org.simantics.interop.mapping/src/org/simantics/interop/mapping/Mapper.java

   1 package org.simantics.interop.mapping;\r
   2 \r
   3 import java.util.ArrayList;\r
   4 import java.util.Collection;\r
   5 import java.util.Iterator;\r
   6 import java.util.List;\r
   7 \r
   8 import org.eclipse.core.runtime.IProgressMonitor;\r
   9 import org.eclipse.core.runtime.NullProgressMonitor;\r
  10 import org.simantics.db.ReadGraph;\r
  11 import org.simantics.db.Resource;\r
  12 import org.simantics.db.Session;\r
  13 import org.simantics.db.VirtualGraph;\r
  14 import org.simantics.db.WriteGraph;\r
  15 import org.simantics.db.common.request.ReadRequest;\r
  16 import org.simantics.db.common.request.WriteRequest;\r
  17 import org.simantics.db.common.request.WriteResultRequest;\r
  18 import org.simantics.db.common.utils.NameUtils;\r
  19 import org.simantics.db.exception.DatabaseException;\r
  20 import org.simantics.db.exception.ServiceException;\r
  21 import org.simantics.db.layer0.util.SessionGarbageCollection;\r
  22 import org.simantics.db.request.Read;\r
  23 import org.simantics.interop.mapping.data.GraphNode;\r
  24 import org.simantics.interop.mapping.data.Identifiable;\r
  25 import org.simantics.interop.mapping.data.Link;\r
  26 import org.simantics.interop.mapping.data.ResourceIdentifiable;\r
  27 import org.simantics.ui.jobs.SessionGarbageCollectorJob;\r
  28 import org.simantics.utils.datastructures.MapList;\r
  29 import org.simantics.utils.datastructures.Pair;\r
  30 \r
  31 /**\r
  32  * \r
  33  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>\r
  34  *\r
  35  */\r
  36 public class Mapper {\r
  37         \r
  38         public static final boolean USE_SPLIT_TRANSACTIONS = false; // Split transactions\r
  39         public static int OBJECTS_PER_TRANSACTION = 5000;           // number of objects handled per transaction (split mode) \r
  40         private static boolean SLEEP_BETWEEN_WRITES = false;        // sleep between transactions (split mode)     \r
  41         private static int SLEEP_TIME = 10;                         // time to sleep (ms)\r
  42         private static boolean COLLECT_BETWEEN_WRITES = false;      // Run SessionGC between split transactions\r
  43         private static boolean COLLECT_WITHIN_TRANSACTIONS = true;  // Run Collect within transactions (both modes)\r
  44         public static int OBJECTS_BEFORE_COLLECT = 5000;            // number of objects that are handled before collect (non-split mode)\r
  45         \r
  46         private List<InitializedRule> initializedRules = new ArrayList<InitializedRule>();\r
  47         private List<Pair<IdentificationRule, Pair<Integer,GenerationRule>>> generationRules;\r
  48         private List<List<ModificationRule>> globalModificationRules;\r
  49         private List<List<Pair<IdentificationRule, ModificationRule>>> modificationRules;\r
  50         private List<Pair<ConnectionIdentificationRule, ConnectionGenerationRule>> connectionRules;\r
  51 \r
  52         int maxGenPass = 0;\r
  53         \r
  54         public Mapper() {\r
  55                 long maxMemory = Runtime.getRuntime().maxMemory();\r
  56                 maxMemory /= (1024*1024);                            // Convert to MB;\r
  57                 int use = 290;                                       // Estimated memory usage of the system\r
  58                 int freeMem = (int)maxMemory-use;                                        // Free memory for mappings    \r
  59                 OBJECTS_BEFORE_COLLECT = (freeMem * freeMem) / 1000; //600M heap -> 84, 3000M heap -> 5645\r
  60                 if (OBJECTS_BEFORE_COLLECT < 2)\r
  61                         OBJECTS_BEFORE_COLLECT = 2;\r
  62                 OBJECTS_PER_TRANSACTION = OBJECTS_BEFORE_COLLECT;\r
  63                 \r
  64                 \r
  65                 generationRules = new ArrayList<Pair<IdentificationRule,Pair<Integer,GenerationRule>>>();\r
  66                 modificationRules = new ArrayList<List<Pair<IdentificationRule,ModificationRule>>>();\r
  67                 globalModificationRules = new ArrayList<List<ModificationRule>>();\r
  68                 connectionRules = new ArrayList<Pair<ConnectionIdentificationRule, ConnectionGenerationRule>>();\r
  69         }\r
  70         \r
  71         public void addRule(int pass, IdentificationRule idRule, GenerationRule genRule) {\r
  72                 if (idRule == null || genRule == null) throw new NullPointerException();\r
  73                 generationRules.add(new Pair<IdentificationRule, Pair<Integer,GenerationRule>>(idRule, new Pair<Integer,GenerationRule>(pass,genRule)));\r
  74                 maxGenPass = Math.max(maxGenPass, pass);\r
  75                 if (genRule instanceof InitializedRule)\r
  76                         initializedRules.add((InitializedRule)genRule);\r
  77         }\r
  78         \r
  79         public void addRule(IdentificationRule idRule, MappingRule mappingRule) {\r
  80                 addRule(0,idRule,mappingRule);\r
  81         }\r
  82         \r
  83         public void addRule(int pass, IdentificationRule idRule, MappingRule mappingRule) {\r
  84                 if (idRule == null || mappingRule == null) throw new NullPointerException();\r
