFunctionFactory.getResultFunction(), new DefaultGoalTest(
goalState), new MapStepCostFunction(map));
this.map = map;
reverseProblem = new Problem(goalState,
MapFunctionFactory.getActionsFunction(map),
MapFunctionFactory.getResultFunction(), new DefaultGoalTest(
initialState), new MapStepCostFunction(map));
}
//
// START Interface BidrectionalProblem
public Problem getOriginalProblem() {
return this;
}
public Problem getReverseProblem() {
return reverseProblem;
}
// END Interface BirectionalProblem
//
}