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[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / adapter / RVIStringAdapter.java
1 /*******************************************************************************\r
2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in\r
3  * 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.db.layer0.adapter;\r
13 \r
14 import org.simantics.databoard.Databoard;\r
15 import org.simantics.databoard.binding.Binding;\r
16 import org.simantics.db.ReadGraph;\r
17 import org.simantics.db.Resource;\r
18 import org.simantics.db.common.adaption.SimpleAdapter;\r
19 import org.simantics.db.exception.AdaptionException;\r
20 import org.simantics.db.exception.DatabaseException;\r
21 import org.simantics.db.layer0.variable.RVI;\r
22 \r
23 /**\r
24  * @author Tuukka Lehtonen\r
25  */\r
26 public class RVIStringAdapter extends SimpleAdapter<String> {\r
27 \r
28     @Override\r
29     public String adapt(ReadGraph graph, Resource r) throws DatabaseException {\r
30         Binding rviBinding = graph.getService(Databoard.class).getBindingUnchecked( RVI.class );\r
31         RVI rvi = graph.getValue(r, rviBinding);\r
32         try {\r
33             return rvi.toString(graph);\r
34         } catch (AdaptionException e) {\r
35             return rvi.toString();\r
36         }\r
37     }\r
38 \r
39 }\r