  85                 if (mappingRule instanceof ModificationRule) {\r
  86                         while (pass >= modificationRules.size()) {\r
  87                                 modificationRules.add(new ArrayList<Pair<IdentificationRule,ModificationRule>>());\r
  88                         }\r
  89                         List<Pair<IdentificationRule,ModificationRule>> priList = modificationRules.get(pass);\r
  90                         priList.add(new Pair<IdentificationRule, ModificationRule>(idRule, (ModificationRule)mappingRule));\r
  91                 }\r
  92                 if (mappingRule instanceof GenerationRule)\r
  93                         generationRules.add(new Pair<IdentificationRule, Pair<Integer,GenerationRule>>(idRule, new Pair<Integer,GenerationRule>(pass,(GenerationRule)mappingRule)));\r
  94                 if (mappingRule instanceof InitializedRule)\r
  95                         initializedRules.add((InitializedRule)mappingRule);\r
  96         }\r
  97         \r
  98         public void addRule(IdentificationRule idRule, ModificationRule... modRules) {\r
  99                 addRule(0, idRule, modRules);\r
 100         }\r
 101 \r
 102         public void addRule(int pass, IdentificationRule idRule, ModificationRule... modRules) {\r
 103                 if (idRule == null) throw new NullPointerException();\r
 104                 \r
 105                 while (pass >= modificationRules.size()) {\r
 106                         modificationRules.add(new ArrayList<Pair<IdentificationRule,ModificationRule>>());\r
 107                 }\r
 108                 List<Pair<IdentificationRule,ModificationRule>> priList = modificationRules.get(pass);\r
 109                 \r
 110                 for (ModificationRule modRule : modRules){\r
 111                         if (modRule == null) throw new NullPointerException();  \r
 112                         priList.add(new Pair<IdentificationRule, ModificationRule>(idRule, modRule));\r
 113                         if (modRule instanceof InitializedRule)\r
 114                                 initializedRules.add((InitializedRule)modRule);\r
 115                 }\r
 116         }\r
 117         public void addRule(ModificationRule modRule) {\r
 118                 addRule(0, modRule);\r
 119         }\r
 120         \r
 121         public void addRule(int pass, ModificationRule modRule) {\r
 122                 if (modRule == null) throw new NullPointerException();\r
 123                 while (pass >= globalModificationRules.size()) {\r
 124                         globalModificationRules.add(new ArrayList<ModificationRule>());\r
 125                 }\r
 126                 List<ModificationRule> priList = globalModificationRules.get(pass);\r
 127                 priList.add(modRule);\r
 128                 if (modRule instanceof InitializedRule)\r
 129                         initializedRules.add((InitializedRule)modRule);\r
 130         }\r
 131         \r
 132         public void addRule(ConnectionIdentificationRule idRule, ConnectionGenerationRule genRule) {\r
 133                 if (idRule == null || genRule == null) throw new NullPointerException();\r
 134                 connectionRules.add(new Pair<ConnectionIdentificationRule, ConnectionGenerationRule>(idRule, genRule));\r
 135                 if (genRule instanceof InitializedRule)\r
 136                         initializedRules.add((InitializedRule)genRule);\r
 137         }\r
 138         \r
 139         /**\r
 140          * Runs the mapping procedure. Disposes nodes after mapping is done.\r
 141          * @param g\r
 142          * @param model\r
 143          * @param nodes\r
 144          * @param monitor\r
 145          * @throws Exception\r
 146          */\r
 147         public void map(WriteGraph g, Resource model, Collection<GraphNode<Identifiable>> nodes, IProgressMonitor monitor) throws Exception {\r
 148                 startMapping(null);\r
 149                 try {\r
 150                         if (monitor == null)\r
 151                                 monitor = new NullProgressMonitor();\r
 152                         \r
 153                         for (InitializedRule rule : initializedRules)\r
 154                                 rule.initialize(g, model);\r
 155                         \r
 156                         applyModifications(g, nodes, monitor);\r
 157                         monitor.worked(1);\r
 158                         applyGenerations(g,nodes,monitor);\r
 159                         monitor.worked(1);\r
 160                         applyConnections(g,nodes,monitor);\r
 161                         monitor.worked(1);\r
 162                 } finally {\r
 163                         MappingTools.disposeNodes(nodes);\r
 164                         endMapping();\r
 165                 }\r
 166                 \r
 167         }\r
 168         \r
 169         /**\r
 170          * Runs the mapping procedure. Disposes nodes after mapping is done.\r
 171          * @param session\r
 172          * @param model\r
 173          * @param nodes\r
 174          * @param monitor\r
 175          * @throws Exception\r
 176          */\r
