1 /*******************************************************************************
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2 * Copyright (c) 2012 Association for Decentralized Information Management in
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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.flags;
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14 import java.util.ArrayList;
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15 import java.util.Collection;
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16 import java.util.Iterator;
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18 import org.simantics.db.ReadGraph;
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19 import org.simantics.db.Resource;
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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.request.IndexRoot;
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23 import org.simantics.db.common.utils.OrderedSetUtils;
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24 import org.simantics.db.exception.DatabaseException;
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25 import org.simantics.diagram.stubs.DiagramResource;
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26 import org.simantics.diagram.stubs.G2DResource;
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27 import org.simantics.diagram.synchronization.graph.AddElement;
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28 import org.simantics.diagram.synchronization.graph.CopyAdvisorUtil;
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29 import org.simantics.g2d.elementclass.FlagClass;
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30 import org.simantics.layer0.Layer0;
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31 import org.simantics.modeling.ModelingResources;
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32 import org.simantics.scl.commands.Commands;
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33 import org.simantics.structural.stubs.StructuralResource2;
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36 * @author Hannu Niemistö
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38 public class ExpandFlags {
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40 static class Connector {
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44 public Connector(Resource element, Resource terminal) {
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45 this.element = element;
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46 this.terminal = terminal;
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50 private static ArrayList<Connector> getConnectors(ReadGraph g, Resource connection) throws DatabaseException {
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51 StructuralResource2 STR = StructuralResource2.getInstance(g);
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53 ArrayList<Connector> result = new ArrayList<Connector>();
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54 for(Resource connector : g.getObjects(connection, STR.IsConnectedTo)) {
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55 for(Statement stat : g.getStatements(connector, STR.Connects))
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56 if(!connection.equals(stat.getObject())) {
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57 result.add(new Connector(stat.getObject(), g.getInverse(stat.getPredicate())));
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63 public static Resource[] expandFlag(WriteGraph graph, Resource flag) throws DatabaseException {
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64 return (Resource[])Commands.get(graph, "Simantics/Flag/expandFlag")
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65 .execute(graph, graph.syncRequest(new IndexRoot(flag)), flag);
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71 * @return the flags that result from the expansion operation
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72 * @throws DatabaseException
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74 public static Resource[] expandFlagWithoutMetadata(WriteGraph graph, Resource flag) throws DatabaseException {
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75 DiagramResource DIA = DiagramResource.getInstance(graph);
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76 G2DResource G2D = G2DResource.getInstance(graph);
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77 StructuralResource2 STR = StructuralResource2.getInstance(graph);
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78 Layer0 L0 = Layer0.getInstance(graph);
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79 ModelingResources MOD = ModelingResources.getInstance(graph);
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81 // Find joins and check if this is multiflag
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82 Collection<Resource> joins_ = graph.getObjects(flag, DIA.FlagIsJoinedBy);
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83 if(joins_.size() <= 1)
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84 return Resource.NONE; // Nothing to do
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86 // Analyze expanded flag
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87 Resource diagram = OrderedSetUtils.getSubjects(graph, flag).iterator().next();
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88 Resource flagType = graph.getSingleObject(flag, DIA.HasFlagType);
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89 double[] transform = graph.getRelatedValue(flag, DIA.HasTransform);
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90 Resource connector = graph.getSingleObject(flag, DIA.Flag_ConnectionPoint);
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91 Statement connectsStatement = null;
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92 for(Statement temp : graph.getStatements(connector, STR.Connects))
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93 if(!flag.equals(temp.getObject())) {
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94 connectsStatement = temp;
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98 if(connectsStatement == null)
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99 return Resource.NONE;
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100 Resource arrowType = connectsStatement.getPredicate();
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101 Resource diagramConnection = connectsStatement.getObject();
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102 Resource connection = graph.getSingleObject(diagramConnection, MOD.DiagramConnectionToConnection);
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104 ArrayList<Connector> connectors = getConnectors(graph, diagramConnection);
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105 if(connectors.size()==2) {
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106 Iterator<Connector> it = connectors.iterator();
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107 while(it.hasNext()) {
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108 if(it.next().element.equals(flag))
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112 Resource diagramRelation = connectors.size()!=1 ? null :
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113 connectors.get(0).terminal;
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114 Resource connectionPoint = diagramRelation == null ? null :
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115 graph.getPossibleObject(diagramRelation, MOD.DiagramConnectionRelationToConnectionRelation);
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116 Resource element=connectors.size()==1 ? connectors.get(0).element : null,
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117 component=null, connectionType=null;
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118 Resource routeLine = null;
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119 if(connectionPoint != null &&
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120 !graph.isInstanceOf(connectionPoint, L0.FunctionalRelation)) {
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121 component = graph.getSingleObject(element, MOD.ElementToComponent);
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122 connectionType = graph.getSingleObject(diagramConnection, STR.HasConnectionType);
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124 else if(element != null && graph.isInstanceOf(element, MOD.ReferenceElement)) {
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125 component = graph.getSingleObject(element, MOD.HasParentComponent);
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126 connectionPoint = graph.getSingleObject(element, MOD.HasReferenceRelation);
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127 connectionType = graph.getSingleObject(diagramConnection, STR.HasConnectionType);
