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.Simantics;\r
  28 import org.simantics.databoard.Bindings;\r
  29 import org.simantics.db.ReadGraph;\r
  30 import org.simantics.db.Resource;\r
  31 import org.simantics.db.Statement;\r
  32 import org.simantics.db.WriteGraph;\r
  33 import org.simantics.db.common.CommentMetadata;\r
  34 import org.simantics.db.common.NamedResource;\r
  35 import org.simantics.db.common.primitiverequest.Adapter;\r
  36 import org.simantics.db.common.procedure.adapter.TransientCacheListener;\r
  37 import org.simantics.db.common.request.ObjectsWithType;\r
  38 import org.simantics.db.common.request.PossibleIndexRoot;\r
  39 import org.simantics.db.common.request.WriteRequest;\r
  40 import org.simantics.db.common.uri.UnescapedChildMapOfResource;\r
  41 import org.simantics.db.common.utils.CommonDBUtils;\r
  42 import org.simantics.db.common.utils.NameUtils;\r
  43 import org.simantics.db.exception.DatabaseException;\r
  44 import org.simantics.db.layer0.adapter.Instances;\r
  45 import org.simantics.db.layer0.request.ActiveModels;\r
  46 import org.simantics.db.layer0.util.RemoverUtil;\r
  47 import org.simantics.diagram.content.ConnectionUtil;\r
  48 import org.simantics.diagram.handler.CopyPasteStrategy;\r
  49 import org.simantics.diagram.handler.ElementObjectAssortment;\r
  50 import org.simantics.diagram.handler.PasteOperation;\r
  51 import org.simantics.diagram.handler.Paster;\r
  52 import org.simantics.diagram.stubs.DiagramResource;\r
  53 import org.simantics.diagram.synchronization.CollectingModificationQueue;\r
  54 import org.simantics.diagram.synchronization.CopyAdvisor;\r
  55 import org.simantics.diagram.synchronization.SynchronizationHints;\r
  56 import org.simantics.diagram.synchronization.graph.GraphSynchronizationContext;\r
  57 import org.simantics.diagram.ui.DiagramModelHints;\r
  58 import org.simantics.document.DocumentResource;\r
  59 import org.simantics.g2d.canvas.ICanvasContext;\r
  60 import org.simantics.g2d.diagram.DiagramClass;\r
  61 import org.simantics.g2d.diagram.IDiagram;\r
  62 import org.simantics.g2d.diagram.impl.Diagram;\r
  63 import org.simantics.layer0.Layer0;\r
  64 import org.simantics.modeling.ModelingResources;\r
  65 import org.simantics.modeling.ModelingUtils;\r
  66 import org.simantics.modeling.mapping.ModelingSynchronizationHints;\r
  67 import org.simantics.modeling.typicals.rules.AuxKeys;\r
  68 import org.simantics.modeling.typicals.rules.FlagRule;\r
  69 import org.simantics.modeling.typicals.rules.InstanceOfRule;\r
  70 import org.simantics.modeling.typicals.rules.LabelRule;\r
  71 import org.simantics.modeling.typicals.rules.MonitorRule;\r
  72 import org.simantics.modeling.typicals.rules.NameRule;\r
  73 import org.simantics.modeling.typicals.rules.ProfileMonitorRule;\r
  74 import org.simantics.modeling.typicals.rules.SVGElementRule;\r
  75 import org.simantics.modeling.typicals.rules.TransformRule;\r
  76 import org.simantics.scenegraph.g2d.events.command.Commands;\r
  77 import org.simantics.scl.runtime.function.Function4;\r
  78 import org.simantics.structural.stubs.StructuralResource2;\r
  79 import org.simantics.utils.datastructures.MapSet;\r
  80 import org.simantics.utils.strings.AlphanumComparator;\r
  81 import org.simantics.utils.strings.EString;\r
  82 import org.simantics.utils.ui.ErrorLogger;\r
  83 import org.slf4j.Logger;\r
  84 import org.slf4j.LoggerFactory;\r
  85 \r
  86 import gnu.trove.map.hash.THashMap;\r
  87 import gnu.trove.set.hash.THashSet;\r
  88 \r
  89 /**\r
  90  * A write request that synchronizes typical master templates and their\r
  91  * instances as specified.\r
  92  * \r
  93  * <p>\r
  94  * Use {@link #SyncTypicalTemplatesToInstances(Resource[], MapSet)} to\r
  95  * synchronize all instances of specified templates. Use\r
  96  * {@link #syncSingleInstance(Resource)} to synchronize a single typical\r
  97  * instance with its master template.\r
  98  * \r
  99  * @author Tuukka Lehtonen\r
 100  * \r
 101  * @see ReadTypicalInfo\r
 102  * @see TypicalInfo\r
 103  * @see TypicalSynchronizationMetadata\r
 104  */\r
 105 public class SyncTypicalTemplatesToInstances extends WriteRequest {\r
 106     private static final Logger LOGGER = LoggerFactory.getLogger(SyncTypicalTemplatesToInstances.class);\r
 107 \r
 108     /**\r
 109      * A constant used as the second argument to\r
 110      * {@link #SyncTemplates(Resource[], MapSet)} for stating that all specified\r
 111      * templates should be fully synchronized to their instances.\r
 112      * \r
 113      * This is useful for forcing complete synchronization and unit testing. \r
 114      */\r
 115     public static final EmptyMapSet ALL = EmptyMapSet.INSTANCE;\r
 116 \r
 117     public static class EmptyMapSet extends MapSet<Resource, Resource> {\r
 118 \r
 119         public static final EmptyMapSet INSTANCE = new EmptyMapSet();\r
 120 \r
 121         public EmptyMapSet() {\r
 122             this.sets = Collections.emptyMap();\r
 123         }\r
 124 \r
 125         @Override\r
 126         protected Set<Resource> getOrCreateSet(Resource key) {\r
 127             throw new UnsupportedOperationException("immutable constant instance");\r
 128         }\r
 129 \r
 130     };\r
 131 \r
 132     protected static final boolean           DEBUG = false;\r
 133 \r
 134     // Input\r
 135 \r
 136     final private IProgressMonitor monitor;\r
 137     /**\r
 138      * Typical diagram rules to apply\r
 139      */\r
 140     protected Set<Resource>                                     selectedRules;\r
 141     \r
 142     /**\r
 143      * Typical diagram templates to synchronize with their instances.\r
 144      */\r
 145     protected Resource[]                     templates;\r
 146 \r
 147     /**\r
 148      * Typical diagram instances to synchronize with their templates.\r
 149      */\r
 150     protected Resource[]                     instances;\r
 151 \r
 152     /**\r
 153      * For each template diagram in {@link #templates}, shall contain a set of\r
 154      * elements that have changed and should be synchronized into the instance\r
 155      * diagrams. Provided as an argument by the client. Allows optimizing\r
 156      * real-time synchronization by not processing everything all the time.\r
 157      * \r
 158      * If the value is {@link #ALL}, all elements of the template shall be fully\r
 159      * synchronized.\r
 160      */\r
 161     protected MapSet<Resource, Resource>     changedElementsByDiagram;\r
 162 \r
 163     // Temporary data\r
 164 \r
 165     protected Layer0                         L0;\r
 166     protected StructuralResource2            STR;\r
 167     protected DiagramResource                DIA;\r
 168     protected ModelingResources              MOD;\r
 169 \r
 170     /**\r
 171      * Needed for using {@link Paster} in\r
 172      * {@link #addMissingElements(WriteGraph, TypicalInfo, Resource, Resource, Set)}\r
 173      */\r
 174     protected GraphSynchronizationContext    syncCtx;\r
 175 \r
 176     /**\r
 177      * For collecting commit metadata during the processing of this request.\r
 178      */\r
 179     protected TypicalSynchronizationMetadata metadata;\r
 180 \r
 181     /**\r
 182      * Necessary for using {@link CopyPasteStrategy} and {@link PasteOperation}\r
 183      * for now. Will be removed in the future once IDiagram is removed from\r
 184      * PasteOperation.\r
 185      */\r
 186     protected IDiagram                       temporaryDiagram;\r
 187 \r
 188     protected ConnectionUtil                 cu;\r
 189 \r
 190     /**\r
