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