bundles/org.simantics.modeling/src/org/simantics/modeling/typicals/SyncTypicalTemplatesToInstances.java

   1 /*******************************************************************************\r
   2  * Copyright (c) 2007, 2012 Association for Decentralized Information Management in\r
   3  * Industry THTH ry.\r
   4  * All rights reserved. This program and the accompanying materials\r
   5  * are made available under the terms of the Eclipse Public License v1.0\r
   6  * which accompanies this distribution, and is available at\r
   7  * http://www.eclipse.org/legal/epl-v10.html\r
   8  *\r
   9  * Contributors:\r
  10  *     VTT Technical Research Centre of Finland - initial API and implementation\r
  11  *******************************************************************************/\r
  12 package org.simantics.modeling.typicals;\r
  13 \r
  14 import java.awt.geom.Point2D;\r
  15 import java.util.ArrayList;\r
  16 import java.util.Collection;\r
  17 import java.util.Collections;\r
  18 import java.util.Date;\r
  19 import java.util.HashMap;\r
  20 import java.util.HashSet;\r
  21 import java.util.Iterator;\r
  22 import java.util.List;\r
  23 import java.util.Map;\r
  24 import java.util.Set;\r
  25 \r
  26 import org.eclipse.core.runtime.IProgressMonitor;\r
  27 import org.simantics.Logger;\r
  28 import org.simantics.Simantics;\r
  29 import org.simantics.databoard.Bindings;\r
  30 import org.simantics.db.ReadGraph;\r
  31 import org.simantics.db.Resource;\r
  32 import org.simantics.db.Statement;\r
  33 import org.simantics.db.WriteGraph;\r
  34 import org.simantics.db.common.CommentMetadata;\r
  35 import org.simantics.db.common.NamedResource;\r
  36 import org.simantics.db.common.primitiverequest.Adapter;\r
  37 import org.simantics.db.common.procedure.adapter.TransientCacheListener;\r
  38 import org.simantics.db.common.request.ObjectsWithType;\r
  39 import org.simantics.db.common.request.PossibleIndexRoot;\r
  40 import org.simantics.db.common.request.WriteRequest;\r
  41 import org.simantics.db.common.uri.UnescapedChildMapOfResource;\r
  42 import org.simantics.db.common.utils.CommonDBUtils;\r
  43 import org.simantics.db.common.utils.NameUtils;\r
  44 import org.simantics.db.exception.DatabaseException;\r
  45 import org.simantics.db.layer0.adapter.Instances;\r
  46 import org.simantics.db.layer0.request.ActiveModels;\r
  47 import org.simantics.db.layer0.util.RemoverUtil;\r
  48 import org.simantics.diagram.content.ConnectionUtil;\r
  49 import org.simantics.diagram.handler.CopyPasteStrategy;\r
  50 import org.simantics.diagram.handler.ElementObjectAssortment;\r
  51 import org.simantics.diagram.handler.PasteOperation;\r
  52 import org.simantics.diagram.handler.Paster;\r
  53 import org.simantics.diagram.stubs.DiagramResource;\r
  54 import org.simantics.diagram.synchronization.CollectingModificationQueue;\r
  55 import org.simantics.diagram.synchronization.CopyAdvisor;\r
  56 import org.simantics.diagram.synchronization.SynchronizationHints;\r
  57 import org.simantics.diagram.synchronization.graph.GraphSynchronizationContext;\r
  58 import org.simantics.diagram.ui.DiagramModelHints;\r
  59 import org.simantics.document.DocumentResource;\r
  60 import org.simantics.g2d.canvas.ICanvasContext;\r
  61 import org.simantics.g2d.diagram.DiagramClass;\r
  62 import org.simantics.g2d.diagram.IDiagram;\r
  63 import org.simantics.g2d.diagram.impl.Diagram;\r
  64 import org.simantics.layer0.Layer0;\r
  65 import org.simantics.modeling.ModelingResources;\r
  66 import org.simantics.modeling.ModelingUtils;\r
  67 import org.simantics.modeling.mapping.ModelingSynchronizationHints;\r
  68 import org.simantics.modeling.typicals.rules.AuxKeys;\r
  69 import org.simantics.modeling.typicals.rules.FlagRule;\r
  70 import org.simantics.modeling.typicals.rules.InstanceOfRule;\r
  71 import org.simantics.modeling.typicals.rules.LabelRule;\r
  72 import org.simantics.modeling.typicals.rules.MonitorRule;\r
  73 import org.simantics.modeling.typicals.rules.NameRule;\r
  74 import org.simantics.modeling.typicals.rules.ProfileMonitorRule;\r
  75 import org.simantics.modeling.typicals.rules.SVGElementRule;\r
  76 import org.simantics.modeling.typicals.rules.TransformRule;\r
  77 import org.simantics.scenegraph.g2d.events.command.Commands;\r
  78 import org.simantics.scl.runtime.function.Function4;\r
  79 import org.simantics.structural.stubs.StructuralResource2;\r
  80 import org.simantics.utils.datastructures.MapSet;\r
  81 import org.simantics.utils.strings.AlphanumComparator;\r
  82 import org.simantics.utils.strings.EString;\r
  83 import org.simantics.utils.ui.ErrorLogger;\r
  84 \r
  85 import gnu.trove.map.hash.THashMap;\r
  86 import gnu.trove.set.hash.THashSet;\r
  87 \r
  88 /**\r
  89  * A write request that synchronizes typical master templates and their\r
  90  * instances as specified.\r
  91  * \r
  92  * <p>\r
  93  * Use {@link #SyncTypicalTemplatesToInstances(Resource[], MapSet)} to\r
  94  * synchronize all instances of specified templates. Use\r
  95  * {@link #syncSingleInstance(Resource)} to synchronize a single typical\r
  96  * instance with its master template.\r
  97  * \r
  98  * @author Tuukka Lehtonen\r
  99  * \r
 100  * @see ReadTypicalInfo\r
 101  * @see TypicalInfo\r
 102  * @see TypicalSynchronizationMetadata\r
 103  */\r
 104 public class SyncTypicalTemplatesToInstances extends WriteRequest {\r
 105 \r
 106     /**\r
 107      * A constant used as the second argument to\r
 108      * {@link #SyncTemplates(Resource[], MapSet)} for stating that all specified\r
 109      * templates should be fully synchronized to their instances.\r
 110      * \r
 111      * This is useful for forcing complete synchronization and unit testing. \r
 112      */\r
 113     public static final EmptyMapSet ALL = EmptyMapSet.INSTANCE;\r
 114 \r
 115     public static class EmptyMapSet extends MapSet<Resource, Resource> {\r
 116 \r
 117         public static final EmptyMapSet INSTANCE = new EmptyMapSet();\r
 118 \r
 119         public EmptyMapSet() {\r
 120             this.sets = Collections.emptyMap();\r
 121         }\r
 122 \r
 123         @Override\r
 124         protected Set<Resource> getOrCreateSet(Resource key) {\r
 125             throw new UnsupportedOperationException("immutable constant instance");\r
 126         }\r
 127 \r
 128     };\r
 129 \r
 130     protected static final boolean           DEBUG = false;\r
 131 \r
 132     // Input\r
 133 \r
 134     final private IProgressMonitor monitor;\r
 135     /**\r
 136      * Typical diagram rules to apply\r
 137      */\r
 138     protected Set<Resource>                                     selectedRules;\r
 139     \r
 140     /**\r
 141      * Typical diagram templates to synchronize with their instances.\r
 142      */\r
 143     protected Resource[]                     templates;\r
 144 \r
 145     /**\r
 146      * Typical diagram instances to synchronize with their templates.\r
 147      */\r
 148     protected Resource[]                     instances;\r
 149 \r
 150     /**\r
 151      * For each template diagram in {@link #templates}, shall contain a set of\r
 152      * elements that have changed and should be synchronized into the instance\r
 153      * diagrams. Provided as an argument by the client. Allows optimizing\r
 154      * real-time synchronization by not processing everything all the time.\r
 155      * \r
 156      * If the value is {@link #ALL}, all elements of the template shall be fully\r
 157      * synchronized.\r
 158      */\r
 159     protected MapSet<Resource, Resource>     changedElementsByDiagram;\r
 160 \r
 161     // Temporary data\r
 162 \r
 163     protected Layer0                         L0;\r
 164     protected StructuralResource2            STR;\r