 191      * Maps source -> target connection route nodes, i.e. connectors and\r
 192      * interior route nodes (route lines). Inverse mapping of {@link #t2s}.\r
 193      */\r
 194     protected Map<Resource, Resource>        s2t;\r
 195 \r
 196     /**\r
 197      * Maps target -> source connection route nodes, i.e. connectors and\r
 198      * interior route nodes (route lines). Inverse mapping of {@link #s2t}.\r
 199      */\r
 200     protected Map<Resource, Resource>        t2s;\r
 201 \r
 202     /**\r
 203      * An auxiliary resource map for extracting the correspondences between\r
 204      * originals and copied resource when diagram contents are copied from\r
 205      * template to instance.\r
 206      */\r
 207     protected Map<Object, Object>            copyMap;\r
 208 \r
 209     final private Map<Resource, List<String>> messageLogs = new HashMap<Resource, List<String>>();\r
 210     \r
 211     public List<Resource> logs = new ArrayList<Resource>();\r
 212 \r
 213         private boolean writeLog;\r
 214 \r
 215     /**\r
 216      * For SCL API.\r
 217      * \r
 218      * @param graph\r
 219      * @param selectedRules\r
 220      * @param templates\r
 221      * @param instances\r
 222      * @throws DatabaseException\r
 223      */\r
 224     public static void syncTypicals(WriteGraph graph, boolean log, List<Resource> templates, List<Resource> instances) throws DatabaseException {\r
 225         graph.syncRequest(\r
 226                 new SyncTypicalTemplatesToInstances(\r
 227                         null,\r
 228                         templates.toArray(Resource.NONE),\r
 229                         instances.toArray(Resource.NONE),\r
 230                         ALL,\r
 231                         null)\r
 232                 .logging(log));\r
 233     }\r
 234 \r
 235     /**\r
 236      * @param templates typical diagram templates to completely synchronize with\r
 237      *        their instances\r
 238      */\r
 239     public SyncTypicalTemplatesToInstances(Set<Resource> selectedRules, Resource... templates) {\r
 240         this(selectedRules, templates, null, ALL, null);\r
 241     }\r
 242 \r
 243     /**\r
 244      * @param templates typical diagram templates to partially synchronize with\r
 245      *        their instances\r
 246      * @param changedElementsByDiagram see {@link #changedElementsByDiagram}\r
 247      */\r
 248     public SyncTypicalTemplatesToInstances(Set<Resource> selectedRules, Resource[] templates, MapSet<Resource, Resource> changedElementsByDiagram) {\r
 249         this(selectedRules, templates, null, changedElementsByDiagram, null);\r
 250     }\r
 251 \r
 252     /**\r
 253      * Return a write request that completely synchronizes the specified\r
 254      * instance diagram with its template.\r
 255      * \r
 256      * @param instance\r
 257      * @return\r
 258      */\r
 259     public static SyncTypicalTemplatesToInstances syncSingleInstance(Set<Resource> selectedRules, Resource instance) {\r
 260         return new SyncTypicalTemplatesToInstances(selectedRules, null, new Resource[] { instance }, ALL, null);\r
 261     }\r
 262 \r
 263     /**\r
 264      * @param templates typical diagram templates to synchronize with their instances\r
 265      * @param instances typical diagram instances to synchronize with their templates\r
 266      * @param changedElementsByDiagram see {@link #changedElementsByDiagram}\r
 267      */\r
 268     private SyncTypicalTemplatesToInstances(Set<Resource> selectedRules, Resource[] templates, Resource[] instances, MapSet<Resource, Resource> changedElementsByDiagram, IProgressMonitor monitor) {\r
 269         this.selectedRules = selectedRules;\r
 270         this.templates = templates;\r
 271         this.instances = instances;\r
 272         this.changedElementsByDiagram = changedElementsByDiagram;\r
 273         this.monitor = monitor;\r
 274     }\r
 275 \r
 276     public SyncTypicalTemplatesToInstances logging(boolean writeLog) {\r
 277         this.writeLog = writeLog;\r
 278         return this;\r
 279     }\r
 280 \r
 281     private Resource getDiagramNameResource(ReadGraph graph, Resource diagram) throws DatabaseException {\r
 282         Resource composite = graph.getPossibleObject(diagram, MOD.DiagramToComposite);\r
 283         if(composite != null) return composite;\r
 284         else return diagram;\r
 285     }\r
 286     \r
 287     private Resource getElementNameResource(ReadGraph graph, Resource element) throws DatabaseException {\r
 288         Resource corr = ModelingUtils.getPossibleElementCorrespondendence(graph, element);\r
 289         if(corr != null) return corr;\r
 290         else return element;\r
 291     }\r
 292     \r
 293     private List<String> getLog(ReadGraph graph, Resource diagram) throws DatabaseException {\r
 294         Resource indexRoot = graph.syncRequest(new PossibleIndexRoot(diagram));\r
 295         if(indexRoot == null) throw new DatabaseException("FATAL: Diagram is not under any index root.");\r
 296         List<String> log = messageLogs.get(indexRoot);\r
 297         if(log == null) {\r
 298                 log = new ArrayList<String>();\r
 299                 messageLogs.put(indexRoot, log);\r
 300         }\r
 301         return log;\r
 302     }\r
 303     \r
 304     private String elementName(ReadGraph graph, Resource element) throws DatabaseException {\r
 305         \r
 306         StringBuilder b = new StringBuilder();\r
 307         b.append(safeNameAndType(graph, element));\r
 308 \r
 309         int spaces = 60-b.length();\r
 310                 for(int i=0;i<spaces;i++) b.append(" ");\r
 311 \r
 312         Resource corr = ModelingUtils.getPossibleElementCorrespondendence(graph, element);\r
 313         if(corr != null) {\r
 314                 b.append(safeNameAndType(graph, corr));\r
 315         } else {\r
 316                 b.append("-");\r
 317         }\r
 318         \r
 319         return b.toString();\r
 320         \r
 321     }\r
 322 \r
 323     @Override\r
 324     public void perform(WriteGraph graph) throws DatabaseException {\r
 325         this.L0 = Layer0.getInstance(graph);\r
 326         this.STR = StructuralResource2.getInstance(graph);\r
 327         this.DIA = DiagramResource.getInstance(graph);\r
 328         this.MOD = ModelingResources.getInstance(graph);\r
 329 \r
 330         this.syncCtx = GraphSynchronizationContext.getWriteInstance( graph, new CollectingModificationQueue() );\r
 331         this.syncCtx.set(ModelingSynchronizationHints.MODELING_RESOURCE, ModelingResources.getInstance(graph));\r
 332 \r
 333         this.metadata = new TypicalSynchronizationMetadata();\r
 334         this.metadata.synchronizedTypicals = new ArrayList<Resource>();\r
 335 \r
 336         this.temporaryDiagram = Diagram.spawnNew(DiagramClass.DEFAULT);\r
 337         this.temporaryDiagram.setHint(SynchronizationHints.CONTEXT, syncCtx);\r
 338 \r
 339         this.cu = new ConnectionUtil(graph);\r
 340 \r
 341         if (templates != null) {\r
 342             // Look for typical template instances from the currently active models only.\r
 343             Collection<Resource> activeModels = graph.syncRequest(new ActiveModels(Simantics.getProjectResource()));\r
 344             if (!activeModels.isEmpty()) {\r
 345                 for (Resource template : templates) {\r
 346                     syncTemplate(graph, template, activeModels);\r
 347                 }\r
 348             }\r
 349         }\r
 350         if (instances != null) {\r
 351             for (Resource instance : instances) {\r
