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[simantics/platform.git] / bundles / org.simantics.db.layer0 / src / org / simantics / db / layer0 / adapter / RVIStringAdapter.java
1 /*******************************************************************************
2  * Copyright (c) 2007, 2011 Association for Decentralized Information Management in
3  * Industry THTH ry.
4  * All rights reserved. This program and the accompanying materials
5  * are made available under the terms of the Eclipse Public License v1.0
6  * which accompanies this distribution, and is available at
7  * http://www.eclipse.org/legal/epl-v10.html
8  *
9  * Contributors:
10  *     VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.db.layer0.adapter;
13
14 import org.simantics.databoard.Databoard;
15 import org.simantics.databoard.binding.Binding;
16 import org.simantics.db.ReadGraph;
17 import org.simantics.db.Resource;
18 import org.simantics.db.common.adaption.SimpleAdapter;
19 import org.simantics.db.exception.AdaptionException;
20 import org.simantics.db.exception.DatabaseException;
21 import org.simantics.db.layer0.variable.RVI;
22
23 /**
24  * @author Tuukka Lehtonen
25  */
26 public class RVIStringAdapter extends SimpleAdapter<String> {
27
28     @Override
29     public String adapt(ReadGraph graph, Resource r) throws DatabaseException {
30         Binding rviBinding = graph.getService(Databoard.class).getBindingUnchecked( RVI.class );
31         RVI rvi = graph.getValue(r, rviBinding);
32         try {
33             return rvi.toString(graph);
34         } catch (AdaptionException e) {
35             return rvi.toString();
36         }
37     }
38
39 }