// function DEPTH-LIMITED-SEARCH(problem, limit) returns a solution, or
// failure/cutoff
/**
* Returns a list of actions to reach the goal if a goal was found, or empty.
* The list itself can be empty if the initial state is a goal state.
*
* @return if goal found, the list of actions to the goal, empty otherwise.
*/
public ICollection <A> findActions(IProblem <S, A> p)
{
nodeExpander.useParentLinks(true);
Node <S, A> node = findNode(p);
return(!isCutoffResult(node) ? SearchUtils.toActions(node) : null);
}
public ICollection <A> findActions(IProblem <S, A> p)
{
nodeExpander.useParentLinks(true);
return(SearchUtils.toActions(findNode(p)));
}