001 package listFW; 002 003 /** 004 * A visitor to (algorithm on) an IList<T> where T is a subclass of E 005 * Also parameterized by it return type R and parameter type T. 006 * @author Mathias Ricken - Copyright 2008 - All rights reserved. 007 */ 008 public interface IListAlgo<E,R,P> { 009 010 public abstract R emptyCase(IMTList<? extends E> host, P ... inp); 011 012 public abstract R nonEmptyCase(INEList<? extends E> host, P ... inp); 013 } 014