 177         public void map(Session session, Resource model, Collection<GraphNode<Identifiable>> nodes, IProgressMonitor monitor) throws Exception {\r
 178                 map(session, model, null, nodes, monitor);\r
 179         }\r
 180         \r
 181         /**\r
 182          * Runs the mapping procedure. Disposes nodes after mapping is done.\r
 183          * @param session\r
 184          * @param model\r
 185          * @param vg\r
 186          * @param nodes\r
 187          * @param monitor\r
 188          * @throws Exception\r
 189          */\r
 190         public void map(Session session, Resource model, VirtualGraph vg, Collection<GraphNode<Identifiable>> nodes, IProgressMonitor monitor) throws Exception {\r
 191                 startMapping(vg);\r
 192                 try {\r
 193                         long time = System.currentTimeMillis();\r
 194                         if (monitor == null)\r
 195                                 monitor = new NullProgressMonitor();\r
 196                         \r
 197                         initializeRules(session, vg, model);\r
 198                         if (USE_SPLIT_TRANSACTIONS) {\r
 199                                 applyModifications(session, nodes, monitor);\r
 200                                 monitor.worked(1);\r
 201                                 applyGenerations(session, vg, nodes, monitor);\r
 202                                 monitor.worked(1);\r
 203                                 applyConnections(session, vg, nodes, monitor);\r
 204                                 monitor.worked(1);\r
 205                         } else {\r
 206                                 applyModifications2(session, nodes, monitor);\r
 207                                 monitor.worked(1);\r
 208                                 applyGenerations2(session, vg, nodes, monitor);\r
 209                                 monitor.worked(1);\r
 210                                 applyConnections2(session, vg, nodes, monitor);\r
 211                                 monitor.worked(1);\r
 212                         }\r
 213                         long time2 = System.currentTimeMillis();\r
 214                         System.out.println("Mapping took " + ((time2-time)/1000) + " seconds");\r
 215                 } finally {\r
 216                         MappingTools.disposeNodes(nodes);\r
 217                         if (COLLECT_BETWEEN_WRITES) {\r
 218 \r
 219                                 SessionGarbageCollection.gc(null, session, true, null);\r
 220                         }\r
 221                         endMapping();\r
 222                 }\r
 223                 \r
 224         }\r
 225         \r
 226         \r
 227         //private boolean autosaveEndabled = false;\r
 228         private VirtualGraph vg;\r
 229         \r
 230         protected void startMapping(VirtualGraph vg) {\r
 231                  SessionGarbageCollectorJob.getInstance().setEnabled(false);\r
 232                  //autosaveEndabled = AutosaveCommands.getInstance().isEnabled();\r
 233                  //AutosaveCommands.getInstance().setEnabled(false);\r
 234                  this.vg = vg;\r
 235         }\r
 236         \r
 237         protected void endMapping() {\r
 238                  SessionGarbageCollectorJob.getInstance().setEnabled(true).scheduleAfterQuietTime();\r
 239                 // AutosaveCommands.getInstance().setEnabled(autosaveEndabled);\r
 240                  vg = null;\r
 241         }\r
 242         \r
 243         private void applyModifications(ReadGraph g, Collection<GraphNode<Identifiable>> nodes, IProgressMonitor monitor) throws Exception {\r
 244                 \r
 245                 // Apply global modification rules first\r
 246                 \r
 247                 int passCount = Math.max(globalModificationRules.size(),modificationRules.size());\r
 248 \r
 249                 for (int pass = 0; pass < passCount; pass++) {\r
 250                         if (globalModificationRules.size() > pass) {\r
 251                                 int count = 0;\r
 252                                 List<ModificationRule> modRules = globalModificationRules.get(pass);\r
 253                                 int size = modRules.size();\r
 254                                 monitor.subTask("Running global modification rules: pass (" + (pass+1) + "/" + passCount + "), rule ("+ (++count) + "/" + size + ")");\r
 255                                 for (ModificationRule r : modRules) {\r
 256                                         Collection<GraphNode<Identifiable>> ruleModified = r.modify(g, nodes);\r
 257                                         if (ruleModified == null)\r
 258                                                 continue;\r
 259                                         for (GraphNode<Identifiable> m : ruleModified) {\r
 260                                                 if (m.isDisposed()) {\r
 261                                                         nodes.remove(m);\r
 262                                                 }\r
 263                                                 else if (!nodes.contains(m)) {\r
 264                                                         nodes.add(m);\r
