1 /*******************************************************************************
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2 * Copyright (c) 2007, 2013 Association for Decentralized Information Management
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3 * in Industry THTH ry.
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4 * All rights reserved. This program and the accompanying materials
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5 * are made available under the terms of the Eclipse Public License v1.0
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6 * which accompanies this distribution, and is available at
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7 * http://www.eclipse.org/legal/epl-v10.html
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10 * VTT Technical Research Centre of Finland - initial API and implementation
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11 *******************************************************************************/
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12 package org.simantics.objmap.graph.rules.domain;
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14 import java.util.Collection;
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16 import org.apache.log4j.Logger;
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17 import org.simantics.db.ReadGraph;
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18 import org.simantics.db.Resource;
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19 import org.simantics.db.WriteGraph;
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20 import org.simantics.db.common.utils.OrderedSetUtils;
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21 import org.simantics.db.exception.DatabaseException;
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22 import org.simantics.objmap.exceptions.MappingException;
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25 * Accesses the set of objects attached to the element by the given relation.
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26 * @author Hannu Niemistö
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28 public class RelatedOrderedSetElementsAccessor implements IDomainAccessor<Resource, Collection<Resource>> {
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30 static Logger LOGGER = Logger.getLogger("org.simantics.objmap");
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32 boolean deleteExtraObjects;
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34 public RelatedOrderedSetElementsAccessor(boolean deleteExtraObjects) {
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36 this.deleteExtraObjects = deleteExtraObjects;
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40 public Collection<Resource> get(ReadGraph g, Resource element) throws MappingException {
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42 LOGGER.info(" RelatedOrderedSetElementsAccessor.get");
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43 return OrderedSetUtils.toList(g, element);
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44 } catch (DatabaseException e) {
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45 throw new MappingException(e);
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50 public boolean set(WriteGraph g, Resource element, Collection<Resource> value)
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51 throws MappingException {
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53 LOGGER.info(" RelatedOrderedSetElementsAccessor.set");
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54 return OrderedSetUtils.set(g, element, value);
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55 // FIXME Implement deleteExtraObjects
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56 } catch (DatabaseException e) {
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57 throw new MappingException(e);
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