bundles/org.simantics.db.layer0/src/org/simantics/db/layer0/variable/StandardResourceVariableSpaceManipulator.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in 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.variable;
  13
  14 import org.simantics.databoard.Bindings;
  15 import org.simantics.db.Resource;
  16 import org.simantics.db.WriteGraph;
  17 import org.simantics.db.exception.DatabaseException;
  18 import org.simantics.layer0.Layer0;
  19
  20 public class StandardResourceVariableSpaceManipulator implements VariableSpaceManipulator {
  21
  22         final Variable target;
  23
  24         public StandardResourceVariableSpaceManipulator(Variable target) {
  25                 this.target = target;
  26         }
  27
  28         public Variable createVariable(WriteGraph graph, String rvi) throws DatabaseException {
  29                 return null;
  30         }
  31
  32         public Variable createProperty(WriteGraph graph, String name) throws DatabaseException {
  33                 if("HasDescription".equals(name)) {
  34                         Layer0 l0 = Layer0.getInstance(graph);
  35                         Resource targetResource = target.getInterface(graph, Resource.class);
  36                         graph.claimLiteral(targetResource, l0.HasDescription, "", Bindings.STRING);
  37                         return target.getProperty(graph, "HasDescription");
  38                 }
  39                 return null;
  40         }
  41
  42         public Variable createChild(WriteGraph graph, String name, Object content) throws DatabaseException {
  43                 return null;
  44         }
  45
  46         @Override
  47         public void apply(WriteGraph graph, Modification modification)
  48                         throws DatabaseException {
  49                 for(PropertyCreationData data : modification.newProperties) {
  50                         createProperty(graph, data.name);
  51                 }
  52         }
  53
  54 }