 352                 syncInstance(graph, instance);\r
 353             }\r
 354         }\r
 355 \r
 356         if (writeLog) {\r
 357             for(Map.Entry<Resource, List<String>> entry : messageLogs.entrySet()) {\r
 358 \r
 359                 Resource indexRoot = entry.getKey();\r
 360                 List<String> messageLog = entry.getValue();\r
 361 \r
 362                 Layer0 L0 = Layer0.getInstance(graph);\r
 363                 DocumentResource DOC = DocumentResource.getInstance(graph);\r
 364 \r
 365                 Collection<Resource> libs = graph.syncRequest(new ObjectsWithType(indexRoot, L0.ConsistsOf, DOC.DocumentLibrary));\r
 366                 if(libs.isEmpty()) continue;\r
 367 \r
 368                 List<NamedResource> nrs = new ArrayList<NamedResource>();\r
 369                 for(Resource lib : libs) nrs.add(new NamedResource(NameUtils.getSafeName(graph, lib), lib));\r
 370                 Collections.sort(nrs, AlphanumComparator.CASE_INSENSITIVE_COMPARATOR);\r
 371                 Resource library = nrs.iterator().next().getResource();\r
 372 \r
 373                 CommonDBUtils.selectClusterSet(graph, library);\r
 374 \r
 375                 String text = "--- Created: " + new Date().toString() + " ---\n";\r
 376                 text += EString.implode(messageLog);\r
 377 \r
 378                 Resource log = graph.newResource();\r
 379                 graph.claim(log, L0.InstanceOf, null, DOC.PlainTextDocument);\r
 380                 graph.claimLiteral(log, L0.HasName, L0.String, "Typical Sync " + new Date().toString());\r
 381                 graph.claim(library, L0.ConsistsOf, L0.PartOf, log);\r
 382                 graph.claimLiteral(log, DOC.PlainTextDocument_text, L0.String, text);\r
 383                 logs.add(log);\r
 384 \r
 385             }\r
 386         }\r
 387 \r
 388         if (!metadata.getTypicals().isEmpty()) {\r
 389             graph.addMetadata(metadata);\r
 390 \r
 391             // Add comment to change set.\r
 392             CommentMetadata cm = graph.getMetadata(CommentMetadata.class);\r
 393             graph.addMetadata( cm.add("Synchronized " + metadata.getTypicals().size() + " typical diagram instances (" + metadata.getTypicals() + ") with their templates.") );\r
 394         }\r
 395 \r
 396         temporaryDiagram = null;\r
 397         syncCtx = null;\r
 398     }\r
 399 \r
 400     private Collection<Resource> findInstances(ReadGraph graph, Resource ofType, Collection<Resource> indexRoots) throws DatabaseException {\r
 401         Instances index = graph.adapt(ofType, Instances.class);\r
 402         Set<Resource> instances = new HashSet<>();\r
 403         for (Resource indexRoot : indexRoots)\r
 404             instances.addAll( index.find(graph, indexRoot) );\r
 405         return instances;\r
 406     }\r
 407 \r
 408     private void syncTemplate(WriteGraph graph, Resource template, Collection<Resource> indexRoots) throws DatabaseException {\r
 409         Resource templateType = graph.getPossibleType(template, DIA.Diagram);\r
 410         if (templateType == null)\r
 411             return;\r
 412 \r
 413         Collection<Resource> instances = findInstances(graph, templateType, indexRoots);\r
 414         // Do not include the template itself as it is also an instance of templateType\r
 415         instances.remove(template);\r
 416         if (instances.isEmpty())\r
 417             return;\r
 418 \r
 419         Set<Resource> templateElements = new THashSet<Resource>( graph.syncRequest(\r
 420                 new ObjectsWithType(template, L0.ConsistsOf, DIA.Element) ) );\r
 421 \r
 422         try {\r
 423             for (Resource instance : instances) {\r
 424                 this.temporaryDiagram.setHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE, instance);\r
 425                 syncInstance(graph, template, instance, templateElements);\r
 426             }\r
 427         } catch (Exception e) {\r
 428             LOGGER.error("Template synchronization failed.", e);\r
 429         } finally {\r
 430             this.temporaryDiagram.removeHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE);\r
 431         }\r
 432     }\r
 433 \r
 434     private void syncInstance(WriteGraph graph, Resource instance) throws DatabaseException {\r
 435         Resource template = graph.getPossibleObject(instance, MOD.HasDiagramSource);\r
 436         if (template == null)\r
 437             return;\r
 438 \r
 439         Set<Resource> templateElements = new THashSet<Resource>( graph.syncRequest(\r
 440                 new ObjectsWithType(template, L0.ConsistsOf, DIA.Element) ) );\r
 441 \r
 442         try {\r
 443             this.temporaryDiagram.setHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE, instance);\r
 444             syncInstance(graph, template, instance, templateElements);\r
 445         } finally {\r
 446             this.temporaryDiagram.removeHint(DiagramModelHints.KEY_DIAGRAM_RESOURCE);\r
 447         }\r
 448     }\r
 449     \r
 450     private Resource findInstanceCounterpart(ReadGraph graph, Resource instanceDiagram, Resource templateElement) throws DatabaseException {\r
 451         Map<String,Resource> children = graph.syncRequest(new UnescapedChildMapOfResource(instanceDiagram));\r
 452         for(Resource child : children.values()) {\r
 453                 if(graph.hasStatement(child, MOD.HasElementSource, templateElement)) return child;\r
 454         }\r
 455         return null;\r
 456     }\r
 457     \r
 458     private boolean isSynchronizedConnector(ReadGraph graph, Resource templateConnection, Resource instanceConnector) throws DatabaseException {\r
 459         DiagramResource DIA = DiagramResource.getInstance(graph);\r
 460         Resource instanceConnection = graph.getPossibleObject(instanceConnector, DIA.IsConnectorOf);\r
 461         return graph.hasStatement(instanceConnection, MOD.HasElementSource, templateConnection)\r
 462                         // If the master connection has been removed, this is all that's left\r
 463                         // to identify a connection that at least was originally synchronized\r
 464                         // from the typical master to this instance.\r
 465                         || graph.hasStatement(instanceConnection, MOD.IsTemplatized);\r
 466     }\r
 467 \r
 468     /**\r
 469      * Perform the following synchronization steps for the instance diagram:\r
 470      * <ol>\r
 471      * <li>remove such templatized elements from the instance diagram whose\r
 472      * template counterpart no longer exists</li>\r
 473      * <li>add elements to the instance diagram that are only in the template</li>\r
 474      * <li>synchronize elements of the instance diagram that have been deemed\r
 475      * changed</li>\r
 476      * </ol>\r
 477      * \r
 478      * @param graph database write access\r
 479      * @param template the synchronization source diagram\r
 480      * @param instance the synchronization target diagram\r
 481      * @param currentTemplateElements the set of all elements currently in the\r
 482      *        template diagram\r
 483      * @throws DatabaseException if anything goes wrong\r
 484      */\r
 485     private void syncInstance(WriteGraph graph, Resource template, Resource instance, Set<Resource> currentTemplateElements) throws DatabaseException {\r
 486 \r
 487         List<String> messageLog = getLog(graph, instance);\r
 488         \r
 489         messageLog.add("Synchronization of changed typical template: " + SyncTypicalTemplatesToInstances.safeNameAndType(graph, getDiagramNameResource(graph, template)));\r