 265                                                 }\r
 266                                         }\r
 267                                         monitor.subTask("Running global modification rules: pass (" + (pass+1) + "/" + passCount + "), rule ("+ (++count) + "/" + size + ")");\r
 268                                         if(monitor.isCanceled()) {\r
 269                                                 throw new CancelException("Cancel requested.");\r
 270                                         }\r
 271                                         if (COLLECT_WITHIN_TRANSACTIONS)\r
 272                                                 collect(g);\r
 273                                 }\r
 274                         } if (modificationRules.size() > pass) {\r
 275                                 int count = 0;\r
 276                                 List<Pair<IdentificationRule, ModificationRule>> modRules = modificationRules.get(pass);\r
 277                                 int size = modRules.size();\r
 278                                 monitor.subTask("Running object modification rules: pass (" + (pass+1) + "/" + passCount + "), rule ("+ (++count) + "/" + size + ")");\r
 279                                 // Apply per object modification rules \r
 280                                 for (Pair<IdentificationRule, ModificationRule> modRule : modRules) {\r
 281                                         Collection<GraphNode<Identifiable>> ruleModified = new ArrayList<GraphNode<Identifiable>>();\r
 282                                         for (GraphNode<Identifiable> n : nodes) {\r
 283                                                 applyModifications(g, n, modRule, ruleModified);\r
 284                                                 if (COLLECT_WITHIN_TRANSACTIONS)\r
 285                                                         collect2(g);\r
 286                                         }\r
 287                                         \r
 288                                         for (GraphNode<Identifiable> m : ruleModified) {\r
 289                                                 if (m.isDisposed()) {\r
 290                                                         nodes.remove(m);\r
 291                                                 }\r
 292                                                 else if (!nodes.contains(m)) {\r
 293                                                         nodes.add(m);\r
 294                                                 }\r
 295                                         }\r
 296                                         monitor.subTask("Running object modification rules: pass (" + (pass+1) + "/" + passCount + "), rule ("+ (++count) + "/" + size + ")");\r
 297                                         if(monitor.isCanceled()) {\r
 298                                                 throw new CancelException("Cancel requested.");\r
 299                                         }\r
 300                                         \r
 301                                 }\r
 302                         }\r
 303                 }\r
 304                 \r
 305         }\r
 306         \r
 307         \r
 308         \r
 309         private void applyGenerations(WriteGraph graph, Collection<GraphNode<Identifiable>> nodes, IProgressMonitor monitor) throws Exception {\r
 310                 \r
 311                 int size = nodes.size();\r
 312                 int count = 0;\r
 313                 monitor.subTask("Assigning generation rules ("+ count + "/" + size + ")");\r
 314                 // populate generation rules\r
 315                 for (GraphNode<Identifiable> n : nodes) {\r
 316                         \r
 317                         for (Pair<IdentificationRule,Pair<Integer,GenerationRule>> r : generationRules) {\r
 318                                 if (r.first.matches(graph, n)) {\r
 319                                         MappingTools.assignGenerationRule(n, r.second.first,r.second.second);\r
 320                                 }\r
 321                         }\r
 322                         monitor.subTask("Assigning generation rules ("+ (++count) + "/" + size + ")");\r
 323                         if(monitor.isCanceled()) {\r
 324                                 throw new CancelException("Cancel requested.");\r
 325                         }\r
 326                         if (COLLECT_WITHIN_TRANSACTIONS)\r
 327                                 collect2(graph);\r
 328                 }\r
 329                 \r
 330                 count = 0;\r
 331                 monitor.subTask("Generating objects ("+ count + "/" + size + ")");\r
 332                 \r
 333                 // apply generation rules.\r
 334                 //WriteWrapper g  = new WriteWrapper(graph);\r
 335                 \r
 336                 //Collection<GenerationRule> usedRules = new ArrayList<GenerationRule>();\r
 337                 for (int stage = 0; stage <= maxGenPass; stage++) {\r
 338                         count = 0;\r
 339                         for (GraphNode<Identifiable> n : nodes) {\r
 340 \r
 341                                 MapList<Integer,GenerationRule> priRules = n.getHint(MappingHints.KEY_GENERATION_RULES);\r
