duke@1: /*
duke@1:  * Copyright 2005-2007 Sun Microsystems, Inc.  All Rights Reserved.
duke@1:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@1:  *
duke@1:  * This code is free software; you can redistribute it and/or modify it
duke@1:  * under the terms of the GNU General Public License version 2 only, as
duke@1:  * published by the Free Software Foundation.
duke@1:  *
duke@1:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@1:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@1:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@1:  * version 2 for more details (a copy is included in the LICENSE file that
duke@1:  * accompanied this code).
duke@1:  *
duke@1:  * You should have received a copy of the GNU General Public License version
duke@1:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@1:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@1:  *
duke@1:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@1:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@1:  * have any questions.
duke@1:  */
duke@1: 
duke@1: /**
duke@1:  * @test
duke@1:  * @bug     6365166
duke@1:  * @summary javac (generic) unable to resolve methods
duke@1:  * @ignore  waiting for 6365166
duke@1:  * @compile NewTest.java
duke@1:  */
duke@1: 
duke@1: import java.util.*;
duke@1: 
duke@1: public class NewTest<A,B> {
duke@1:     private List<A> toAdd;
duke@1: 
duke@1:     public NewTest(List<A> toAdd) {
duke@1:         this.toAdd = toAdd;
duke@1:     }
duke@1: 
duke@1:     private List<A> getRelated(B b) {
duke@1:         //some application logic
duke@1:         //for demo
duke@1:         return toAdd;
duke@1:     }
duke@1: 
duke@1:     @SuppressWarnings("unchecked")
duke@1:     public <L extends List<? super A>,LF extends Factory<L>> L addOrCreate4(B b,L l,LF lf) {
duke@1:         if (l == null) {
duke@1:             l = lf.create();
duke@1:         }
duke@1:         ((List<? super A>)l).addAll(getRelated(b)); //to get round the compiler bug
duke@1:         return l;
duke@1:     }
duke@1: 
duke@1:     public static class ListFactory<T>  implements Factory<List<T>>{
duke@1:         public List<T> create() {
duke@1:             return new ArrayList<T>();
duke@1:         }
duke@1:     }
duke@1:     public static interface Factory<T> {
duke@1:         public T create();
duke@1:     }
duke@1: 
duke@1:     public static void main(String ... args) {
duke@1:         ListFactory<Number> lf = new ListFactory<Number>();
duke@1:         List<Long> longs = new ArrayList<Long>();
duke@1:         longs.add(new Long(1));
duke@1:         NewTest<Long,Number> test = new NewTest<Long,Number>(longs);
duke@1: 
duke@1:         List<Number> ret4 = null;
duke@1: 
duke@1:         ret4 = test.addOrCreate4(1, ret4,lf);
duke@1: 
duke@1:     }
duke@1: }