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[simantics/platform.git] / bundles / org.simantics.diagram / src / org / simantics / diagram / synchronization / ThreadingModificationProxy.java
1 /*******************************************************************************\r
2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management\r
3  * in Industry THTH ry.\r
4  * All rights reserved. This program and the accompanying materials\r
5  * are made available under the terms of the Eclipse Public License v1.0\r
6  * which accompanies this distribution, and is available at\r
7  * http://www.eclipse.org/legal/epl-v10.html\r
8  *\r
9  * Contributors:\r
10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
11  *******************************************************************************/\r
12 package org.simantics.diagram.synchronization;\r
13 \r
14 import org.simantics.db.WriteGraph;\r
15 import org.simantics.utils.threads.IThreadWorkQueue;\r
16 import org.simantics.utils.threads.ThreadUtils;\r
17 \r
18 /**\r
19  * @author Tuukka Lehtonen\r
20  */\r
21 public class ThreadingModificationProxy extends ModificationAdapter {\r
22     private final IModification    m;\r
23     private final IThreadWorkQueue completionThread;\r
24     private final boolean          syncCompletion;\r
25 \r
26     public ThreadingModificationProxy(IModification m, IThreadWorkQueue completionThread, boolean syncCompletion) {\r
27         super(m.getPriority());\r
28         this.m = m;\r
29         this.completionThread = completionThread;\r
30         this.syncCompletion = syncCompletion;\r
31     }\r
32     @Override\r
33     public void completed() {\r
34         if (completionThread != null) {\r
35             Runnable r = new Runnable() {\r
36                 @Override\r
37                 public void run() {\r
38                     m.completed();\r
39                 }\r
40             };\r
41             if (syncCompletion)\r
42                 ThreadUtils.syncExec(completionThread, r);\r
43             else\r
44                 ThreadUtils.asyncExec(completionThread, r);\r
45         } else {\r
46             m.completed();\r
47         }\r
48     }\r
49     @Override\r
50     public boolean isComplete() {\r
51         return m.isComplete();\r
52     }\r
53     @Override\r
54     public void markComplete() {\r
55         m.markComplete();\r
56     }\r
57     @Override\r
58     public void perform(WriteGraph g) throws Exception {\r
59         m.perform(g);\r
60     }\r
61     @Override\r
62     public Throwable getException() {\r
63         return m.getException();\r
64     }\r
65     @Override\r
66     public void setException(Throwable t) {\r
67         m.setException(t);\r
68     }\r
69     @Override\r
70     public String toString() {\r
71         return getClass().getSimpleName() + "[" + m + "]";\r
72     }\r
73 }