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.diagram.synchronization.graph;
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14 import java.util.Arrays;
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16 import org.simantics.databoard.binding.Binding;
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17 import org.simantics.db.Resource;
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18 import org.simantics.db.WriteGraph;
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19 import org.simantics.db.common.CommentMetadata;
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20 import org.simantics.db.common.utils.NameUtils;
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21 import org.simantics.db.exception.DatabaseException;
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22 import org.simantics.diagram.synchronization.ModificationAdapter;
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25 * @author Tuukka Lehtonen
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27 public class PropertyModification extends ModificationAdapter {
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28 private final Resource owner;
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29 private final Resource relation;
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30 private final Resource type;
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31 private final Object value;
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32 private final Binding binding;
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34 public PropertyModification(Resource propertyOwner, Resource propertyRelation, Resource propertyType, Object value, Binding binding) {
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35 super(LOW_PRIORITY);
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36 this.owner = propertyOwner;
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37 this.relation = propertyRelation;
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38 this.type = propertyType;
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40 this.binding = binding;
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43 private final boolean arrayEquals(Object av1, Object av2) {
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46 Class<?> c1 = av1.getClass().getComponentType();
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47 Class<?> c2 = av2.getClass().getComponentType();
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48 if (c2 == null || !c1.equals(c2))
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50 boolean p1 = c1.isPrimitive();
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51 boolean p2 = c2.isPrimitive();
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55 return Arrays.equals((Object[]) av1, (Object[]) av2);
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56 if (boolean.class.equals(c1))
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57 return Arrays.equals((boolean[]) av1, (boolean[]) av2);
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58 else if (byte.class.equals(c1))
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59 return Arrays.equals((byte[]) av1, (byte[]) av2);
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60 else if (int.class.equals(c1))
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61 return Arrays.equals((int[]) av1, (int[]) av2);
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62 else if (long.class.equals(c1))
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63 return Arrays.equals((long[]) av1, (long[]) av2);
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64 else if (float.class.equals(c1))
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65 return Arrays.equals((float[]) av1, (float[]) av2);
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66 else if (double.class.equals(c1))
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67 return Arrays.equals((double[]) av1, (double[]) av2);
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68 throw new RuntimeException("??? Contact application querySupport.");
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71 private boolean sameValue(Object oldValue, Object newValue) {
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72 if (newValue.getClass().isArray()) {
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73 return arrayEquals(newValue, oldValue);
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75 return newValue.equals(oldValue);
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80 public void perform(WriteGraph g) throws DatabaseException {
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82 Object existing = g.getPossibleRelatedValue(owner, relation, binding);
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83 if(!sameValue(existing, value)) {
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85 DiagramGraphUtil.setRelatedValue(g, owner, relation, type, value, binding);
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86 // Add comment to change set.
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87 CommentMetadata cm = g.getMetadata(CommentMetadata.class);
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88 g.addMetadata(cm.add("Changed property " + NameUtils.getSafeName(g, relation)));
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