 165     protected DiagramResource                DIA;\r
 166     protected ModelingResources              MOD;\r
 167 \r
 168     /**\r
 169      * Needed for using {@link Paster} in\r
 170      * {@link #addMissingElements(WriteGraph, TypicalInfo, Resource, Resource, Set)}\r
 171      */\r
 172     protected GraphSynchronizationContext    syncCtx;\r
 173 \r
 174     /**\r
 175      * For collecting commit metadata during the processing of this request.\r
 176      */\r
 177     protected TypicalSynchronizationMetadata metadata;\r
 178 \r
 179     /**\r
 180      * Necessary for using {@link CopyPasteStrategy} and {@link PasteOperation}\r
 181      * for now. Will be removed in the future once IDiagram is removed from\r
 182      * PasteOperation.\r
 183      */\r
 184     protected IDiagram                       temporaryDiagram;\r
 185 \r
 186     protected ConnectionUtil                 cu;\r
 187 \r
 188     /**\r
 189      * Maps source -> target connection route nodes, i.e. connectors and\r
 190      * interior route nodes (route lines). Inverse mapping of {@link #t2s}.\r
 191      */\r
 192     protected Map<Resource, Resource>        s2t;\r
 193 \r
 194     /**\r
 195      * Maps target -> source connection route nodes, i.e. connectors and\r
 196      * interior route nodes (route lines). Inverse mapping of {@link #s2t}.\r
 197      */\r
 198     protected Map<Resource, Resource>        t2s;\r
 199 \r
 200     /**\r
 201      * An auxiliary resource map for extracting the correspondences between\r
 202      * originals and copied resource when diagram contents are copied from\r
 203      * template to instance.\r
 204      */\r
 205     protected Map<Object, Object>            copyMap;\r
 206 \r
 207     final private Map<Resource, List<String>> messageLogs = new HashMap<Resource, List<String>>();\r
 208     \r
 209     public List<Resource> logs = new ArrayList<Resource>();\r
 210 \r
 211         private boolean writeLog;\r
 212 \r
 213     /**\r
 214      * For SCL API.\r
 215      * \r
 216      * @param graph\r
 217      * @param selectedRules\r
 218      * @param templates\r
 219      * @param instances\r
 220      * @throws DatabaseException\r
 221      */\r
 222     public static void syncTypicals(WriteGraph graph, boolean log, List<Resource> templates, List<Resource> instances) throws DatabaseException {\r
 223         graph.syncRequest(\r
 224                 new SyncTypicalTemplatesToInstances(\r
 225                         null,\r
 226                         templates.toArray(Resource.NONE),\r
 227                         instances.toArray(Resource.NONE),\r
 228                         ALL,\r
 229                         null)\r
 230                 .logging(log));\r
 231     }\r
 232 \r
 233     /**\r
 234      * @param templates typical diagram templates to completely synchronize with\r
 235      *        their instances\r
 236      */\r
 237     public SyncTypicalTemplatesToInstances(Set<Resource> selectedRules, Resource... templates) {\r
 238         this(selectedRules, templates, null, ALL, null);\r
 239     }\r
 240 \r
 241     /**\r
 242      * @param templates typical diagram templates to partially synchronize with\r
 243      *        their instances\r
 244      * @param changedElementsByDiagram see {@link #changedElementsByDiagram}\r
 245      */\r
 246     public SyncTypicalTemplatesToInstances(Set<Resource> selectedRules, Resource[] templates, MapSet<Resource, Resource> changedElementsByDiagram) {\r
 247         this(selectedRules, templates, null, changedElementsByDiagram, null);\r
 248     }\r
 249 \r
 250     /**\r
 251      * Return a write request that completely synchronizes the specified\r
 252      * instance diagram with its template.\r
 253      * \r
 254      * @param instance\r
 255      * @return\r
 256      */\r
 257     public static SyncTypicalTemplatesToInstances syncSingleInstance(Set<Resource> selectedRules, Resource instance) {\r
 258         return new SyncTypicalTemplatesToInstances(selectedRules, null, new Resource[] { instance }, ALL, null);\r
 259     }\r
 260 \r
 261     /**\r
 262      * @param templates typical diagram templates to synchronize with their instances\r
 263      * @param instances typical diagram instances to synchronize with their templates\r
 264      * @param changedElementsByDiagram see {@link #changedElementsByDiagram}\r
 265      */\r
 266     private SyncTypicalTemplatesToInstances(Set<Resource> selectedRules, Resource[] templates, Resource[] instances, MapSet<Resource, Resource> changedElementsByDiagram, IProgressMonitor monitor) {\r
 267         this.selectedRules = selectedRules;\r
 268         this.templates = templates;\r
 269         this.instances = instances;\r
 270         this.changedElementsByDiagram = changedElementsByDiagram;\r
 271         this.monitor = monitor;\r
 272     }\r
 273 \r
 274     public SyncTypicalTemplatesToInstances logging(boolean writeLog) {\r
 275         this.writeLog = writeLog;\r
 276         return this;\r
 277     }\r
 278 \r
 279     private Resource getDiagramNameResource(ReadGraph graph, Resource diagram) throws DatabaseException {\r
 280         Resource composite = graph.getPossibleObject(diagram, MOD.DiagramToComposite);\r
 281         if(composite != null) return composite;\r
 282         else return diagram;\r
 283     }\r
 284     \r
 285     private Resource getElementNameResource(ReadGraph graph, Resource element) throws DatabaseException {\r
 286         Resource corr = ModelingUtils.getPossibleElementCorrespondendence(graph, element);\r
 287         if(corr != null) return corr;\r
 288         else return element;\r
 289     }\r
 290     \r
 291     private List<String> getLog(ReadGraph graph, Resource diagram) throws DatabaseException {\r
 292         Resource indexRoot = graph.syncRequest(new PossibleIndexRoot(diagram));\r
 293         if(indexRoot == null) throw new DatabaseException("FATAL: Diagram is not under any index root.");\r
 294         List<String> log = messageLogs.get(indexRoot);\r
 295         if(log == null) {\r
 296                 log = new ArrayList<String>();\r
 297                 messageLogs.put(indexRoot, log);\r
 298         }\r
 299         return log;\r
 300     }\r
 301     \r
 302     private String elementName(ReadGraph graph, Resource element) throws DatabaseException {\r
 303         \r
 304         StringBuilder b = new StringBuilder();\r
 305         b.append(safeNameAndType(graph, element));\r
 306 \r
 307         int spaces = 60-b.length();\r
 308                 for(int i=0;i<spaces;i++) b.append(" ");\r
 309 \r
 310         Resource corr = ModelingUtils.getPossibleElementCorrespondendence(graph, element);\r
 311         if(corr != null) {\r
 312                 b.append(safeNameAndType(graph, corr));\r
 313         } else {\r
 314                 b.append("-");\r
 315         }\r
 316         \r
 317         return b.toString();\r
 318         \r
 319     }\r
 320 \r
 321     @Override\r
 322     public void perform(WriteGraph graph) throws DatabaseException {\r
 323         this.L0 = Layer0.getInstance(graph);\r
 324         this.STR = StructuralResource2.getInstance(graph);\r
 325         this.DIA = DiagramResource.getInstance(graph);\r
 326         this.MOD = ModelingResources.getInstance(graph);\r
 327 \r
 328         this.syncCtx = GraphSynchronizationContext.getWriteInstance( graph, new CollectingModificationQueue() );\r
 329         this.syncCtx.set(ModelingSynchronizationHints.MODELING_RESOURCE, ModelingResources.getInstance(graph));\r
 330 \r
 331         this.metadata = new TypicalSynchronizationMetadata();\r
 332         this.metadata.synchronizedTypicals = new ArrayList<Resource>();\r
 333 \r
 334         this.temporaryDiagram = Diagram.spawnNew(DiagramClass.DEFAULT);\r
 335         this.temporaryDiagram.setHint(SynchronizationHints.CONTEXT, syncCtx);\r