 490         messageLog.add("----\n\ttypical instance: " + safeNameAndType(graph, getDiagramNameResource(graph, instance)));\r
 491 \r
 492         CommonDBUtils.selectClusterSet(graph, instance);\r
 493         \r
 494         // Form instance element <-> template element bijection\r
 495         TypicalInfoBean typicalInfoBean = graph.syncRequest(\r
 496                 new ReadTypicalInfo(instance),\r
 497                 TransientCacheListener.<TypicalInfoBean> instance());\r
 498         // Must be able to modify the typicalInfo structure,\r
 499         // therefore clone the query result.\r
 500         typicalInfoBean = (TypicalInfoBean) typicalInfoBean.clone();\r
 501         typicalInfoBean.templateElements = currentTemplateElements;\r
 502         typicalInfoBean.auxiliary = new HashMap<Object, Object>(1);\r
 503 \r
 504         TypicalInfo info = new TypicalInfo();\r
 505         info.monitor = monitor;\r
 506         info.messageLog = messageLog;\r
 507         info.bean = typicalInfoBean;\r
 508         \r
 509         // Resolve naming function for this typical instance.\r
 510         Resource compositeInstance = graph.getPossibleObject(instance, MOD.DiagramToComposite);\r
 511         if (compositeInstance != null) {\r
 512                 Function4<ReadGraph, Resource, Resource, String, String> namingFunction = TypicalUtil.getTypicalNamingFunction(graph, compositeInstance);\r
 513             if (namingFunction != null)\r
 514                 typicalInfoBean.auxiliary.put(AuxKeys.KEY_TYPICAL_NAMING_FUNCTION, namingFunction);\r
 515         }\r
 516 \r
 517         int dSizeAbs = Math.abs(typicalInfoBean.instanceElements.size() - currentTemplateElements.size());\r
 518 \r
 519         if(DEBUG)\r
 520                 System.out.println("typical <-> template mapping: " + typicalInfoBean.instanceToTemplate);\r
 521 \r
 522         // Find elements to be removed from instance by looking for all\r
 523         // instance elements that do not have a MOD.HasElementSource\r
 524         // relation but have a MOD.IsTemplatized tag.\r
 525         Set<Resource> instanceElementsRemovedFromTemplate = findInstanceElementsRemovedFromTemplate(\r
 526                 graph, info, new THashSet<Resource>(dSizeAbs));\r
 527 \r
 528         // Find elements in template that do not yet exist in the instance\r
 529         Set<Resource> templateElementsAddedToTemplate = findTemplateElementsMissingFromInstance(\r
 530                 graph, currentTemplateElements, info,\r
 531                 new THashSet<Resource>(dSizeAbs));\r
 532 \r
 533         Set<Resource> changedTemplateElements = changedElementsByDiagram.removeValues(template);\r
 534 \r
 535         if(DEBUG)\r
 536                 System.out.println("ADDED: " + templateElementsAddedToTemplate.size() + ", REMOVED: " + instanceElementsRemovedFromTemplate.size() + ", CHANGED: " + changedTemplateElements.size());\r
 537         \r
 538         // Validate\r
 539         for(Resource templateElement : graph.getObjects(template, L0.ConsistsOf)) {\r
 540                 if(graph.isInstanceOf(templateElement, DIA.RouteGraphConnection)) {\r
 541                         for(Resource connector : graph.getObjects(templateElement, DIA.HasConnector)) {\r
 542                                 for(Statement elementStm : graph.getStatements(connector, STR.Connects)) {\r
 543                                         Resource otherElement = elementStm.getObject(); \r
 544                                         if(!otherElement.equals(templateElement)) {\r
 545                                 Resource counterPartElement = findInstanceCounterpart(graph, instance, otherElement);\r
 546                                 if(counterPartElement != null) {\r
 547                                                 Resource diagramConnectionPoint = graph.getInverse(elementStm.getPredicate());\r
 548                                                 Resource connectionPoint = graph.getPossibleObject(diagramConnectionPoint, MOD.DiagramConnectionRelationToConnectionRelation);\r
 549                                                 if(connectionPoint != null) {\r
 550                                                         Statement stm = graph.getPossibleStatement(counterPartElement, diagramConnectionPoint);\r
 551                                         if(stm != null) {\r
 552                                                 if(graph.isInstanceOf(connectionPoint, L0.FunctionalRelation)) {\r
 553                                                         if(!isSynchronizedConnector(graph, templateElement, stm.getObject())) {\r
 554                                                                 messageLog.add("\t\tABORTED: tried to connect to an already connected terminal " + NameUtils.getSafeName(graph, counterPartElement) + " " + NameUtils.getSafeName(graph, connectionPoint));\r
 555                                                                 return;\r
 556                                                         }\r
 557                                                 }\r
 558                                                 }\r
 559                                                 }\r
 560                                 }\r
 561                                         }\r
 562                                 }\r
 563                         }\r
 564                 }\r
 565         }\r
 566         \r
 567         // Perform changes\r
 568         boolean changed = false;\r
 569         changed |= synchronizeDiagramChanges(graph, info, template, instance);\r
 570         changed |= removeElements(graph, info, instanceElementsRemovedFromTemplate);\r
 571         changed |= addMissingElements(graph, info, template, instance, templateElementsAddedToTemplate);\r
 572         changed |= synchronizeChangedElements(graph, info, template, instance, changedTemplateElements, templateElementsAddedToTemplate, changedElementsByDiagram == ALL);\r
 573 \r
 574         if (changed)\r
 575             metadata.addTypical(instance);\r
 576     }\r
 577 \r
 578     /**\r
 579      * Synchronize any configurable aspects of the typical diagram instance itself.\r
 580      * Every rule executed here comes from the ontology, nothing is fixed. \r
 581      * \r
 582      * @param graph\r
 583      * @param typicalInfo\r
 584      * @param template\r
 585      * @param instance\r
 586      * @return if any changes were made. \r
 587      * @throws DatabaseException\r
 588      */\r
 589     private boolean synchronizeDiagramChanges(\r
 590             WriteGraph graph,\r
 591             TypicalInfo typicalInfo,\r
 592             Resource template,\r
 593             Resource instance)\r
 594                     throws DatabaseException\r
 595     {\r
 596         boolean changed = false;\r
 597         for (Resource rule : graph.getObjects(template, MOD.HasTypicalSynchronizationRule)) {\r
 598             if (selectedRules != null && !selectedRules.contains(rule))\r
 599                 continue;\r
 600             ITypicalSynchronizationRule r = graph.getPossibleAdapter(rule, ITypicalSynchronizationRule.class);\r
 601             if (r != null)\r
 602                 changed |= r.synchronize(graph, template, instance, typicalInfo);\r
 603         }\r
 604         return changed;\r
 605     }\r
 606 \r
 607     /**\r
 608      * Add elements from template that do not yet exist in the instance.\r
 609      * \r
 610      * @param graph\r
 611      * @param template\r
 612      * @param instance\r
 613      * @param elementsAddedToTemplate\r
 614      * @return <code>true</code> if changes were made to the instance\r