 342                                 List<GenerationRule> rules = priRules.getValues(stage);\r
 343                                 for (GenerationRule r : rules) {\r
 344                                         r.generate(graph, n);\r
 345                                 }\r
 346 \r
 347                                 monitor.subTask("Generating objects, stage " + stage + " :  ("+ (++count) + "/" + size + ")");\r
 348                                 if(monitor.isCanceled()) {\r
 349                                         throw new CancelException("Cancel requested.");\r
 350                                 }\r
 351                                 if (COLLECT_WITHIN_TRANSACTIONS)\r
 352                                         collect2(graph);\r
 353                         }\r
 354                 }\r
 355         }\r
 356         \r
 357         private void applyConnections(WriteGraph g, Collection<GraphNode<Identifiable>> nodes, IProgressMonitor monitor) throws Exception {\r
 358                 int size = nodes.size();\r
 359                 int count = 0;\r
 360                 \r
 361                 monitor.subTask("Generating connections ("+ count + "/" + size + ")");\r
 362                 \r
 363                 for (GraphNode<Identifiable> node : nodes) {\r
 364                         applyConnections(g, node);\r
 365                         monitor.subTask("Generating connections ("+ (++count) + "/" + size + ")");\r
 366                         if(monitor.isCanceled()) {\r
 367                                 throw new CancelException("Cancel requested.");\r
 368                         }\r
 369                         if (COLLECT_WITHIN_TRANSACTIONS)\r
 370                                 collect2(g);\r
 371                 }\r
 372         }\r
 373         \r
 374         \r
 375         \r
 376         protected String getName(ReadGraph g, Identifiable res) throws DatabaseException {\r
 377                 if (res instanceof ResourceIdentifiable)\r
 378                         return NameUtils.getSafeName(g, ((ResourceIdentifiable)res).getResource());\r
 379                 else\r
 380                         return res.toString();\r
 381         }\r
 382         \r
 383         public class WriteWrapper extends WriteGraphProxy {\r
 384                 \r
 385                 \r
 386                 private Collection<Resource> createdResources = new ArrayList<Resource>();\r
 387                 \r
 388                 public WriteWrapper(WriteGraph graph) {\r
 389                         super(graph);\r
 390                 }\r
 391                 \r
 392                 public Collection<Resource> getCreatedResources() {\r
 393                         return createdResources;\r
 394                 }\r
 395                 \r
 396                 public void clearCreated() {\r
 397                         createdResources = new ArrayList<Resource>();\r
 398                 }\r
 399                 \r
 400                 @Override\r
 401                 public Resource newResource() throws ServiceException {\r
 402                         Resource res = graph.newResource();\r
 403                         createdResources.add(res);\r
 404                         return res;\r
 405                 }\r
 406                 \r
 407                 @Override\r
 408                 public Resource newResource(long clusterId) throws ServiceException {\r
 409                         Resource res = graph.newResource(clusterId);\r
 410                         createdResources.add(res);\r
 411                         return res;\r
 412                 }\r
 413                 \r
 414                 \r
 415         }\r
 416         \r
 417         private void initializeRules(Session session, VirtualGraph vg, final Resource model ) throws DatabaseException{\r
 418                 session.syncRequest(new WriteRequest(vg) {\r
 419                         @Override\r
 420                         public void perform(WriteGraph g) throws DatabaseException {\r
 421                                 for (InitializedRule rule : initializedRules)\r
 422                                         rule.initialize(g, model);\r
 423                                 \r
 424                         }\r
 425                 });\r
 426                 \r
 427         }\r
 428                 \r
 429         private void collect(ReadGraph g) throws DatabaseException {\r
 430                 if (vg != null)\r
 431                         return;\r
 432                 SessionGarbageCollection.gc(g, 0, -1);\r
 433         }\r
 434         \r
 435         int collect = 0;\r
 436         \r
 437         private void collect2(ReadGraph g) throws DatabaseException {\r
 438                 if (vg != null)\r
 439                         return;\r
 440                 \r
 441                 if (collect == OBJECTS_BEFORE_COLLECT) {\r
 442                         SessionGarbageCollection.gc(g, 0, -1);\r
 443                         collect = 0;\r
 444                 } else {\r
 445                         collect++;\r
 446                 }\r
 447         }\r
 448         \r
