Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: test/tools/javac/generics/inference/6365166/NewTest.java
test/tools/javac/generics/inference/6365166/NewTest.java
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| 1 /* | |
| 2 * Copyright (c) 2005, 2007, Oracle and/or its affiliates. All rights reserved. | |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | |
| 4 * | |
| 5 * This code is free software; you can redistribute it and/or modify it | |
| 6 * under the terms of the GNU General Public License version 2 only, as | |
| 7 * published by the Free Software Foundation. | |
| 8 * | |
| 9 * This code is distributed in the hope that it will be useful, but WITHOUT | |
| 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 12 * version 2 for more details (a copy is included in the LICENSE file that | |
| 13 * accompanied this code). | |
| 14 * | |
| 15 * You should have received a copy of the GNU General Public License version | |
| 16 * 2 along with this work; if not, write to the Free Software Foundation, | |
| 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 18 * | |
| 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA | |
| 20 * or visit www.oracle.com if you need additional information or have any | |
| 21 * questions. | |
| 22 */ | |
| 23 | |
| 24 /** | |
| 25 * @test | |
| 26 * @bug 6365166 | |
| 27 * @summary javac (generic) unable to resolve methods | |
| 28 * @compile NewTest.java | |
| 29 */ | |
| 30 | |
| 31 import java.util.*; | |
| 32 | |
| 33 public class NewTest<A,B> { | |
| 34 private List<A> toAdd; | |
| 35 | |
| 36 public NewTest(List<A> toAdd) { | |
| 37 this.toAdd = toAdd; | |
| 38 } | |
| 39 | |
| 40 private List<A> getRelated(B b) { | |
| 41 //some application logic | |
| 42 //for demo | |
| 43 return toAdd; | |
| 44 } | |
| 45 | |
| 46 @SuppressWarnings("unchecked") | |
| 47 public <L extends List<? super A>,LF extends Factory<L>> L addOrCreate4(B b,L l,LF lf) { | |
| 48 if (l == null) { | |
| 49 l = lf.create(); | |
| 50 } | |
| 51 ((List<? super A>)l).addAll(getRelated(b)); //to get round the compiler bug | |
| 52 return l; | |
| 53 } | |
| 54 | |
| 55 public static class ListFactory<T> implements Factory<List<T>>{ | |
| 56 public List<T> create() { | |
| 57 return new ArrayList<T>(); | |
| 58 } | |
| 59 } | |
| 60 public static interface Factory<T> { | |
| 61 public T create(); | |
| 62 } | |
| 63 | |
| 64 public static void main(String ... args) { | |
| 65 ListFactory<Number> lf = new ListFactory<Number>(); | |
| 66 List<Long> longs = new ArrayList<Long>(); | |
| 67 longs.add(new Long(1)); | |
| 68 NewTest<Long,Number> test = new NewTest<Long,Number>(longs); | |
| 69 | |
| 70 List<Number> ret4 = null; | |
| 71 | |
| 72 ret4 = test.addOrCreate4(1, ret4,lf); | |
| 73 | |
| 74 } | |
| 75 } |