 615      * @throws DatabaseException\r
 616      */\r
 617     private boolean addMissingElements(WriteGraph graph, TypicalInfo typicalInfo, Resource template,\r
 618             Resource instance, Set<Resource> elementsAddedToTemplate)\r
 619                     throws DatabaseException {\r
 620         if (elementsAddedToTemplate.isEmpty())\r
 621             return false;\r
 622 \r
 623         CopyAdvisor copyAdvisor = graph.syncRequest(new Adapter<CopyAdvisor>(instance, CopyAdvisor.class));\r
 624         this.temporaryDiagram.setHint(SynchronizationHints.COPY_ADVISOR, copyAdvisor);\r
 625 \r
 626         ElementObjectAssortment assortment = new ElementObjectAssortment(graph, elementsAddedToTemplate);\r
 627         if (copyMap == null)\r
 628             copyMap = new THashMap<Object, Object>();\r
 629         else\r
 630             copyMap.clear();\r
 631 \r
 632         if (DEBUG)\r
 633             System.out.println("ADD MISSING ELEMENTS: " + assortment);\r
 634 \r
 635         // initialCopyMap argument is needed for copying just connections\r
 636         // when their end-points are not copied at the same time.\r
 637 \r
 638         PasteOperation pasteOp = new PasteOperation(Commands.COPY,\r
 639                 (ICanvasContext) null, template, instance, temporaryDiagram,\r
 640                 assortment, false, new Point2D.Double(0, 0),\r
 641                 typicalInfo.bean.templateToInstance, copyMap)\r
 642         .options(PasteOperation.ForceCopyReferences.INSTANCE);\r
 643 \r
 644         new Paster(graph.getSession(), pasteOp).perform(graph);\r
 645 \r
 646         boolean changed = false;\r
 647 \r
 648         if(!elementsAddedToTemplate.isEmpty())\r
 649                 typicalInfo.messageLog.add("\tadded elements");\r
 650         \r
 651         for (Resource addedElement : elementsAddedToTemplate) {\r
 652             Resource copyElement = (Resource) copyMap.get(addedElement);\r
 653             if (copyElement != null) {\r
 654                 graph.claim(copyElement, MOD.IsTemplatized, MOD.IsTemplatized, copyElement);\r
 655                 graph.claim(copyElement, MOD.HasElementSource, MOD.ElementHasInstance, addedElement);\r
 656 \r
 657                 typicalInfo.bean.instanceElements.add(copyElement);\r
 658                 typicalInfo.bean.instanceToTemplate.put(copyElement, addedElement);\r
 659                 typicalInfo.bean.templateToInstance.put(addedElement, copyElement);\r
 660 \r
 661                 typicalInfo.messageLog.add("\t\t" + safeNameAndType(graph, copyElement));\r
 662 \r
 663                 changed = true;\r
 664             }\r
 665         }\r
 666 \r
 667         ModelingResources MOD = ModelingResources.getInstance(graph);\r
 668         Resource instanceComposite = graph.getPossibleObject(instance, MOD.DiagramToComposite);\r
 669         List<Resource> instanceComponents = new ArrayList<Resource>(elementsAddedToTemplate.size());\r
 670 \r
 671         // Post-process added elements after typicalInfo has been updated and\r
 672         // template mapping statements are in place.\r
 673         for (Resource addedElement : elementsAddedToTemplate) {\r
 674             Resource copyElement = (Resource) copyMap.get(addedElement);\r
 675             if (copyElement != null) {\r
 676                 postProcessAddedElement(graph, addedElement, copyElement, typicalInfo);\r
 677 \r
 678                 if (instanceComponents != null) {\r
 679                     // Gather all instance typical components for applying naming\r
 680                     // strategy on them.\r
 681                     Resource component = graph.getPossibleObject(copyElement, MOD.ElementToComponent);\r
 682                     if (component != null)\r
 683                         instanceComponents.add(component);\r
 684                 }\r
 685             }\r
 686         }\r
 687 \r
 688         if (instanceComposite != null)\r
 689             TypicalUtil.applySelectedModuleNames(graph, instanceComposite, instanceComponents);\r
 690 \r
 691         return changed;\r
 692     }\r
 693 \r
 694     private void postProcessAddedElement(WriteGraph graph,\r
 695             Resource addedTemplateElement, Resource addedInstanceElement,\r
 696             TypicalInfo typicalInfo) throws DatabaseException {\r
 697         if (graph.isInstanceOf(addedInstanceElement, DIA.Monitor)) {\r
 698             postProcessAddedMonitor(graph, addedTemplateElement, addedInstanceElement, typicalInfo);\r
 699         }\r
 700     }\r
 701 \r
 702     private void postProcessAddedMonitor(WriteGraph graph,\r
 703             Resource addedTemplateMonitor, Resource addedInstanceMonitor,\r
 704             TypicalInfo typicalInfo) throws DatabaseException {\r
 705         Resource monitor = addedInstanceMonitor;\r
 706         Resource monitoredComponent = graph.getPossibleObject(monitor, DIA.HasMonitorComponent);\r
 707         if (monitoredComponent != null) {\r
 708             Resource monitoredTemplateElement = graph.getPossibleObject(monitoredComponent, MOD.ComponentToElement);\r
 709             if (monitoredTemplateElement != null) {\r
 710                 Resource monitoredInstanceElement = typicalInfo.bean.templateToInstance.get(monitoredTemplateElement);\r
 711                 if (monitoredInstanceElement != null) {\r
 712                     Resource monitoredInstanceComponent = graph.getPossibleObject(monitoredInstanceElement, MOD.ElementToComponent);\r
 713                     if (monitoredInstanceComponent != null) {\r
 714                         // Ok, the monitor refers to a component within the\r
 715                         // template composite. Change it to refer to the\r
 716                         // instance composite.\r
 717                         graph.deny(monitor, DIA.HasMonitorComponent);\r
 718                         graph.claim(monitor, DIA.HasMonitorComponent, monitoredInstanceComponent);\r
 719                     }\r
 720                 }\r
 721             }\r
 722         }\r
 723     }\r
 724 \r
 725     private boolean removeElements(WriteGraph graph, TypicalInfo typicalInfo, Set<Resource> elementsRemovedFromTemplate) throws DatabaseException {\r
 726         if (elementsRemovedFromTemplate.isEmpty())\r
 727             return false;\r
 728 \r
 729         // Remove mapped elements from instance that are removed from the template.\r
 730         boolean changed = false;\r
 731         \r
 732         if(!elementsRemovedFromTemplate.isEmpty())\r
 733                 typicalInfo.messageLog.add("\tremoved elements");\r
 734         \r
 735         for (Resource removedElement : elementsRemovedFromTemplate) {\r
 736                 typicalInfo.messageLog.add("\t\t" + safeNameAndType(graph, removedElement));\r
 737 \r
 738             RemoverUtil.remove(graph, removedElement);\r
 739 \r
 740             typicalInfo.bean.instanceElements.remove(removedElement);\r
 741             Resource template = typicalInfo.bean.instanceToTemplate.remove(removedElement);\r
 742             if (template != null)\r
 743                 typicalInfo.bean.templateToInstance.remove(template);\r
 744 \r
 745             changed = true;\r
 746         }\r
 747         return changed;\r
 748     }\r
 749 \r
 750     private Set<Resource> findTemplateElementsMissingFromInstance(\r
 751             WriteGraph graph, Collection<Resource> currentTemplateElements,\r
 752             TypicalInfo typicalInfo, THashSet<Resource> result)\r
 753                   throws DatabaseException {\r
 754         for (Resource templateElement : currentTemplateElements) {\r