 449         private void applyModifications(Session session, final Collection<GraphNode<Identifiable>> nodes, final IProgressMonitor monitor) throws Exception {\r
 450                 \r
 451                 \r
 452                 \r
 453                 int passCount = Math.max(globalModificationRules.size(),modificationRules.size());\r
 454                 \r
 455                 for (int pass = 0; pass <passCount; pass++) {\r
 456                         // Apply global modification rules first\r
 457                         if (globalModificationRules.size() > pass) {\r
 458                                 int count = 0;\r
 459                                 List<ModificationRule> modRules = globalModificationRules.get(pass);\r
 460                                 int size = modRules.size();\r
 461                                 monitor.subTask("Running global modification rules: pass (" + (pass+1) + "/" + passCount + "), rule ("+ (++count) + "/" + size + ")");\r
 462                                 for (final ModificationRule r : modRules) {\r
 463                                         session.syncRequest(new ReadRequest() {\r
 464                                                 \r
 465                                                 @Override\r
 466                                                 public void run(ReadGraph g) throws DatabaseException {\r
 467                                                         try {\r
 468                                                                 Collection<GraphNode<Identifiable>> ruleModified = r.modify(g, nodes);\r
 469                                                                 \r
 470                                                                 if (ruleModified == null)\r
 471                                                                         return;\r
 472                                                                 for (GraphNode<Identifiable> m : ruleModified) {\r
 473                                                                         if (m.isDisposed()) {\r
 474                                                                                 nodes.remove(m);\r
 475                                                                         }\r
 476                                                                         else if (!nodes.contains(m)) {\r
 477                                                                                 nodes.add(m);\r
 478                                                                         }\r
 479                                                                 }\r
 480                                                                 if (COLLECT_WITHIN_TRANSACTIONS)\r
 481                                                                         collect(g);\r
 482                                                         } catch (Exception e) {\r
 483                                                                 throw new DatabaseException(e);\r
 484                                                         }\r
 485                                                         \r
 486                                                 }\r
 487                                         });\r
 488                                         //SessionGarbageCollection.gc(null, session, true, null);\r
 489                                         monitor.subTask("Running global modification rules: pass (" + (pass+1) + "/" + passCount + "), rule ("+ (++count) + "/" + size + ")");\r
 490                                         if(monitor.isCanceled()) {\r
 491                                                 throw new CancelException("Cancel requested.");\r
 492                                         }\r
 493                                 }\r
 494                         }\r
 495                         if (modificationRules.size() > pass) {\r
 496                                 int count = 0;\r
 497                                 List<Pair<IdentificationRule, ModificationRule>> modRules = modificationRules.get(pass);\r
 498                                 int size = modRules.size();\r
 499                                 monitor.subTask("Running object modification rules: pass (" + (pass+1) + "/" + passCount + "), rule ("+ (++count) + "/" + size + ")");\r
 500                                 \r
 501                                 // Apply per object modification rules \r
 502                                 for (final Pair<IdentificationRule, ModificationRule> modRule : modRules) {\r
 503                                         final Iterator<GraphNode<Identifiable>> iter = nodes.iterator();\r
 504                                         final Collection<GraphNode<Identifiable>> ruleModified = new ArrayList<GraphNode<Identifiable>>();\r
 505                                         while (iter.hasNext()) {\r
 506                                                 session.syncRequest(new ReadRequest() {\r
 507                                                         \r
 508                                                         @Override\r
 509                                                         public void run(ReadGraph g) throws DatabaseException {\r
 510                                                                 try {\r
