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 }