 755             Resource instanceElement = typicalInfo.bean.templateToInstance.get(templateElement);\r
 756             if (instanceElement == null) {\r
 757                 if(DEBUG)\r
 758                         System.out.println("No instance correspondence for template element " + NameUtils.getSafeName(graph, templateElement, true) + " => add");\r
 759                 result.add(templateElement);\r
 760             }\r
 761         }\r
 762         return result;\r
 763     }\r
 764 \r
 765     public Set<Resource> findInstanceElementsRemovedFromTemplate(\r
 766             ReadGraph graph, TypicalInfo typicalInfo,\r
 767             THashSet<Resource> result) throws DatabaseException {\r
 768         for (Resource instanceElement : typicalInfo.bean.instanceElements) {\r
 769             if (!typicalInfo.bean.instanceToTemplate.containsKey(instanceElement)) {\r
 770                 if (typicalInfo.bean.isTemplatized.contains(instanceElement)) {\r
 771                         if(DEBUG)\r
 772                                 System.out.println("Templatized typical instance element " + NameUtils.getSafeName(graph, instanceElement, true) + " has no correspondence in template => remove");\r
 773                     result.add(instanceElement);\r
 774                 }\r
 775             }\r
 776         }\r
 777         return result;\r
 778     }\r
 779 \r
 780     /**\r
 781      * Synchronize basic visual aspects of changed elements. For all elements,\r
 782      * transform and label are synchronized. Otherwise synchronization is\r
 783      * type-specific for connections, flags, monitors and svg elements.\r
 784      * \r
 785      * @param graph\r
 786      * @param typicalInfo\r
 787      * @param template\r
 788      * @param instance\r
 789      * @param changedTemplateElements\r
 790      * @param addedElements\r
 791      *            elements that have been added and thus need not be\r
 792      *            synchronized\r
 793      * @param synchronizeAllElements\r
 794      * @return\r
 795      * @throws DatabaseException\r
 796      */\r
 797     private boolean synchronizeChangedElements(WriteGraph graph,\r
 798             TypicalInfo typicalInfo, Resource template, Resource instance,\r
 799             Collection<Resource> changedTemplateElements,\r
 800             Set<Resource> addedElements,\r
 801             boolean synchronizeAllElements) throws DatabaseException {\r
 802 \r
 803         if (synchronizeAllElements) {\r
 804             // For unit testing purposes.\r
 805             changedTemplateElements = graph.syncRequest(new ObjectsWithType(template, L0.ConsistsOf, DIA.Element));\r
 806         }\r
 807 \r
 808         if (changedTemplateElements.isEmpty())\r
 809             return false;\r
 810 \r
 811         boolean changed = false;\r
 812 \r
 813         typicalInfo.messageLog.add("\telement change analysis");\r
 814         int analysisLogPosition = typicalInfo.messageLog.size();\r
 815 \r
 816         for (Resource changedTemplateElement : changedTemplateElements) {\r
 817             // Skip synchronization of elements that were just added and are\r
 818             // thus already synchronized.\r
 819             if (addedElements.contains(changedTemplateElement))\r
 820                 continue;\r
 821 \r
 822             Resource instanceElement = typicalInfo.bean.templateToInstance.get(changedTemplateElement);\r
 823             if (instanceElement == null) {\r
 824                 // There's an earlier problem in the sync process if this happens.\r
 825                 typicalInfo.messageLog.add("SKIPPING SYNC OF CHANGED TEMPLATE ELEMENT DUE TO MISSING INSTANCE: " + safeNameAndType(graph, getElementNameResource(graph, changedTemplateElement)));\r
 826                 continue;\r
 827             }\r
 828             \r
 829             typicalInfo.messageLog.add("\t\t" + elementName(graph, changedTemplateElement));\r
 830             int currentLogSize = typicalInfo.messageLog.size();\r
 831 \r
 832             changed |= InstanceOfRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 833             changed |= NameRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 834             changed |= TransformRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 835             changed |= LabelRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 836 \r
 837             Collection<Resource> types = graph.getTypes(changedTemplateElement);\r
 838             if (types.contains(DIA.RouteGraphConnection)) {\r
 839                 changed |= synchronizeConnection(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 840             } else if (types.contains(DIA.Flag)) {\r
 841                 changed |= FlagRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 842             } else if (types.contains(DIA.Monitor)) {\r
 843                 changed |= MonitorRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 844             } else if (types.contains(DIA.SVGElement)) {\r
 845                 changed |= SVGElementRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 846             }\r
 847 \r
 848             changed |= ProfileMonitorRule.INSTANCE.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 849             \r
 850             for (Resource rule : graph.getObjects(changedTemplateElement, MOD.HasTypicalSynchronizationRule)) {\r
 851                 if(selectedRules != null && !selectedRules.contains(rule)) continue;\r
 852                 ITypicalSynchronizationRule r = graph.getPossibleAdapter(rule, ITypicalSynchronizationRule.class);\r
 853                 if (r != null)\r
 854                     changed |= r.synchronize(graph, changedTemplateElement, instanceElement, typicalInfo);\r
 855             }\r
 856             \r
 857             // Show element only if something has happened\r
 858             if(currentLogSize == typicalInfo.messageLog.size())\r
 859                 typicalInfo.messageLog.remove(typicalInfo.messageLog.size()-1);\r
 860             \r
 861         }\r
 862 \r
 863         if (s2t != null)\r
 864             s2t.clear();\r
 865         if (t2s != null)\r
 866             t2s.clear();\r
 867 \r
 868         // Show analysis header only if something has happened\r
 869         if(analysisLogPosition == typicalInfo.messageLog.size())\r
 870                 typicalInfo.messageLog.remove(typicalInfo.messageLog.size()-1);\r
 871 \r
 872         return changed;\r
 873     }\r
 874 \r
 875     /**\r
 876      * Synchronizes two route graph connection topologies if and only if the\r
 877      * destination connection is not attached to any node elements besides\r
 878      * the ones that exist in the source. This means that connections that\r
 879      * have instance-specific connections to non-template nodes are ignored\r
 880      * here.\r
 881      * \r
 882      * @param graph\r
 883      * @param sourceConnection\r
 884      * @param targetConnection\r
 885      * @param typicalInfo\r
 886      * @return <code>true</code> if changes were made \r
 887      * @throws DatabaseException\r
 888      */\r
 889     private boolean synchronizeConnection(WriteGraph graph, Resource sourceConnection, Resource targetConnection, TypicalInfo typicalInfo)\r
 890             throws DatabaseException {\r
 891 \r
 892         if(DEBUG)\r
 893                 System.out.println("connection " + NameUtils.getSafeName(graph, sourceConnection, true) + " to target connection " + NameUtils.getSafeName(graph, targetConnection, true));\r
 894 \r
 895         boolean changed = false;\r
 896 \r