 336 \r
 337         this.cu = new ConnectionUtil(graph);\r
 338 \r
 339         if (templates != null) {\r
 340             // Look for typical template instances from the currently active models only.\r
 341             Collection<Resource> activeModels = graph.syncRequest(new ActiveModels(Simantics.getProjectResource()));\r
 342             if (!activeModels.isEmpty()) {\r
 343                 for (Resource template : templates) {\r
 344                     syncTemplate(graph, template, activeModels);\r
 345                 }\r
 346             }\r
 347         }\r
 348         if (instances != null) {\r
 349             for (Resource instance : instances) {\r
 350                 syncInstance(graph, instance);\r
 351             }\r
 352         }\r
 353 \r
 354         if (writeLog) {\r
 355             for(Map.Entry<Resource, List<String>> entry : messageLogs.entrySet()) {\r
 356 \r
 357                 Resource indexRoot = entry.getKey();\r
 358                 List<String> messageLog = entry.getValue();\r
 359 \r
 360                 Layer0 L0 = Layer0.getInstance(graph);\r
 361                 DocumentResource DOC = DocumentResource.getInstance(graph);\r
 362 \r
 363                 Collection<Resource> libs = graph.syncRequest(new ObjectsWithType(indexRoot, L0.ConsistsOf, DOC.DocumentLibrary));\r
 364                 if(libs.isEmpty()) continue;\r
 365 \r
 366                 List<NamedResource> nrs = new ArrayList<NamedResource>();\r
 367                 for(Resource lib : libs) nrs.add(new NamedResource(NameUtils.getSafeName(graph, lib), lib));\r
 368                 Collections.sort(nrs, AlphanumComparator.CASE_INSENSITIVE_COMPARATOR);\r
 369                 Resource library = nrs.iterator().next().getResource();\r
 370 \r
 371                 CommonDBUtils.selectClusterSet(graph, library);\r
 372 \r
 373                 String text = "--- Created: " + new Date().toString() + " ---\n";\r
 374                 text += EString.implode(messageLog);\r
 375 \r
 376                 Resource log = graph.newResource();\r
 377                 graph.claim(log, L0.InstanceOf, null, DOC.PlainTextDocument);\r
 378                 graph.claimLiteral(log, L0.HasName, L0.String, "Typical Sync " + new Date().toString());\r
 379                 graph.claim(library, L0.ConsistsOf, L0.PartOf, log);\r
 380                 graph.claimLiteral(log, DOC.PlainTextDocument_text, L0.String, text);\r
 381                 logs.add(log);\r
 382 \r
 383             }\r
 384         }\r
 385 \r
 386         if (!metadata.getTypicals().isEmpty()) {\r
 387             graph.addMetadata(metadata);\r
 388 \r
 389             // Add comment to change set.\r
 390             CommentMetadata cm = graph.getMetadata(CommentMetadata.class);\r
 391             graph.addMetadata( cm.add("Synchronized " + metadata.getTypicals().size() + " typical diagram instances (" + metadata.getTypicals() + ") with their templates.") );\r
 392         }\r
 393 \r
 394         temporaryDiagram = null;\r
 395         syncCtx = null;\r
 396     }\r
 397 \r
 398     private Collection<Resource> findInstances(ReadGraph graph, Resource ofType, Collection<Resource> indexRoots) throws DatabaseException {\r
 399         Instances index = graph.adapt(ofType, Instances.class);\r
 400         Set<Resource> instances = new HashSet<>();\r
 401         for (Resource indexRoot : indexRoots)\r
 402             instances.addAll( index.find(graph, indexRoot) );\r
 403         return instances;\r
 404     }\r
 405 \r
 406     private void syncTemplate(WriteGraph graph, Resource template, Collection<Resource> indexRoots) throws DatabaseException {\r
 407         Resource templateType = graph.getPossibleType(template, DIA.Diagram);\r
 408         if (templateType == null)\r
 409             return;\r
 410 \r
 411         Collection<Resource> instances = findInstances(graph, templateType, indexRoots);\r
 412         // Do not include the template itself as it is also an instance of templateType\r
 413         instances.remove(template);\r
 414         if (instances.isEmpty())\r
 415             return;\r
 416 \r
 417         Set<Resource> templateElements = new THashSet<Resource>( graph.syncRequest(\r
 418                 new ObjectsWithType(template, L0.ConsistsOf, DIA.Element) ) );\r
 419 \r
 420         try {\r
 421             for (Resource instance : instances) {\r
 422                 this.temporaryDiagram.setHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE, instance);\r
 423                 syncInstance(graph, template, instance, templateElements);\r
 424             }\r
 425         } catch (Exception e) {\r
 426                 Logger.defaultLogError(e);\r
 427                 e.printStackTrace();\r
 428         } finally {\r
 429             this.temporaryDiagram.removeHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE);\r
 430         }\r
 431     }\r
 432 \r
 433     private void syncInstance(WriteGraph graph, Resource instance) throws DatabaseException {\r
 434         Resource template = graph.getPossibleObject(instance, MOD.HasDiagramSource);\r
 435         if (template == null)\r
 436             return;\r
 437 \r
 438         Set<Resource> templateElements = new THashSet<Resource>( graph.syncRequest(\r
 439                 new ObjectsWithType(template, L0.ConsistsOf, DIA.Element) ) );\r
 440 \r
 441         try {\r
 442             this.temporaryDiagram.setHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE, instance);\r
 443             syncInstance(graph, template, instance, templateElements);\r
 444         } finally {\r
 445             this.temporaryDiagram.removeHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE);\r
 446         }\r
 447     }\r
 448     \r
 449     private Resource findInstanceCounterpart(ReadGraph graph, Resource instanceDiagram, Resource templateElement) throws DatabaseException {\r
 450         Map<String,Resource> children = graph.syncRequest(new UnescapedChildMapOfResource(instanceDiagram));\r
 451         for(Resource child : children.values()) {\r
 452                 if(graph.hasStatement(child, MOD.HasElementSource, templateElement)) return child;\r
 453         }\r
 454         return null;\r
 455     }\r
 456     \r
 457     private boolean isSynchronizedConnector(ReadGraph graph, Resource templateConnection, Resource instanceConnector) throws DatabaseException {\r
 458         DiagramResource DIA = DiagramResource.getInstance(graph);\r
 459         Resource instanceConnection = graph.getPossibleObject(instanceConnector, DIA.IsConnectorOf);\r
 460         return graph.hasStatement(instanceConnection, MOD.HasElementSource, templateConnection)\r
 461                         // If the master connection has been removed, this is all that's left\r
 462                         // to identify a connection that at least was originally synchronized\r
 463                         // from the typical master to this instance.\r
 464                         || graph.hasStatement(instanceConnection, MOD.IsTemplatized);\r
 465     }\r
 466 \r
 467     /**\r
 468      * Perform the following synchronization steps for the instance diagram:\r
 469      * <ol>\r
 470      * <li>remove such templatized elements from the instance diagram whose\r
 471      * template counterpart no longer exists</li>\r
 472      * <li>add elements to the instance diagram that are only in the template</li>\r
 473      * <li>synchronize elements of the instance diagram that have been deemed\r
 474      * changed</li>\r
 475      * </ol>\r
 476      * \r
 477      * @param graph database write access\r
 478      * @param template the synchronization source diagram\r
 479      * @param instance the synchronization target diagram\r
