jdk8-mips64-public/langtools: test/tools/javac/generics/inference/6365166/NewTest.java@d4828eba4939

     1 /*

     2  * Copyright 2005-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  */

    24 /**

    25  * @test

    26  * @bug     6365166

    27  * @summary javac (generic) unable to resolve methods

    28  * @compile NewTest.java

    29  */

    31 import java.util.*;

    33 public class NewTest<A,B> {

    34     private List<A> toAdd;

    36     public NewTest(List<A> toAdd) {

    37         this.toAdd = toAdd;

    38     }

    40     private List<A> getRelated(B b) {

    41         //some application logic

    42         //for demo

    43         return toAdd;

    44     }

    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     }

    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     }

    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);

    70         List<Number> ret4 = null;

    72         ret4 = test.addOrCreate4(1, ret4,lf);

    74     }

    75 }

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