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130 routeLine = graph.getSingleObject(connector, DIA.AreConnected);
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132 if(!graph.isInstanceOf(routeLine, DIA.RouteLine)) {
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133 Resource otherConnector = routeLine;
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134 routeLine = graph.newResource();
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135 graph.deny(connector, DIA.AreConnected, otherConnector);
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136 graph.claim(routeLine, L0.InstanceOf, DIA.RouteLine);
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137 graph.claim(diagramConnection, DIA.HasInteriorRouteNode, routeLine);
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138 graph.claimLiteral(routeLine, DIA.HasPosition, transform[4]-FlagClass.DEFAULT_WIDTH*0.5);
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139 graph.claimLiteral(routeLine, DIA.IsHorizontal, false);
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140 graph.claim(routeLine, DIA.AreConnected, connector);
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141 graph.claim(routeLine, DIA.AreConnected, otherConnector);
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145 Resource[] joins = joins_.toArray(new Resource[joins_.size()]);
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146 Resource[] flags = new Resource[joins.length];
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148 final double flagSeparation = FlagClass.DEFAULT_HEIGHT;
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151 for(int i=1;i<flags.length;++i) {
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152 Resource newFlag = graph.newResource();
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153 flags[i] = newFlag;
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154 graph.claim(newFlag, L0.InstanceOf, DIA.Flag);
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155 graph.claim(newFlag, DIA.HasFlagType, flagType);
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156 OrderedSetUtils.add(graph, diagram, newFlag);
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157 graph.claim(diagram, L0.ConsistsOf, newFlag);
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158 graph.deny(flag, DIA.FlagIsJoinedBy, joins[i]);
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159 for(Resource otherFlag : graph.getObjects(joins[i], DIA.JoinsFlag)) {
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160 for(Statement label : graph.getStatements(otherFlag, L0.HasLabel)) {
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161 if (!label.isAsserted(otherFlag)) {
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162 Resource literalCopy = CopyAdvisorUtil.copy(graph, label.getObject(), null);
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163 graph.claim(newFlag, label.getPredicate(), literalCopy);
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167 graph.claim(newFlag, DIA.FlagIsJoinedBy, joins[i]);
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169 // URI: Make new flag a part of the diagram and give it a fresh name
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170 graph.claim(diagram, L0.ConsistsOf, newFlag);
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171 AddElement.claimFreshElementName(graph, diagram, newFlag);
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173 double[] newTransform = new double[] {
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174 transform[0], transform[1], transform[2], transform[3],
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175 transform[4] + i*flagSeparation*transform[2],
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176 transform[5] + i*flagSeparation*transform[3]
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178 graph.claimLiteral(newFlag, DIA.HasTransform, G2D.Transform, newTransform);
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180 // TODO: Handle branching and non-branching connections differently
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182 if(routeLine == null) {
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183 Resource newConnector1 = graph.newResource();
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184 Resource newDiagramConnection = graph.newResource();
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185 Resource newConnector2 = graph.newResource();
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186 Resource newConnection = graph.newResource();
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188 graph.claim(newConnector1, L0.InstanceOf, DIA.Connector);
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189 graph.claim(newDiagramConnection, L0.InstanceOf, DIA.RouteGraphConnection);
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190 graph.claim(newDiagramConnection, STR.HasConnectionType, connectionType);
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191 graph.claim(newConnector2, L0.InstanceOf, DIA.Connector);
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192 graph.claim(newConnection, L0.InstanceOf, STR.Connection);
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194 Resource arrow = graph.getInverse(arrowType);
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195 Resource otherArrow = arrow.equals(DIA.HasPlainConnector) ?
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196 DIA.HasArrowConnector : DIA.HasPlainConnector;
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198 graph.claim(element, diagramRelation, newConnector1);
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199 graph.claim(newDiagramConnection, otherArrow, newConnector1);
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200 graph.claim(newDiagramConnection, arrow, newConnector2);
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201 graph.claim(newConnector1, DIA.AreConnected, newConnector2);
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202 graph.claim(newFlag, DIA.Flag_ConnectionPoint, newConnector2);
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204 graph.claim(component, connectionPoint, newConnection);
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205 graph.deny(joins[i], STR.Joins, connection);
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206 graph.claim(joins[i], STR.Joins, newConnection);
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208 graph.claim(newDiagramConnection, MOD.DiagramConnectionToConnection, newConnection);
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209 graph.claim(newConnection, MOD.Mapped, newConnection);
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211 AddElement.claimFreshElementName(graph, diagram, newDiagramConnection);
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213 OrderedSetUtils.addFirst(graph, diagram, newDiagramConnection);
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214 graph.claim(diagram, L0.ConsistsOf, newDiagramConnection);
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217 Resource newConnector = graph.newResource();
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218 graph.claim(newConnector, L0.InstanceOf, DIA.Connector);
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219 graph.claim(newFlag, DIA.Flag_ConnectionPoint, newConnector);
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220 graph.claim(newConnector, arrowType, diagramConnection);
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221 graph.claim(newConnector, DIA.AreConnected, routeLine);
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228 public static void collectGroupedFlags(ReadGraph graph, Resource composite, ArrayList<Resource> groups) throws DatabaseException {
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229 DiagramResource DIA = DiagramResource.getInstance(graph);
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230 ModelingResources MOD = ModelingResources.getInstance(graph);
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231 Layer0 L0 = Layer0.getInstance(graph);
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233 Resource diagram = graph.getPossibleObject(composite, MOD.CompositeToDiagram);
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234 if(diagram == null)
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237 for(Resource element : graph.getObjects(diagram, L0.ConsistsOf))
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238 if(graph.isInstanceOf(element, DIA.Flag)) {
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239 Collection<Resource> objects = (Collection<Resource>) graph.getObjects(element, DIA.FlagIsJoinedBy);
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240 if (objects.size() > 1) {
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241 groups.add(element);
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