 480      * @param currentTemplateElements the set of all elements currently in the\r
 481      *        template diagram\r
 482      * @throws DatabaseException if anything goes wrong\r
 483      */\r
 484     private void syncInstance(WriteGraph graph, Resource template, Resource instance, Set<Resource> currentTemplateElements) throws DatabaseException {\r
 485 \r
 486         List<String> messageLog = getLog(graph, instance);\r
 487         \r
 488         messageLog.add("Synchronization of changed typical template: " + SyncTypicalTemplatesToInstances.safeNameAndType(graph, getDiagramNameResource(graph, template)));\r
 489         messageLog.add("----\n\ttypical instance: " + safeNameAndType(graph, getDiagramNameResource(graph, instance)));\r
 490 \r
 491         CommonDBUtils.selectClusterSet(graph, instance);\r
 492         \r
 493         // Form instance element <-> template element bijection\r
 494         TypicalInfoBean typicalInfoBean = graph.syncRequest(\r
 495                 new ReadTypicalInfo(instance),\r
 496                 TransientCacheListener.<TypicalInfoBean> instance());\r
 497         // Must be able to modify the typicalInfo structure,\r
 498         // therefore clone the query result.\r
 499         typicalInfoBean = (TypicalInfoBean) typicalInfoBean.clone();\r
 500         typicalInfoBean.templateElements = currentTemplateElements;\r
 501         typicalInfoBean.auxiliary = new HashMap<Object, Object>(1);\r
 502 \r
 503         TypicalInfo info = new TypicalInfo();\r
 504         info.monitor = monitor;\r
 505         info.messageLog = messageLog;\r
 506         info.bean = typicalInfoBean;\r
 507         \r
 508         // Resolve naming function for this typical instance.\r
 509         Resource compositeInstance = graph.getPossibleObject(instance, MOD.DiagramToComposite);\r
 510         if (compositeInstance != null) {\r
 511                 Function4<ReadGraph, Resource, Resource, String, String> namingFunction = TypicalUtil.getTypicalNamingFunction(graph, compositeInstance);\r
 512             if (namingFunction != null)\r
 513                 typicalInfoBean.auxiliary.put(AuxKeys.KEY_TYPICAL_NAMING_FUNCTION, namingFunction);\r
 514         }\r
 515 \r
 516         int dSizeAbs = Math.abs(typicalInfoBean.instanceElements.size() - currentTemplateElements.size());\r
 517 \r
 518         if(DEBUG)\r
 519                 System.out.println("typical <-> template mapping: " + typicalInfoBean.instanceToTemplate);\r
 520 \r
 521         // Find elements to be removed from instance by looking for all\r
 522         // instance elements that do not have a MOD.HasElementSource\r
 523         // relation but have a MOD.IsTemplatized tag.\r
 524         Set<Resource> instanceElementsRemovedFromTemplate = findInstanceElementsRemovedFromTemplate(\r
 525                 graph, info, new THashSet<Resource>(dSizeAbs));\r
 526 \r
 527         // Find elements in template that do not yet exist in the instance\r
 528         Set<Resource> templateElementsAddedToTemplate = findTemplateElementsMissingFromInstance(\r
 529                 graph, currentTemplateElements, info,\r
 530                 new THashSet<Resource>(dSizeAbs));\r
 531 \r
 532         Set<Resource> changedTemplateElements = changedElementsByDiagram.removeValues(template);\r
 533 \r
 534         if(DEBUG)\r
 535                 System.out.println("ADDED: " + templateElementsAddedToTemplate.size() + ", REMOVED: " + instanceElementsRemovedFromTemplate.size() + ", CHANGED: " + changedTemplateElements.size());\r
 536         \r
 537         // Validate\r
 538         for(Resource templateElement : graph.getObjects(template, L0.ConsistsOf)) {\r
 539                 if(graph.isInstanceOf(templateElement, DIA.RouteGraphConnection)) {\r
 540                         for(Resource connector : graph.getObjects(templateElement, DIA.HasConnector)) {\r
 541                                 for(Statement elementStm : graph.getStatements(connector, STR.Connects)) {\r
 542                                         Resource otherElement = elementStm.getObject(); \r
 543                                         if(!otherElement.equals(templateElement)) {\r
 544                                 Resource counterPartElement = findInstanceCounterpart(graph, instance, otherElement);\r
 545                                 if(counterPartElement != null) {\r
 546                                                 Resource diagramConnectionPoint = graph.getInverse(elementStm.getPredicate());\r
 547                                                 Resource connectionPoint = graph.getPossibleObject(diagramConnectionPoint, MOD.DiagramConnectionRelationToConnectionRelation);\r
 548                                                 if(connectionPoint != null) {\r
 549                                                         Statement stm = graph.getPossibleStatement(counterPartElement, diagramConnectionPoint);\r
 550                                         if(stm != null) {\r
 551                                                 if(graph.isInstanceOf(connectionPoint, L0.FunctionalRelation)) {\r
 552                                                         if(!isSynchronizedConnector(graph, templateElement, stm.getObject())) {\r
 553                                                                 messageLog.add("\t\tABORTED: tried to connect to an already connected terminal " + NameUtils.getSafeName(graph, counterPartElement) + " " + NameUtils.getSafeName(graph, connectionPoint));\r
 554                                                                 return;\r
 555                                                         }\r
 556                                                 }\r
 557                                                 }\r
 558                                                 }\r
 559                                 }\r
 560                                         }\r
 561                                 }\r
 562                         }\r
 563                 }\r
 564         }\r
 565         \r
 566         // Perform changes\r
 567         boolean changed = false;\r
 568         changed |= synchronizeDiagramChanges(graph, info, template, instance);\r
 569         changed |= removeElements(graph, info, instanceElementsRemovedFromTemplate);\r
 570         changed |= addMissingElements(graph, info, template, instance, templateElementsAddedToTemplate);\r
 571         changed |= synchronizeChangedElements(graph, info, template, instance, changedTemplateElements, templateElementsAddedToTemplate, changedElementsByDiagram == ALL);\r
 572 \r
 573         if (changed)\r
 574             metadata.addTypical(instance);\r
 575     }\r
 576 \r
 577     /**\r
 578      * Synchronize any configurable aspects of the typical diagram instance itself.\r
 579      * Every rule executed here comes from the ontology, nothing is fixed. \r
 580      * \r
 581      * @param graph\r
 582      * @param typicalInfo\r
 583      * @param template\r
 584      * @param instance\r
 585      * @return if any changes were made. \r
 586      * @throws DatabaseException\r
 587      */\r
 588     private boolean synchronizeDiagramChanges(\r
 589             WriteGraph graph,\r
 590             TypicalInfo typicalInfo,\r
 591             Resource template,\r
 592             Resource instance)\r
 593                     throws DatabaseException\r
 594     {\r
 595         boolean changed = false;\r
 596         for (Resource rule : graph.getObjects(template, MOD.HasTypicalSynchronizationRule)) {\r
 597             if (selectedRules != null && !selectedRules.contains(rule))\r
 598                 continue;\r
 599             ITypicalSynchronizationRule r = graph.getPossibleAdapter(rule, ITypicalSynchronizationRule.class);\r
 600             if (r != null)\r
 601                 changed |= r.synchronize(graph, template, instance, typicalInfo);\r