 897         // Initialize utilities and data maps\r
 898         s2t = newOrClear(s2t);\r
 899         t2s = newOrClear(t2s);\r
 900 \r
 901         if (cu == null)\r
 902             cu = new ConnectionUtil(graph);\r
 903 \r
 904         // 0.1. find mappings between source and target connection connectors\r
 905         Collection<Resource> targetConnectors = graph.getObjects(targetConnection, DIA.HasConnector);\r
 906         for (Resource targetConnector : targetConnectors) {\r
 907             Statement toNode = cu.getConnectedComponentStatement(targetConnection, targetConnector);\r
 908             if (toNode == null) {\r
 909                 // Corrupted target connection!\r
 910                 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
 911                 return false;\r
 912             }\r
 913 \r
 914             // Check that the target connections does not connect to\r
 915             // non-templatized elements before syncing.\r
 916             if (!graph.hasStatement(toNode.getObject(), MOD.IsTemplatized))\r
 917                 return false;\r
 918 \r
 919             //Resource templateNode = typicalInfo.instanceToTemplate.get(toNode.getObject());\r
 920             Resource templateNode = graph.getPossibleObject(toNode.getObject(), MOD.HasElementSource);\r
 921             if (templateNode != null) {\r
 922                 Resource isConnectedTo = graph.getPossibleInverse(toNode.getPredicate());\r
 923                 if (isConnectedTo != null) {\r
 924                     Resource templateConnector = graph.getPossibleObject(templateNode, isConnectedTo);\r
 925                     if (templateConnector != null) {\r
 926                         Resource connectionOfTemplateConnector = ConnectionUtil.tryGetConnection(graph, templateConnector);\r
 927                         if (sourceConnection.equals(connectionOfTemplateConnector)) {\r
 928                             s2t.put(templateConnector, targetConnector);\r
 929                             t2s.put(targetConnector, templateConnector);\r
 930 \r
 931                             if (DEBUG)\r
 932                                 System.out.println("Mapping connector "\r
 933                                         + NameUtils.getSafeName(graph, templateConnector, true)\r
 934                                         + " to " + NameUtils.getSafeName(graph, targetConnector, true));\r
 935                         }\r
 936                     }\r
 937                 }\r
 938             }\r
 939         }\r
 940 \r
 941         // 0.2. find mapping between source and target route lines\r
 942         Collection<Resource> sourceInteriorRouteNodes = graph.getObjects(sourceConnection, DIA.HasInteriorRouteNode);\r
 943         Collection<Resource> targetInteriorRouteNodes = graph.getObjects(targetConnection, DIA.HasInteriorRouteNode);\r
 944         Map<Resource, Paster.RouteLine> sourceToRouteLine = new THashMap<Resource, Paster.RouteLine>();\r
 945         Map<Resource, Paster.RouteLine> targetToRouteLine = new THashMap<Resource, Paster.RouteLine>();\r
 946 \r
 947         for (Resource source : sourceInteriorRouteNodes)\r
 948             sourceToRouteLine.put(source, Paster.readRouteLine(graph, source));\r
 949         for (Resource target : targetInteriorRouteNodes)\r
 950             targetToRouteLine.put(target, Paster.readRouteLine(graph, target));\r
 951 \r
 952         nextSourceLine:\r
 953             for (Iterator<Map.Entry<Resource, Paster.RouteLine>> sourceIt = sourceToRouteLine.entrySet().iterator(); !targetToRouteLine.isEmpty() && sourceIt.hasNext();) {\r
 954                 Map.Entry<Resource, Paster.RouteLine> sourceEntry = sourceIt.next();\r
 955                 Paster.RouteLine sourceLine = sourceEntry.getValue();\r
 956                 for (Iterator<Map.Entry<Resource, Paster.RouteLine>> targetIt = targetToRouteLine.entrySet().iterator(); targetIt.hasNext();) {\r
 957                     Map.Entry<Resource, Paster.RouteLine> targetEntry = targetIt.next();\r
 958                     if (sourceLine.equals(targetEntry.getValue())) {\r
 959                         s2t.put(sourceEntry.getKey(), targetEntry.getKey());\r
 960                         t2s.put(targetEntry.getKey(), sourceEntry.getKey());\r
 961                         sourceIt.remove();\r
 962                         targetIt.remove();\r
 963 \r
 964                         if (DEBUG)\r
 965                             System.out.println("Mapping routeline "\r
 966                                     + NameUtils.getSafeName(graph, sourceEntry.getKey(), true)\r
 967                                     + " - " + sourceEntry.getValue()\r
 968                                     + " to " + NameUtils.getSafeName(graph, targetEntry.getKey(), true)\r
 969                                     + " - " + targetEntry.getValue());\r
 970 \r
 971                         continue nextSourceLine;\r
 972                     }\r
 973                 }\r
 974             }\r
 975 \r
 976         if (DEBUG) {\r
 977             System.out.println("Take 1: Source to target route nodes map : " + s2t);\r
 978             System.out.println("Take 1: Target to source route nodes map : " + t2s);\r
 979         }\r
 980 \r
 981         // 1.1 remove excess connectors\r
 982         for (Resource targetConnector : targetConnectors) {\r
 983             if (!t2s.containsKey(targetConnector)) {\r
 984                 typicalInfo.messageLog.add("\t\t\tremove excess connector from target connection: " + NameUtils.getSafeName(graph, targetConnector));\r
 985                 cu.removeConnectionPart(targetConnector);\r
 986                 changed = true;\r
 987             }\r
 988         }\r
 989 \r
 990         // 1.2 add missing connectors to target\r
 991         Collection<Resource> sourceConnectors = graph.getObjects(sourceConnection, DIA.HasConnector);\r
 992         for (Resource sourceConnector : sourceConnectors) {\r
 993             if (!s2t.containsKey(sourceConnector)) {\r
 994                 Statement sourceIsConnectorOf = graph.getSingleStatement(sourceConnector, DIA.IsConnectorOf);\r
 995                 Statement connects = cu.getConnectedComponentStatement(sourceConnection, sourceConnector);\r
 996                 if (connects == null) {\r
 997                     // TODO: serious error!\r
 998                     throw new DatabaseException("ERROR: connector is astray, i.e. not connected to a node element: " + safeNameAndType(graph, sourceConnector));\r
 999                 }\r
1000                 Resource connectsInstanceElement = typicalInfo.bean.templateToInstance.get(connects.getObject());\r
1001                 if (connectsInstanceElement == null) {\r
1002                     // TODO: serious error!\r
1003                     throw new DatabaseException("ERROR: could not find instance element to which template element " + safeNameAndType(graph, connects.getObject()) + " is connected to");\r
1004                 }\r
1005                 Resource hasConnector = graph.getInverse(sourceIsConnectorOf.getPredicate());\r
1006 \r
1007                 Resource newTargetConnector = cu.newConnector(targetConnection, hasConnector);\r
1008                 graph.claim(newTargetConnector, connects.getPredicate(), connectsInstanceElement);\r
1009                 changed = true;\r
1010 \r
1011                 s2t.put(sourceConnector, newTargetConnector);\r
1012                 t2s.put(newTargetConnector, sourceConnector);\r
1013 \r
1014                 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
1015             }\r
1016         }\r
1017 \r
1018         // 2. sync route lines and their connectivity:\r
