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[simantics/platform.git] / bundles / org.simantics.browsing.ui.graph.impl / src / org / simantics / browsing / ui / graph / impl / contribution / CheckedStateContributionImpl.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.browsing.ui.graph.impl.contribution;\r
13 \r
14 import org.simantics.browsing.ui.CheckedState;\r
15 import org.simantics.browsing.ui.NodeContext;\r
16 import org.simantics.browsing.ui.PrimitiveQueryUpdater;\r
17 import org.simantics.browsing.ui.BuiltinKeys.CheckedStateKey;\r
18 import org.simantics.db.procedure.Listener;\r
19 import org.simantics.db.procedure.Procedure;\r
20 import org.simantics.utils.ui.ErrorLogger;\r
21 \r
22 /**\r
23  * \r
24  * @author Antti Villberg\r
25  */\r
26 abstract public class CheckedStateContributionImpl extends FinalCheckedStateContributionImpl {\r
27 \r
28         public CheckedStateContributionImpl(PrimitiveQueryUpdater updater,\r
29                         NodeContext context, CheckedStateKey key) {\r
30                 super(updater, context, key);\r
31         }\r
32 \r
33         @Override\r
34         protected Procedure<CheckedState> createProcedure() {\r
35                 \r
36         return new Listener<CheckedState>() {\r
37 \r
38             @Override\r
39             public void execute(CheckedState result) {\r
40                 replaceResult(result);\r
41             }\r
42 \r
43             @Override\r
44             public boolean isDisposed() {\r
45                 return updater.isDisposed();\r
46             }\r
47 \r
48             @Override\r
49             public void exception(Throwable t) {\r
50                 ErrorLogger.defaultLogError("LazyContributionImpl.childQuery failed, see exception for details.", t);\r
51             }\r
52 \r
53         };\r
54                 \r
55         }\r
56 \r
57 }\r