 602         }\r
 603         return changed;\r
 604     }\r
 605 \r
 606     /**\r
 607      * Add elements from template that do not yet exist in the instance.\r
 608      * \r
 609      * @param graph\r
 610      * @param template\r
 611      * @param instance\r
 612      * @param elementsAddedToTemplate\r
 613      * @return <code>true</code> if changes were made to the instance\r
 614      * @throws DatabaseException\r
 615      */\r
 616     private boolean addMissingElements(WriteGraph graph, TypicalInfo typicalInfo, Resource template,\r
 617             Resource instance, Set<Resource> elementsAddedToTemplate)\r
 618                     throws DatabaseException {\r
 619         if (elementsAddedToTemplate.isEmpty())\r
 620             return false;\r
 621 \r
 622         CopyAdvisor copyAdvisor = graph.syncRequest(new Adapter<CopyAdvisor>(instance, CopyAdvisor.class));\r
 623         this.temporaryDiagram.setHint(SynchronizationHints.COPY_ADVISOR, copyAdvisor);\r
 624 \r
 625         ElementObjectAssortment assortment = new ElementObjectAssortment(graph, elementsAddedToTemplate);\r
 626         if (copyMap == null)\r
 627             copyMap = new THashMap<Object, Object>();\r
 628         else\r
 629             copyMap.clear();\r
 630 \r
 631         if (DEBUG)\r
 632             System.out.println("ADD MISSING ELEMENTS: " + assortment);\r
 633 \r
 634         // initialCopyMap argument is needed for copying just connections\r
 635         // when their end-points are not copied at the same time.\r
 636 \r
 637         PasteOperation pasteOp = new PasteOperation(Commands.COPY,\r
 638                 (ICanvasContext) null, template, instance, temporaryDiagram,\r
 639                 assortment, false, new Point2D.Double(0, 0),\r
 640                 typicalInfo.bean.templateToInstance, copyMap)\r
 641         .options(PasteOperation.ForceCopyReferences.INSTANCE);\r
 642 \r
 643         new Paster(graph.getSession(), pasteOp).perform(graph);\r
 644 \r
 645         boolean changed = false;\r
 646 \r
 647         if(!elementsAddedToTemplate.isEmpty())\r
 648                 typicalInfo.messageLog.add("\tadded elements");\r
 649         \r
 650         for (Resource addedElement : elementsAddedToTemplate) {\r
 651             Resource copyElement = (Resource) copyMap.get(addedElement);\r
 652             if (copyElement != null) {\r
 653                 graph.claim(copyElement, MOD.IsTemplatized, MOD.IsTemplatized, copyElement);\r
 654                 graph.claim(copyElement, MOD.HasElementSource, MOD.ElementHasInstance, addedElement);\r
 655 \r
 656                 typicalInfo.bean.instanceElements.add(copyElement);\r
 657                 typicalInfo.bean.instanceToTemplate.put(copyElement, addedElement);\r
 658                 typicalInfo.bean.templateToInstance.put(addedElement, copyElement);\r
 659 \r
 660                 typicalInfo.messageLog.add("\t\t" + safeNameAndType(graph, copyElement));\r
 661 \r
 662                 changed = true;\r
 663             }\r
 664         }\r
 665 \r
 666         ModelingResources MOD = ModelingResources.getInstance(graph);\r
 667         Resource instanceComposite = graph.getPossibleObject(instance, MOD.DiagramToComposite);\r
 668         List<Resource> instanceComponents = new ArrayList<Resource>(elementsAddedToTemplate.size());\r
 669 \r
 670         // Post-process added elements after typicalInfo has been updated and\r
 671         // template mapping statements are in place.\r
 672         for (Resource addedElement : elementsAddedToTemplate) {\r
 673             Resource copyElement = (Resource) copyMap.get(addedElement);\r
 674             if (copyElement != null) {\r
 675                 postProcessAddedElement(graph, addedElement, copyElement, typicalInfo);\r
 676 \r
 677                 if (instanceComponents != null) {\r
 678                     // Gather all instance typical components for applying naming\r
 679                     // strategy on them.\r
 680                     Resource component = graph.getPossibleObject(copyElement, MOD.ElementToComponent);\r
 681                     if (component != null)\r
 682                         instanceComponents.add(component);\r
 683                 }\r
 684             }\r
 685         }\r
 686 \r
 687         if (instanceComposite != null)\r
 688             TypicalUtil.applySelectedModuleNames(graph, instanceComposite, instanceComponents);\r
 689 \r
 690         return changed;\r
 691     }\r
 692 \r
 693     private void postProcessAddedElement(WriteGraph graph,\r
 694             Resource addedTemplateElement, Resource addedInstanceElement,\r
 695             TypicalInfo typicalInfo) throws DatabaseException {\r
 696         if (graph.isInstanceOf(addedInstanceElement, DIA.Monitor)) {\r
 697             postProcessAddedMonitor(graph, addedTemplateElement, addedInstanceElement, typicalInfo);\r
 698         }\r
 699     }\r
 700 \r
 701     private void postProcessAddedMonitor(WriteGraph graph,\r
 702             Resource addedTemplateMonitor, Resource addedInstanceMonitor,\r
 703             TypicalInfo typicalInfo) throws DatabaseException {\r
 704         Resource monitor = addedInstanceMonitor;\r
 705         Resource monitoredComponent = graph.getPossibleObject(monitor, DIA.HasMonitorComponent);\r
 706         if (monitoredComponent != null) {\r
 707             Resource monitoredTemplateElement = graph.getPossibleObject(monitoredComponent, MOD.ComponentToElement);\r
 708             if (monitoredTemplateElement != null) {\r
 709                 Resource monitoredInstanceElement = typicalInfo.bean.templateToInstance.get(monitoredTemplateElement);\r
 710                 if (monitoredInstanceElement != null) {\r
 711                     Resource monitoredInstanceComponent = graph.getPossibleObject(monitoredInstanceElement, MOD.ElementToComponent);\r
 712                     if (monitoredInstanceComponent != null) {\r
 713                         // Ok, the monitor refers to a component within the\r
 714                         // template composite. Change it to refer to the\r
 715                         // instance composite.\r
 716                         graph.deny(monitor, DIA.HasMonitorComponent);\r
 717                         graph.claim(monitor, DIA.HasMonitorComponent, monitoredInstanceComponent);\r
 718                     }\r
 719                 }\r
 720             }\r
 721         }\r
 722     }\r
 723 \r
 724     private boolean removeElements(WriteGraph graph, TypicalInfo typicalInfo, Set<Resource> elementsRemovedFromTemplate) throws DatabaseException {\r
 725         if (elementsRemovedFromTemplate.isEmpty())\r
 726             return false;\r
 727 \r
 728         // Remove mapped elements from instance that are removed from the template.\r
 729         boolean changed = false;\r
 730         \r
 731         if(!elementsRemovedFromTemplate.isEmpty())\r
 732                 typicalInfo.messageLog.add("\tremoved elements");\r
 733         \r
 734         for (Resource removedElement : elementsRemovedFromTemplate) {\r
 735                 typicalInfo.messageLog.add("\t\t" + safeNameAndType(graph, removedElement));\r
 736 \r
 737             RemoverUtil.remove(graph, removedElement);\r
 738 \r
 739             typicalInfo.bean.instanceElements.remove(removedElement);\r
 740             Resource template = typicalInfo.bean.instanceToTemplate.remove(removedElement);\r
 741             if (template != null)\r
 742                 typicalInfo.bean.templateToInstance.remove(template);\r
 743 \r
 744             changed = true;\r
 745         }\r
 746         return changed;\r
 747     }\r
 748 \r
 749     private Set<Resource> findTemplateElementsMissingFromInstance(\r