1019         // 2.1. assign correspondences in target for each source route line\r
1020         //      by reusing excess routelines in target and by creating new\r
1021         //      route lines.\r
1022 \r
1023         Resource[] targetRouteLines = targetToRouteLine.keySet().toArray(Resource.NONE);\r
1024         int targetRouteLine = targetRouteLines.length - 1;\r
1025 \r
1026         for (Iterator<Map.Entry<Resource, Paster.RouteLine>> sourceIt = sourceToRouteLine.entrySet().iterator(); sourceIt.hasNext();) {\r
1027             Map.Entry<Resource, Paster.RouteLine> sourceEntry = sourceIt.next();\r
1028             Resource source = sourceEntry.getKey();\r
1029             Paster.RouteLine sourceLine = sourceEntry.getValue();\r
1030 \r
1031             typicalInfo.messageLog.add("\t\t\tassign an instance-side routeline complement for " + NameUtils.getSafeName(graph, source, true) + " - " + sourceLine);\r
1032 \r
1033             // Assign target route line for source\r
1034             Resource target = null;\r
1035             if (targetRouteLine < 0) {\r
1036                 // by creating new route lines\r
1037                 target = cu.newRouteLine(targetConnection, sourceLine.getPosition(), sourceLine.isHorizontal());\r
1038                 typicalInfo.messageLog.add("\t\t\tcreate new route line " + NameUtils.getSafeName(graph, target));\r
1039                 changed = true;\r
1040             } else {\r
1041                 // by reusing existing route line\r
1042                 target = targetRouteLines[targetRouteLine--];\r
1043                 copyRouteLine(graph, source, target);\r
1044                 cu.disconnectFromAllRouteNodes(target);\r
1045                 typicalInfo.messageLog.add("\t\t\treused existing route line " + NameUtils.getSafeName(graph, target));\r
1046                 changed = true;\r
1047             }\r
1048             s2t.put(source, target);\r
1049             t2s.put(target, source);\r
1050 \r
1051             typicalInfo.messageLog.add("\t\t\tmapped source route line " + NameUtils.getSafeName(graph, source) + " to target route line " + NameUtils.getSafeName(graph, target));\r
1052         }\r
1053 \r
1054         if (targetRouteLine >= 0) {\r
1055                 typicalInfo.messageLog.add("\t\t\tremove excess route lines (" + (targetRouteLine + 1) + ") from target connection");\r
1056             for (; targetRouteLine >= 0; targetRouteLine--) {\r
1057                 typicalInfo.messageLog.add("\t\t\t\tremove excess route line: " + NameUtils.getSafeName(graph, targetRouteLines[targetRouteLine], true));\r
1058                 cu.removeConnectionPart(targetRouteLines[targetRouteLine]);\r
1059             }\r
1060         }\r
1061 \r
1062         if (DEBUG) {\r
1063             System.out.println("Take 2: Source to target route nodes map : " + s2t);\r
1064             System.out.println("Take 2: Target to source route nodes map : " + t2s);\r
1065         }\r
1066 \r
1067         // 2.2. Synchronize target connection topology (DIA.AreConnected)\r
1068         changed |= connectRouteNodes(graph, typicalInfo, sourceInteriorRouteNodes);\r
1069         changed |= connectRouteNodes(graph, typicalInfo, sourceConnectors);\r
1070 \r
1071         // 3. remove excess routelines & connectors from target connection\r
1072         changed |= cu.removeExtraInteriorRouteNodes(targetConnection) > 0;\r
1073         changed |= cu.removeUnusedConnectors(targetConnection) > 0;\r
1074 \r
1075         return changed;\r
1076     }\r
1077 \r
1078     private boolean connectRouteNodes(WriteGraph graph, TypicalInfo typicalInfo, Collection<Resource> sourceRouteNodes) throws DatabaseException {\r
1079         boolean changed = false;\r
1080         for (Resource src : sourceRouteNodes) {\r
1081             Resource dst = s2t.get(src);\r
1082             if (dst == null) {\r
1083                 throw new DatabaseException("TARGET ROUTE NODE == NULL FOR SRC: " + NameUtils.getSafeName(graph, src));\r
1084             }\r
1085 \r
1086             Collection<Resource> connectedToSrcs = graph.getObjects(src, DIA.AreConnected);\r
1087             Collection<Resource> connectedToDsts = graph.getObjects(dst, DIA.AreConnected);\r
1088 \r
1089             // Remove excess statements\r
1090             for (Resource connectedToDst : connectedToDsts) {\r
1091                 Resource connectedToSrc = t2s.get(connectedToDst);\r
1092                 if (connectedToSrc == null) {\r
1093                     throw new DatabaseException("CONNECTED TO SRC == NULL FOR DST: " + NameUtils.getSafeName(graph, connectedToDst));\r
1094                 }\r
1095                 if (connectedToSrc == null || !graph.hasStatement(src, DIA.AreConnected, connectedToSrc)) {\r
1096                     graph.deny(dst, DIA.AreConnected, DIA.AreConnected, connectedToDst);\r
1097                     changed = true;\r
1098                     typicalInfo.messageLog.add("\t\t\tdisconnected route nodes (" + NameUtils.getSafeName(graph, dst) + ", " + NameUtils.getSafeName(graph, connectedToDst) + ")");\r
1099                 }\r
1100             }\r
1101 \r
1102             // Add necessary statements\r
1103             for (Resource connectedToSrc : connectedToSrcs) {\r
1104                 Resource connectedToDst = s2t.get(connectedToSrc);\r
1105                 if (connectedToDst == null) {\r
1106                     throw new DatabaseException("CONNECTED TO DST == NULL FOR SRC: " + NameUtils.getSafeName(graph, connectedToSrc));\r
1107                 }\r
1108                 if (!graph.hasStatement(dst, DIA.AreConnected, connectedToDst)) {\r
1109                     graph.claim(dst, DIA.AreConnected, DIA.AreConnected, connectedToDst);\r
1110                     changed = true;\r
1111                     typicalInfo.messageLog.add("\t\t\tconnected route nodes (" + NameUtils.getSafeName(graph, dst) + ", " + NameUtils.getSafeName(graph, connectedToDst) + ")");\r
1112                 }\r
1113             }\r
1114         }\r
1115         return changed;\r
1116     }\r
1117 \r
1118     private void copyRouteLine(WriteGraph graph, Resource src, Resource tgt) throws DatabaseException {\r
1119         Double pos = graph.getPossibleRelatedValue(src, DIA.HasPosition, Bindings.DOUBLE);\r
1120         Boolean hor = graph.getPossibleRelatedValue(src, DIA.IsHorizontal, Bindings.BOOLEAN);\r
1121         if (pos == null)\r
1122             pos = 0.0;\r
1123         if (hor == null)\r
1124             hor = Boolean.TRUE;\r
1125         graph.claimLiteral(tgt, DIA.HasPosition, L0.Double, pos, Bindings.DOUBLE);\r
1126         graph.claimLiteral(tgt, DIA.IsHorizontal, L0.Boolean, hor, Bindings.BOOLEAN);\r
1127     }\r
1128 \r
1129     private static String safeNameAndType(ReadGraph graph, Resource r) throws DatabaseException {\r
1130         StringBuilder sb = new StringBuilder();\r
1131         sb.append(NameUtils.getSafeName(graph, r, true));\r
1132         sb.append(" : [");\r
1133         boolean first = true;\r
1134         for (Resource type : graph.getPrincipalTypes(r)) {\r
1135             if (!first)\r
1136                 sb.append(",");\r
1137             first = false;\r
1138             sb.append(NameUtils.getSafeName(graph, type, true));\r
1139         }\r
1140         sb.append("]");\r
1141         return sb.toString();\r
1142     }\r
1143 \r
1144     private static <K, V> Map<K, V> newOrClear(Map<K, V> current) {\r
1145         if (current == null)\r
1146             return new THashMap<K, V>();\r
1147         current.clear();\r
1148         return current;\r
1149     }\r
1150 \r
1151 }