Mercurial > hg > truffle
comparison graal/com.oracle.max.base/src/com/sun/max/lang/Function.java @ 3733:e233f5660da4
Added Java files from Maxine project.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 17 Dec 2011 19:59:18 +0100 |
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3732:3e2e8b8abdaf | 3733:e233f5660da4 |
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1 /* | |
2 * Copyright (c) 2007, 2011, 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 package com.sun.max.lang; | |
24 | |
25 import java.util.concurrent.*; | |
26 | |
27 /** | |
28 * Creates a function wrapper for a method that returns a value and may throw a checked exception. | |
29 * This interface extends {@link Callable} so that {@code Function}s can be used with an {@link ExecutorService}. | |
30 */ | |
31 public interface Function<T> extends Callable<T> { | |
32 | |
33 /** | |
34 * Computes a result, or throws an exception if unable to do so. | |
35 * | |
36 * @return computed result (which will be {@code null} if {@code Result_Type} is {@link Void}) | |
37 * @throws Exception if unable to compute a result | |
38 */ | |
39 T call() throws Exception; | |
40 | |
41 } |