1 /*******************************************************************************
2 * Copyright (c) 2007, 2010 Association for Decentralized Information Management
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
10 * VTT Technical Research Centre of Finland - initial API and implementation
11 *******************************************************************************/
12 package org.simantics.db.layer0.adapter.impl;
14 import org.simantics.db.Resource;
15 import org.simantics.db.WriteGraph;
16 import org.simantics.db.common.utils.NameUtils;
17 import org.simantics.db.exception.DatabaseException;
18 import org.simantics.db.layer0.internal.SimanticsInternal;
19 import org.simantics.db.layer0.util.Layer0Utils;
20 import org.simantics.layer0.Layer0;
23 * @author Antti Villberg
25 public class TrashBinRemover extends AbstractRemover {
27 public TrashBinRemover(Resource resource) {
32 public void remove(final WriteGraph graph) throws DatabaseException {
34 Layer0 L0 = Layer0.getInstance(graph);
36 Resource project = SimanticsInternal.getProject();
37 Resource parent = graph.getSingleObject(project, L0.PartOf);
38 Resource trashBin = Layer0Utils.getPossibleChild(graph, parent, "TrashBin");
39 if(trashBin == null) throw new DatabaseException("TrashBin resource could not be located.");
41 String oldName = graph.getPossibleRelatedValue2(resource, L0.HasName);
42 if (oldName != null) {
43 String newName = NameUtils.findFreshName(graph, oldName, trashBin);
44 graph.claimLiteral(resource, L0.HasName, newName);
46 graph.deny(resource, L0.PartOf);
47 graph.claim(trashBin, L0.ConsistsOf, L0.PartOf, resource);