Class | Line # | Actions | |||||
---|---|---|---|---|---|---|---|
ExecutionContextRunnable | 34 | 11 | 0% | 4 | 2 |
1 | /* | |
2 | * See the NOTICE file distributed with this work for additional | |
3 | * information regarding copyright ownership. | |
4 | * | |
5 | * This is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU Lesser General Public License as | |
7 | * published by the Free Software Foundation; either version 2.1 of | |
8 | * the License, or (at your option) any later version. | |
9 | * | |
10 | * This software is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | * Lesser General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU Lesser General Public | |
16 | * License along with this software; if not, write to the Free | |
17 | * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA | |
18 | * 02110-1301 USA, or see the FSF site: http://www.fsf.org. | |
19 | */ | |
20 | package org.xwiki.context.concurrent; | |
21 | ||
22 | import org.xwiki.component.manager.ComponentLookupException; | |
23 | import org.xwiki.component.manager.ComponentManager; | |
24 | import org.xwiki.context.Execution; | |
25 | import org.xwiki.context.ExecutionContext; | |
26 | import org.xwiki.context.ExecutionContextManager; | |
27 | ||
28 | /** | |
29 | * {@link Runnable} wrapper which initialize and clean the execution context. | |
30 | * | |
31 | * @version $Id: b7b0ff6d9b3c37911aedad3df91d1efb4ed304c0 $ | |
32 | * @since 5.1RC1 | |
33 | */ | |
34 | public class ExecutionContextRunnable implements Runnable | |
35 | { | |
36 | /** | |
37 | * Used to access the components needed to initialize and dispose the {@link ExecutionContext}. | |
38 | */ | |
39 | private ComponentManager componentManager; | |
40 | ||
41 | /** | |
42 | * The runnable to wrap. | |
43 | */ | |
44 | private Runnable runnable; | |
45 | ||
46 | /** | |
47 | * @param runnable used to access the components needed to initialize and dispose the {@link ExecutionContext}. | |
48 | * @param componentManager the runnable to wrap. | |
49 | */ | |
50 | 3 | public ExecutionContextRunnable(Runnable runnable, ComponentManager componentManager) |
51 | { | |
52 | 3 | this.runnable = runnable; |
53 | 3 | this.componentManager = componentManager; |
54 | } | |
55 | ||
56 | 3 | @Override |
57 | public void run() | |
58 | { | |
59 | // Create a clean Execution Context | |
60 | 3 | ExecutionContext context = new ExecutionContext(); |
61 | ||
62 | 3 | try { |
63 | 3 | this.componentManager.<ExecutionContextManager>getInstance(ExecutionContextManager.class).initialize( |
64 | context); | |
65 | } catch (Exception e) { | |
66 | 0 | throw new RuntimeException("Failed to initialize Runnable [" + this + "] execution context", e); |
67 | } | |
68 | ||
69 | 3 | try { |
70 | 3 | this.runnable.run(); |
71 | } finally { | |
72 | 3 | try { |
73 | 3 | this.componentManager.<Execution>getInstance(Execution.class).removeContext(); |
74 | } catch (ComponentLookupException e) { | |
75 | 0 | throw new RuntimeException("Failed to cleanup ExecutionContext after Runnable execution", e); |
76 | } | |
77 | } | |
78 | } | |
79 | } |