 750             WriteGraph graph, Collection<Resource> currentTemplateElements,\r
 751             TypicalInfo typicalInfo, THashSet<Resource> result)\r
 752                   throws DatabaseException {\r
 753         for (Resource templateElement : currentTemplateElements) {\r
 754             Resource instanceElement = typicalInfo.bean.templateToInstance.get(templateElement);\r
 755             if (instanceElement == null) {\r
 756                 if(DEBUG)\r
 757                         System.out.println("No instance correspondence for template element " + NameUtils.getSafeName(graph, templateElement, true) + " => add");\r
 758                 result.add(templateElement);\r
 759             }\r
 760         }\r
 761         return result;\r
 762     }\r
 763 \r
 764     public Set<Resource> findInstanceElementsRemovedFromTemplate(\r
 765             ReadGraph graph, TypicalInfo typicalInfo,\r
 766             THashSet<Resource> result) throws DatabaseException {\r
 767         for (Resource instanceElement : typicalInfo.bean.instanceElements) {\r
 768             if (!typicalInfo.bean.instanceToTemplate.containsKey(instanceElement)) {\r
 769                 if (typicalInfo.bean.isTemplatized.contains(instanceElement)) {\r
 770                         if(DEBUG)\r
 771                                 System.out.println("Templatized typical instance element " + NameUtils.getSafeName(graph, instanceElement, true) + " has no correspondence in template => remove");\r
 772                     result.add(instanceElement);\r
 773                 }\r
 774             }\r
 775         }\r
 776         return result;\r
 777     }\r
 778 \r
 779     /**\r
 780      * Synchronize basic visual aspects of changed elements. For all elements,\r
 781      * transform and label are synchronized. Otherwise synchronization is\r
 782      * type-specific for connections, flags, monitors and svg elements.\r
 783      * \r
 784      * @param graph\r
 785      * @param typicalInfo\r
 786      * @param template\r
 787      * @param instance\r
 788      * @param changedTemplateElements\r
 789      * @param addedElements\r
 790      *            elements that have been added and thus need not be\r
 791      *            synchronized\r
 792      * @param synchronizeAllElements\r
 793      * @return\r
 794      * @throws DatabaseException\r
 795      */\r
 796     private boolean synchronizeChangedElements(WriteGraph graph,\r
 797             TypicalInfo typicalInfo, Resource template, Resource instance,\r
 798             Collection<Resource> changedTemplateElements,\r
 799             Set<Resource> addedElements,\r
 800             boolean synchronizeAllElements) throws DatabaseException {\r
 801 \r
 802         if (synchronizeAllElements) {\r
 803             // For unit testing purposes.\r
 804             changedTemplateElements = graph.syncRequest(new ObjectsWithType(template, L0.ConsistsOf, DIA.Element));\r
 805         }\r
 806 \r
 807         if (changedTemplateElements.isEmpty())\r
 808             return false;\r
 809 \r
 810         boolean changed = false;\r
 811 \r
 812         typicalInfo.messageLog.add("\telement change analysis");\r
 813         int analysisLogPosition = typicalInfo.messageLog.size();\r
 814 \r
 815         for (Resource changedTemplateElement : changedTemplateElements) {\r
 816             // Skip synchronization of elements that were just added and are\r
 817             // thus already synchronized.\r
 818             if (addedElements.contains(changedTemplateElement))\r
 819                 continue;\r
 820 \r
 821             Resource instanceElement = typicalInfo.bean.templateToInstance.get(changedTemplateElement);\r
 822             if (instanceElement == null) {\r
 823                 // There's an earlier problem in the sync process if this happens.\r
 824                 typicalInfo.messageLog.add("SKIPPING SYNC OF CHANGED TEMPLATE ELEMENT DUE TO MISSING INSTANCE: " + safeNameAndType(graph, getElementNameResource(graph, changedTemplateElement)));\r
 825                 continue;\r
 826             }\r
 827             \r
 828             typicalInfo.messageLog.add("\t\t" + elementName(graph, changedTemplateElement));\r
 829             int currentLogSize = typicalInfo.messageLog.size();\r
 830 \r
 831             changed |= InstanceOfRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 832             changed |= NameRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 833             changed |= TransformRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 834             changed |= LabelRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 835 \r
 836             Collection<Resource> types = graph.getTypes(changedTemplateElement);\r
 837             if (types.contains(DIA.RouteGraphConnection)) {\r
 838                 changed |= synchronizeConnection(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 839             } else if (types.contains(DIA.Flag)) {\r
 840                 changed |= FlagRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 841             } else if (types.contains(DIA.Monitor)) {\r
 842                 changed |= MonitorRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 843             } else if (types.contains(DIA.SVGElement)) {\r
 844                 changed |= SVGElementRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 845             }\r
 846 \r
 847             changed |= ProfileMonitorRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 848             \r
 849             for (Resource rule : graph.getObjects(changedTemplateElement, MOD.HasTypicalSynchronizationRule)) {\r
 850                 if(selectedRules != null && !selectedRules.contains(rule)) continue;\r
 851                 ITypicalSynchronizationRule r = graph.getPossibleAdapter(rule, ITypicalSynchronizationRule.class);\r
 852                 if (r != null)\r
 853                     changed |= r.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 854             }\r
 855             \r
 856             // Show element only if something has happened\r
 857             if(currentLogSize == typicalInfo.messageLog.size())\r
 858                 typicalInfo.messageLog.remove(typicalInfo.messageLog.size()-1);\r
 859             \r
 860         }\r
 861 \r
 862         if (s2t != null)\r
 863             s2t.clear();\r
 864         if (t2s != null)\r
 865             t2s.clear();\r
 866 \r
 867         // Show analysis header only if something has happened\r
 868         if(analysisLogPosition == typicalInfo.messageLog.size())\r
 869                 typicalInfo.messageLog.remove(typicalInfo.messageLog.size()-1);\r
 870 \r
 871         return changed;\r
 872     }\r
 873 \r
 874     /**\r
 875      * Synchronizes two route graph connection topologies if and only if the\r
 876      * destination connection is not attached to any node elements besides\r
 877      * the ones that exist in the source. This means that connections that\r
 878      * have instance-specific connections to non-template nodes are ignored\r
 879      * here.\r
 880      * \r
 881      * @param graph\r
 882      * @param sourceConnection\r
 883      * @param targetConnection\r
 884      * @param typicalInfo\r
 885      * @return <code>true</code> if changes were made \r
 886      * @throws DatabaseException\r
 887      */\r
 888     private boolean synchronizeConnection(WriteGraph graph, Resource sourceConnection, Resource targetConnection, TypicalInfo typicalInfo)\r
 889             throws DatabaseException {\r
 890 \r
 891         if(DEBUG)\r
 892                 System.out.println("connection " + NameUtils.getSafeName(graph, sourceConnection, true) + " to target connection " + NameUtils.getSafeName(graph, targetConnection, true));\r
 893 \r
 894         boolean changed = false;\r
 895 \r
