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.modeling.ui.modelBrowser.model;
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14 import org.eclipse.jface.resource.ImageDescriptor;
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15 import org.simantics.browsing.ui.common.node.IModifiable;
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16 import org.simantics.browsing.ui.content.Labeler.Modifier;
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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.Session;
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20 import org.simantics.db.Statement;
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21 import org.simantics.db.WriteGraph;
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22 import org.simantics.db.common.primitiverequest.RelatedValueImplied;
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23 import org.simantics.db.common.request.WriteRequest;
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24 import org.simantics.db.common.utils.NameUtils;
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25 import org.simantics.db.exception.DatabaseException;
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26 import org.simantics.layer0.Layer0;
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27 import org.simantics.modeling.ModelingResources;
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28 import org.simantics.modeling.ui.Activator;
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29 import org.simantics.structural.stubs.StructuralResource2;
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32 public class Parameter extends Node implements IModifiable {
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36 Resource connectionType;
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37 Resource connectionDirection;
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40 public Resource getTerminalRelation(ReadGraph graph, Resource relation) throws DatabaseException {
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41 StructuralResource2 sr = StructuralResource2.getInstance(graph);
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42 for(Resource bound : graph.getObjects(relation, sr.IsBoundBy)) {
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43 if(graph.isInstanceOf(bound, sr.Connection)) {
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44 for(Statement terminalInverse : graph.getStatements(bound, sr.IsConnectedTo)) {
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45 if(graph.isInstanceOf(terminalInverse.getObject(), sr.Component)) {
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46 return graph.getInverse(terminalInverse.getPredicate());
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54 public Resource getConnectionType(ReadGraph graph, Resource connectionPoint) throws DatabaseException {
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55 StructuralResource2 sr = StructuralResource2.getInstance(graph);
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56 ModelingResources mr = ModelingResources.getInstance(graph);
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57 for(Resource bound : graph.getObjects(relation, sr.IsBoundBy)) {
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58 if(graph.isInstanceOf(bound, sr.Connection)) {
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59 Resource diagramConn = graph.getPossibleObject(bound, mr.ConnectionToDiagramConnection);
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60 if(diagramConn != null) {
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61 return graph.getPossibleObject(diagramConn, sr.HasConnectionType);
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68 public Parameter(ReadGraph g, Resource resource, Resource instance, boolean isLeaf) throws DatabaseException {
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70 this.instance = instance;
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71 StructuralResource2 sr = StructuralResource2.getInstance(g);
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72 this.relation = g.getSingleObject(resource, sr.Binds);
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73 // this.connectionType = g.getPossibleObject(resource, sr.HasConnectionType);
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74 this.connectionDirection = g.getPossibleObject(resource, sr.HasConnectionDirection);
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75 this.isLeaf = isLeaf;
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76 this.connectionType = getConnectionType(g, relation);
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80 public String getLabel(ReadGraph g) throws DatabaseException {
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81 Layer0 b = Layer0.getInstance(g);
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82 String name = g.getPossibleRelatedValue(relation, b.HasName);
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84 return "Unnamed parameter";
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85 if(connectionType != null) {
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86 name = name + " : " + NameUtils.getSafeName(g, connectionType);
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87 if(connectionDirection != null) {
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88 StructuralResource2 sr = StructuralResource2.getInstance(g);
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89 name = name + ", " +
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90 (sr.InputDirection.equals(connectionDirection) ? "in" :
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91 sr.OutputDirection.equals(connectionDirection) ? "out" :
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92 NameUtils.getSafeName(g, connectionDirection));
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99 public ImageDescriptor getImage(ReadGraph g) throws DatabaseException {
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100 /*StructuralResource2 sr = StructuralResource2.getInstance(g);
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101 if (g.isInstanceOf(resource, sr.LiteralVariable))
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102 return Activator.VARIABLE_ICON;*/
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103 return Activator.OPEN_CONNECTION_ICON;
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107 public boolean equals(Object obj) {
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112 if(!getClass().equals(obj.getClass()))
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114 Parameter other = (Parameter)obj;
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115 return resource.equals(other.resource)
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116 && relation.equals(other.relation)
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117 && (instance == null ? other.instance==null : instance.equals(other.instance))
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118 && isLeaf == other.isLeaf
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119 && (connectionType == null ? other.connectionType == null : connectionType.equals(other.connectionType));
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123 public int hashCode() {
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124 return ((getClass().hashCode()*31 + relation.hashCode()) * 31 +
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125 (instance == null ? 0 : instance.hashCode()))*31 + resource.hashCode();
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129 public Modifier getModifier(final Session session, String columnId) {
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130 return new Modifier() {
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133 public String getValue() {
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135 Layer0 b = Layer0.getInstance(session);
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136 return session.syncRequest(new RelatedValueImplied<String>(relation, b.HasName));
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137 } catch (DatabaseException e) {
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138 e.printStackTrace();
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144 public String isValid(String label) {
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149 public void modify(final String label) {
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150 session.asyncRequest(new WriteRequest() {
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152 public void perform(WriteGraph graph) throws DatabaseException {
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153 Layer0 b = Layer0.getInstance(graph);
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154 graph.claimLiteral(relation, b.HasName, label);
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