Thu, 31 Aug 2017 15:18:52 +0800
merge
aoqi@0 | 1 | /* |
aoqi@0 | 2 | * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. |
aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@0 | 4 | * |
aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@0 | 7 | * published by the Free Software Foundation. Oracle designates this |
aoqi@0 | 8 | * particular file as subject to the "Classpath" exception as provided |
aoqi@0 | 9 | * by Oracle in the LICENSE file that accompanied this code. |
aoqi@0 | 10 | * |
aoqi@0 | 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@0 | 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@0 | 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@0 | 14 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@0 | 15 | * accompanied this code). |
aoqi@0 | 16 | * |
aoqi@0 | 17 | * You should have received a copy of the GNU General Public License version |
aoqi@0 | 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@0 | 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@0 | 20 | * |
aoqi@0 | 21 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@0 | 22 | * or visit www.oracle.com if you need additional information or have any |
aoqi@0 | 23 | * questions. |
aoqi@0 | 24 | */ |
aoqi@0 | 25 | |
aoqi@0 | 26 | package com.sun.xml.internal.ws.api.server; |
aoqi@0 | 27 | |
aoqi@0 | 28 | import java.util.concurrent.Executor; |
aoqi@0 | 29 | |
aoqi@0 | 30 | /** |
aoqi@0 | 31 | * ContainerResolver based on {@link ThreadLocal}. |
aoqi@0 | 32 | * <p> |
aoqi@0 | 33 | * The ThreadLocalContainerResolver is the default implementation available |
aoqi@0 | 34 | * from the ContainerResolver using {@link ContainerResolver#getDefault()}. Code |
aoqi@0 | 35 | * sections that run with a Container must use the following pattern: |
aoqi@0 | 36 | * <pre> |
aoqi@0 | 37 | * public void m() { |
aoqi@0 | 38 | * Container old = ContainerResolver.getDefault().enterContainer(myContainer); |
aoqi@0 | 39 | * try { |
aoqi@0 | 40 | * // ... method body |
aoqi@0 | 41 | * } finally { |
aoqi@0 | 42 | * ContainerResolver.getDefault().exitContainer(old); |
aoqi@0 | 43 | * } |
aoqi@0 | 44 | * } |
aoqi@0 | 45 | * </pre> |
aoqi@0 | 46 | * @since 2.2.7 |
aoqi@0 | 47 | */ |
aoqi@0 | 48 | public class ThreadLocalContainerResolver extends ContainerResolver { |
aoqi@0 | 49 | private ThreadLocal<Container> containerThreadLocal = new ThreadLocal<Container>() { |
aoqi@0 | 50 | @Override |
aoqi@0 | 51 | protected Container initialValue() { |
aoqi@0 | 52 | return Container.NONE; |
aoqi@0 | 53 | } |
aoqi@0 | 54 | }; |
aoqi@0 | 55 | |
aoqi@0 | 56 | public Container getContainer() { |
aoqi@0 | 57 | return containerThreadLocal.get(); |
aoqi@0 | 58 | } |
aoqi@0 | 59 | |
aoqi@0 | 60 | /** |
aoqi@0 | 61 | * Enters container |
aoqi@0 | 62 | * @param container Container to set |
aoqi@0 | 63 | * @return Previous container; must be remembered and passed to exitContainer |
aoqi@0 | 64 | */ |
aoqi@0 | 65 | public Container enterContainer(Container container) { |
aoqi@0 | 66 | Container old = containerThreadLocal.get(); |
aoqi@0 | 67 | containerThreadLocal.set(container); |
aoqi@0 | 68 | return old; |
aoqi@0 | 69 | } |
aoqi@0 | 70 | |
aoqi@0 | 71 | /** |
aoqi@0 | 72 | * Exits container |
aoqi@0 | 73 | * @param old Container returned from enterContainer |
aoqi@0 | 74 | */ |
aoqi@0 | 75 | public void exitContainer(Container old) { |
aoqi@0 | 76 | containerThreadLocal.set(old); |
aoqi@0 | 77 | } |
aoqi@0 | 78 | |
aoqi@0 | 79 | /** |
aoqi@0 | 80 | * Used by {@link com.sun.xml.internal.ws.api.pipe.Engine} to wrap asynchronous {@link com.sun.xml.internal.ws.api.pipe.Fiber} executions |
aoqi@0 | 81 | * @param container Container |
aoqi@0 | 82 | * @param ex Executor to wrap |
aoqi@0 | 83 | * @return an Executor that will set the container during executions of Runnables |
aoqi@0 | 84 | */ |
aoqi@0 | 85 | public Executor wrapExecutor(final Container container, final Executor ex) { |
aoqi@0 | 86 | if (ex == null) |
aoqi@0 | 87 | return null; |
aoqi@0 | 88 | |
aoqi@0 | 89 | return new Executor() { |
aoqi@0 | 90 | @Override |
aoqi@0 | 91 | public void execute(final Runnable command) { |
aoqi@0 | 92 | ex.execute(new Runnable() { |
aoqi@0 | 93 | @Override |
aoqi@0 | 94 | public void run() { |
aoqi@0 | 95 | Container old = enterContainer(container); |
aoqi@0 | 96 | try { |
aoqi@0 | 97 | command.run(); |
aoqi@0 | 98 | } finally { |
aoqi@0 | 99 | exitContainer(old); |
aoqi@0 | 100 | } |
aoqi@0 | 101 | } |
aoqi@0 | 102 | }); |
aoqi@0 | 103 | } |
aoqi@0 | 104 | }; |
aoqi@0 | 105 | } |
aoqi@0 | 106 | } |