Fri, 14 Feb 2014 11:13:45 +0100
8026188: Enhance envelope factory
Summary: Avoiding caching data initialized via TCCL in static context; fix also reviewed by Alexander Fomin
Reviewed-by: ahgross, mgrebac, skoivu
ohair@286 | 1 | /* |
alanb@368 | 2 | * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
ohair@286 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
ohair@286 | 4 | * |
ohair@286 | 5 | * This code is free software; you can redistribute it and/or modify it |
ohair@286 | 6 | * under the terms of the GNU General Public License version 2 only, as |
ohair@286 | 7 | * published by the Free Software Foundation. Oracle designates this |
ohair@286 | 8 | * particular file as subject to the "Classpath" exception as provided |
ohair@286 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
ohair@286 | 10 | * |
ohair@286 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
ohair@286 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
ohair@286 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
ohair@286 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
ohair@286 | 15 | * accompanied this code). |
ohair@286 | 16 | * |
ohair@286 | 17 | * You should have received a copy of the GNU General Public License version |
ohair@286 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
ohair@286 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
ohair@286 | 20 | * |
ohair@286 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
ohair@286 | 22 | * or visit www.oracle.com if you need additional information or have any |
ohair@286 | 23 | * questions. |
ohair@286 | 24 | */ |
ohair@286 | 25 | |
ohair@286 | 26 | package com.sun.xml.internal.ws.util; |
ohair@286 | 27 | |
ohair@286 | 28 | import java.util.concurrent.ExecutionException; |
ohair@286 | 29 | import java.util.concurrent.Future; |
ohair@286 | 30 | import java.util.concurrent.TimeUnit; |
ohair@286 | 31 | |
ohair@286 | 32 | /** |
ohair@286 | 33 | * {@link Future} implementation that obtains an already available value. |
ohair@286 | 34 | * |
ohair@286 | 35 | * @author Kohsuke Kawaguchi |
ohair@286 | 36 | * @author Jitendra Kotamraju |
ohair@286 | 37 | */ |
ohair@286 | 38 | public class CompletedFuture<T> implements Future<T> { |
ohair@286 | 39 | private final T v; |
ohair@286 | 40 | private final Throwable re; |
ohair@286 | 41 | |
ohair@286 | 42 | public CompletedFuture(T v, Throwable re) { |
ohair@286 | 43 | this.v = v; |
ohair@286 | 44 | this.re = re; |
ohair@286 | 45 | } |
ohair@286 | 46 | |
ohair@286 | 47 | public boolean cancel(boolean mayInterruptIfRunning) { |
ohair@286 | 48 | return false; |
ohair@286 | 49 | } |
ohair@286 | 50 | |
ohair@286 | 51 | public boolean isCancelled() { |
ohair@286 | 52 | return false; |
ohair@286 | 53 | } |
ohair@286 | 54 | |
ohair@286 | 55 | public boolean isDone() { |
ohair@286 | 56 | return true; |
ohair@286 | 57 | } |
ohair@286 | 58 | |
ohair@286 | 59 | public T get() throws ExecutionException { |
ohair@286 | 60 | if (re != null) { |
ohair@286 | 61 | throw new ExecutionException(re); |
ohair@286 | 62 | } |
ohair@286 | 63 | return v; |
ohair@286 | 64 | } |
ohair@286 | 65 | |
ohair@286 | 66 | public T get(long timeout, TimeUnit unit) throws ExecutionException { |
ohair@286 | 67 | return get(); |
ohair@286 | 68 | } |
ohair@286 | 69 | } |