1 /*******************************************************************************
2 * Copyright (c) 2007, 2013 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.objmap.graph.rules.domain;
14 import java.util.Collection;
16 import org.apache.log4j.Logger;
17 import org.simantics.db.ReadGraph;
18 import org.simantics.db.Resource;
19 import org.simantics.db.WriteGraph;
20 import org.simantics.db.common.utils.OrderedSetUtils;
21 import org.simantics.db.exception.DatabaseException;
22 import org.simantics.objmap.exceptions.MappingException;
25 * Accesses the set of objects attached to the element by the given relation.
26 * @author Hannu Niemistö
28 public class RelatedOrderedSetElementsAccessor implements IDomainAccessor<Resource, Collection<Resource>> {
30 static Logger LOGGER = Logger.getLogger("org.simantics.objmap");
32 boolean deleteExtraObjects;
34 public RelatedOrderedSetElementsAccessor(boolean deleteExtraObjects) {
36 this.deleteExtraObjects = deleteExtraObjects;
40 public Collection<Resource> get(ReadGraph g, Resource element) throws MappingException {
42 LOGGER.info(" RelatedOrderedSetElementsAccessor.get");
43 return OrderedSetUtils.toList(g, element);
44 } catch (DatabaseException e) {
45 throw new MappingException(e);
50 public boolean set(WriteGraph g, Resource element, Collection<Resource> value)
51 throws MappingException {
53 LOGGER.info(" RelatedOrderedSetElementsAccessor.set");
54 return OrderedSetUtils.set(g, element, value);
55 // FIXME Implement deleteExtraObjects
56 } catch (DatabaseException e) {
57 throw new MappingException(e);