 896         // Initialize utilities and data maps\r
 897         s2t = newOrClear(s2t);\r
 898         t2s = newOrClear(t2s);\r
 899 \r
 900         if (cu == null)\r
 901             cu = new ConnectionUtil(graph);\r
 902 \r
 903         // 0.1. find mappings between source and target connection connectors\r
 904         Collection<Resource> targetConnectors = graph.getObjects(targetConnection, DIA.HasConnector);\r
 905         for (Resource targetConnector : targetConnectors) {\r
 906             Statement toNode = cu.getConnectedComponentStatement(targetConnection, targetConnector);\r
 907             if (toNode == null) {\r
 908                 // Corrupted target connection!\r
 909                 ErrorLogger.defaultLogError("Encountered corrupted typical template connection " + NameUtils.getSafeName(graph, targetConnection, true) + " with a stray DIA.Connector instance " + NameUtils.getSafeName(graph, targetConnector, true), new Exception("trace"));\r
 910                 return false;\r
 911             }\r
 912 \r
 913             // Check that the target connections does not connect to\r
 914             // non-templatized elements before syncing.\r
 915             if (!graph.hasStatement(toNode.getObject(), MOD.IsTemplatized))\r
 916                 return false;\r
 917 \r
 918             //Resource templateNode = typicalInfo.instanceToTemplate.get(toNode.getObject());\r
 919             Resource templateNode = graph.getPossibleObject(toNode.getObject(), MOD.HasElementSource);\r
 920             if (templateNode != null) {\r
 921                 Resource isConnectedTo = graph.getPossibleInverse(toNode.getPredicate());\r
 922                 if (isConnectedTo != null) {\r
 923                     Resource templateConnector = graph.getPossibleObject(templateNode, isConnectedTo);\r
 924                     if (templateConnector != null) {\r
 925                         Resource connectionOfTemplateConnector = ConnectionUtil.tryGetConnection(graph, templateConnector);\r
 926                         if (sourceConnection.equals(connectionOfTemplateConnector)) {\r
 927                             s2t.put(templateConnector, targetConnector);\r
 928                             t2s.put(targetConnector, templateConnector);\r
 929 \r
 930                             if (DEBUG)\r
 931                                 System.out.println("Mapping connector "\r
 932                                         + NameUtils.getSafeName(graph, templateConnector, true)\r
 933                                         + " to " + NameUtils.getSafeName(graph, targetConnector, true));\r
 934                         }\r
 935                     }\r
 936                 }\r
 937             }\r
 938         }\r
 939 \r
 940         // 0.2. find mapping between source and target route lines\r
 941         Collection<Resource> sourceInteriorRouteNodes = graph.getObjects(sourceConnection, DIA.HasInteriorRouteNode);\r
 942         Collection<Resource> targetInteriorRouteNodes = graph.getObjects(targetConnection, DIA.HasInteriorRouteNode);\r
 943         Map<Resource, Paster.RouteLine> sourceToRouteLine = new THashMap<Resource, Paster.RouteLine>();\r
 944         Map<Resource, Paster.RouteLine> targetToRouteLine = new THashMap<Resource, Paster.RouteLine>();\r
 945 \r
 946         for (Resource source : sourceInteriorRouteNodes)\r
 947             sourceToRouteLine.put(source, Paster.readRouteLine(graph, source));\r
 948         for (Resource target : targetInteriorRouteNodes)\r
 949             targetToRouteLine.put(target, Paster.readRouteLine(graph, target));\r
 950 \r
 951         nextSourceLine:\r
 952             for (Iterator<Map.Entry<Resource, Paster.RouteLine>> sourceIt = sourceToRouteLine.entrySet().iterator(); !targetToRouteLine.isEmpty() && sourceIt.hasNext();) {\r
 953                 Map.Entry<Resource, Paster.RouteLine> sourceEntry = sourceIt.next();\r
 954                 Paster.RouteLine sourceLine = sourceEntry.getValue();\r
 955                 for (Iterator<Map.Entry<Resource, Paster.RouteLine>> targetIt = targetToRouteLine.entrySet().iterator(); targetIt.hasNext();) {\r
 956                     Map.Entry<Resource, Paster.RouteLine> targetEntry = targetIt.next();\r
 957                     if (sourceLine.equals(targetEntry.getValue())) {\r
 958                         s2t.put(sourceEntry.getKey(), targetEntry.getKey());\r
 959                         t2s.put(targetEntry.getKey(), sourceEntry.getKey());\r
 960                         sourceIt.remove();\r
 961                         targetIt.remove();\r
 962 \r
 963                         if (DEBUG)\r
 964                             System.out.println("Mapping routeline "\r
 965                                     + NameUtils.getSafeName(graph, sourceEntry.getKey(), true)\r
 966                                     + " - " + sourceEntry.getValue()\r
 967                                     + " to " + NameUtils.getSafeName(graph, targetEntry.getKey(), true)\r
 968                                     + " - " + targetEntry.getValue());\r
 969 \r
 970                         continue nextSourceLine;\r
 971                     }\r
 972                 }\r
 973             }\r
 974 \r
 975         if (DEBUG) {\r
 976             System.out.println("Take 1: Source to target route nodes map : " + s2t);\r
 977             System.out.println("Take 1: Target to source route nodes map : " + t2s);\r
 978         }\r
 979 \r
 980         // 1.1 remove excess connectors\r
 981         for (Resource targetConnector : targetConnectors) {\r
 982             if (!t2s.containsKey(targetConnector)) {\r
 983                 typicalInfo.messageLog.add("\t\t\tremove excess connector from target connection: " + NameUtils.getSafeName(graph, targetConnector));\r
 984                 cu.removeConnectionPart(targetConnector);\r
 985                 changed = true;\r
 986             }\r
 987         }\r
 988 \r
 989         // 1.2 add missing connectors to target\r
 990         Collection<Resource> sourceConnectors = graph.getObjects(sourceConnection, DIA.HasConnector);\r
 991         for (Resource sourceConnector : sourceConnectors) {\r
 992             if (!s2t.containsKey(sourceConnector)) {\r
 993                 Statement sourceIsConnectorOf = graph.getSingleStatement(sourceConnector, DIA.IsConnectorOf);\r
 994                 Statement connects = cu.getConnectedComponentStatement(sourceConnection, sourceConnector);\r
 995                 if (connects == null) {\r
 996                     // TODO: serious error!\r
 997                     throw new DatabaseException("ERROR: connector is astray, i.e. not connected to a node element: " + safeNameAndType(graph, sourceConnector));\r
 998                 }\r
 999                 Resource connectsInstanceElement = typicalInfo.bean.templateToInstance.get(connects.getObject());\r
1000                 if (connectsInstanceElement == null) {\r
1001                     // TODO: serious error!\r
1002                     throw new DatabaseException("ERROR: could not find instance element to which template element " + safeNameAndType(graph, connects.getObject()) + " is connected to");\r
1003                 }\r
1004                 Resource hasConnector = graph.getInverse(sourceIsConnectorOf.getPredicate());\r
1005 \r
1006                 Resource newTargetConnector = cu.newConnector(targetConnection, hasConnector);\r
1007                 graph.claim(newTargetConnector, connects.getPredicate(), connectsInstanceElement);\r
1008                 changed = true;\r
1009 \r
1010                 s2t.put(sourceConnector, newTargetConnector);\r
1011                 t2s.put(newTargetConnector, sourceConnector);\r
1012 \r
1013                 typicalInfo.messageLog.add("\t\t\tadd new connector to target connection: " + NameUtils.getSafeName(graph, newTargetConnector) + " to map to source connector " + NameUtils.getSafeName(graph, sourceConnector));\r
1014             }\r
1015         }\r
1016 \r
1017         // 2. sync route lines and their connectivity:\r
1018         // 2.1. assign correspondences in target for each source route line\r
1019         //      by reusing excess routelines in target and by creating new\r
1020         //      route lines.\r
1021 \r
1022         Resource[] targetRouteLines = targetToRouteLine.keySet().toArray(Resource.NONE);\r
1023         int targetRouteLine = targetRouteLines.length - 1;\r
1024 \r
1025         for (Iterator<Map.Entry<Resource, Paster.RouteLine>> sourceIt = sourceToRouteLine.entrySet().iterator(); sourceIt.hasNext();) {\r
1026             Map.Entry<Resource, Paster.RouteLine> sourceEntry = sourceIt.next();\r
1027             Resource source = sourceEntry.getKey();\r
1028             Paster.RouteLine sourceLine = sourceEntry.getValue();\r
1029 \r
1030             typicalInfo.messageLog.add("\t\t\tassign an instance-side routeline complement for " + NameUtils.getSafeName(graph, source, true) + " - " + sourceLine);\r
1031 \r
1032             // Assign target route line for source\r
1033             Resource target = null;\r
1034             if (targetRouteLine < 0) {\r
1035                 // by creating new route lines\r
1036                 target = cu.newRouteLine(targetConnection, sourceLine.getPosition(), sourceLine.isHorizontal());\r
1037                 typicalInfo.messageLog.add("\t\t\tcreate new route line " + NameUtils.getSafeName(graph, target));\r
1038                 changed = true;\r
1039             } else {\r
1040                 // by reusing existing route line\r
1041                 target = targetRouteLines[targetRouteLine--];\r
1042                 copyRouteLine(graph, source, target);\r
1043                 cu.disconnectFromAllRouteNodes(target);\r
1044                 typicalInfo.messageLog.add("\t\t\treused existing route line " + NameUtils.getSafeName(graph, target));\r
1045                 changed = true;\r
1046             }\r
1047             s2t.put(source, target);\r
1048             t2s.put(target, source);\r
1049 \r
1050             typicalInfo.messageLog.add("\t\t\tmapped source route line " + NameUtils.getSafeName(graph, source) + " to target route line " + NameUtils.getSafeName(graph, target));\r
1051         }\r
1052 \r
1053         if (targetRouteLine >= 0) {\r
1054                 typicalInfo.messageLog.add("\t\t\tremove excess route lines (" + (targetRouteLine + 1) + ") from target connection");\r
1055             for (; targetRouteLine >= 0; targetRouteLine--) {\r
1056                 typicalInfo.messageLog.add("\t\t\t\tremove excess route line: " + NameUtils.getSafeName(graph, targetRouteLines[targetRouteLine], true));\r
1057                 cu.removeConnectionPart(targetRouteLines[targetRouteLine]);\r
1058             }\r
1059         }\r
1060 \r
1061         if (DEBUG) {\r
1062             System.out.println("Take 2: Source to target route nodes map : " + s2t);\r
1063             System.out.println("Take 2: Target to source route nodes map : " + t2s);\r
1064         }\r
1065 \r
1066         // 2.2. Synchronize target connection topology (DIA.AreConnected)\r
1067         changed |= connectRouteNodes(graph, typicalInfo, sourceInteriorRouteNodes);\r
1068         changed |= connectRouteNodes(graph, typicalInfo, sourceConnectors);\r
1069 \r
1070         // 3. remove excess routelines & connectors from target connection\r
1071         changed |= cu.removeExtraInteriorRouteNodes(targetConnection) > 0;\r
1072         changed |= cu.removeUnusedConnectors(targetConnection) > 0;\r
1073 \r
1074         return changed;\r
1075     }\r
1076 \r
1077     private boolean connectRouteNodes(WriteGraph graph, TypicalInfo typicalInfo, Collection<Resource> sourceRouteNodes) throws DatabaseException {\r
1078         boolean changed = false;\r
1079         for (Resource src : sourceRouteNodes) {\r
1080             Resource dst = s2t.get(src);\r
1081             if (dst == null) {\r
1082                 throw new DatabaseException("TARGET ROUTE NODE == NULL FOR SRC: " + NameUtils.getSafeName(graph, src));\r
1083             }\r
1084 \r
1085             Collection<Resource> connectedToSrcs = graph.getObjects(src, DIA.AreConnected);\r
1086             Collection<Resource> connectedToDsts = graph.getObjects(dst, DIA.AreConnected);\r
1087 \r
1088             // Remove excess statements\r
1089             for (Resource connectedToDst : connectedToDsts) {\r
1090                 Resource connectedToSrc = t2s.get(connectedToDst);\r
1091                 if (connectedToSrc == null) {\r
1092                     throw new DatabaseException("CONNECTED TO SRC == NULL FOR DST: " + NameUtils.getSafeName(graph, connectedToDst));\r
1093                 }\r
1094                 if (connectedToSrc == null || !graph.hasStatement(src, DIA.AreConnected, connectedToSrc)) {\r
1095                     graph.deny(dst, DIA.AreConnected, DIA.AreConnected, connectedToDst);\r
1096                     changed = true;\r
1097                     typicalInfo.messageLog.add("\t\t\tdisconnected route nodes (" + NameUtils.getSafeName(graph, dst) + ", " + NameUtils.getSafeName(graph, connectedToDst) + ")");\r
1098                 }\r
1099             }\r
1100 \r
1101             // Add necessary statements\r
1102             for (Resource connectedToSrc : connectedToSrcs) {\r
1103                 Resource connectedToDst = s2t.get(connectedToSrc);\r
1104                 if (connectedToDst == null) {\r
1105                     throw new DatabaseException("CONNECTED TO DST == NULL FOR SRC: " + NameUtils.getSafeName(graph, connectedToSrc));\r
1106                 }\r
1107                 if (!graph.hasStatement(dst, DIA.AreConnected, connectedToDst)) {\r
1108                     graph.claim(dst, DIA.AreConnected, DIA.AreConnected, connectedToDst);\r
1109                     changed = true;\r
1110                     typicalInfo.messageLog.add("\t\t\tconnected route nodes (" + NameUtils.getSafeName(graph, dst) + ", " + NameUtils.getSafeName(graph, connectedToDst) + ")");\r
1111                 }\r
1112             }\r
1113         }\r
1114         return changed;\r
1115     }\r
1116 \r
1117     private void copyRouteLine(WriteGraph graph, Resource src, Resource tgt) throws DatabaseException {\r
1118         Double pos = graph.getPossibleRelatedValue(src, DIA.HasPosition, Bindings.DOUBLE);\r
1119         Boolean hor = graph.getPossibleRelatedValue(src, DIA.IsHorizontal, Bindings.BOOLEAN);\r
1120         if (pos == null)\r
1121             pos = 0.0;\r
1122         if (hor == null)\r
1123             hor = Boolean.TRUE;\r
1124         graph.claimLiteral(tgt, DIA.HasPosition, L0.Double, pos, Bindings.DOUBLE);\r
1125         graph.claimLiteral(tgt, DIA.IsHorizontal, L0.Boolean, hor, Bindings.BOOLEAN);\r
1126     }\r
1127 \r
1128     private static String safeNameAndType(ReadGraph graph, Resource r) throws DatabaseException {\r
1129         StringBuilder sb = new StringBuilder();\r
1130         sb.append(NameUtils.getSafeName(graph, r, true));\r
1131         sb.append(" : [");\r
1132         boolean first = true;\r
1133         for (Resource type : graph.getPrincipalTypes(r)) {\r
1134             if (!first)\r
1135                 sb.append(",");\r
1136             first = false;\r
1137             sb.append(NameUtils.getSafeName(graph, type, true));\r
1138         }\r
1139         sb.append("]");\r
1140         return sb.toString();\r
1141     }\r
1142 \r
1143     private static <K, V> Map<K, V> newOrClear(Map<K, V> current) {\r
1144         if (current == null)\r
1145             return new THashMap<K, V>();\r
1146         current.clear();\r
1147         return current;\r
1148     }\r
1149 \r
1150 }