 511                                                                         \r
 512                                                                         int j = 0; \r
 513                                                                         //for (GraphNode<Identifiable> n : nodes) {\r
 514                                                                         while (iter.hasNext() && j < OBJECTS_PER_TRANSACTION) {\r
 515                                                                                 GraphNode<Identifiable> n = iter.next();\r
 516                                                                                 applyModifications(g, n, modRule, ruleModified);\r
 517                                                                                 j++;\r
 518                                                                         }\r
 519                                                                         if (COLLECT_WITHIN_TRANSACTIONS)\r
 520                                                                                 collect(g);\r
 521                                                                         \r
 522                                                                 } catch (Exception e) {\r
 523                                                                         throw new DatabaseException(e);\r
 524                                                                 }\r
 525                                                                 \r
 526                                                         }\r
 527                                                 });\r
 528                                         }\r
 529                                         for (GraphNode<Identifiable> m : ruleModified) {\r
 530                                                 if (m.isDisposed()) {\r
 531                                                         nodes.remove(m);\r
 532                                                 }\r
 533                                                 else if (!nodes.contains(m)) {\r
 534                                                         nodes.add(m);\r
 535                                                 }\r
 536                                         }\r
 537                                         ruleModified.clear();\r
 538                                         \r
 539                                         //SessionGarbageCollection.gc(null, session, true, null);\r
 540                                         monitor.subTask("Running object modification rules: pass (" + (pass+1) + "/" + passCount + "), rule ("+ (++count) + "/" + size + ")");\r
 541                                         if(monitor.isCanceled()) {\r
 542                                                 throw new CancelException("Cancel requested.");\r
 543                                         }\r
 544                                 }\r
 545                         }       \r
 546                 }\r
 547                 \r
 548         }\r
 549         \r
 550         private void applyModifications2(Session session, final Collection<GraphNode<Identifiable>> nodes, final IProgressMonitor monitor) throws Exception {\r
 551                 session.syncRequest(new ReadRequest() {\r
 552                         \r
 553                         @Override\r
 554                         public void run(ReadGraph g) throws DatabaseException {\r
 555                                 try {\r
 556                                         applyModifications(g, nodes, monitor);\r
 557                                 } catch (Exception e) {\r
 558                                         throw new DatabaseException(e);\r
 559                                 }\r
 560                                 \r
 561                         }\r
 562                 });\r
 563         }\r
 564         \r
 565         private void applyGenerations(Session session, VirtualGraph vg, Collection<GraphNode<Identifiable>> nodes, IProgressMonitor monitor) throws Exception {\r
 566                 \r
 567                 int size = nodes.size();\r
 568                 int count = 0;\r
 569                 monitor.subTask("Assigning generation rules ("+ count + "/" + size + ")");\r
 570                 // populate generation rules\r
 571 \r
 572                 {\r
 573                         final Iterator<GraphNode<Identifiable>> iter = nodes.iterator();\r
 574                         while (iter.hasNext()) {\r
 575                                 int c = session.syncRequest(new Read<Integer>() {\r
 576                                         \r
 577                                         @Override\r
 578                                         public Integer perform(ReadGraph graph)\r
 579                                                         throws DatabaseException {\r
 580                                                 int j = 0;\r
 581                                                 while (iter.hasNext() && j < OBJECTS_PER_TRANSACTION) {\r
 582                                                         GraphNode<Identifiable> n = iter.next();\r
 583                                                         for (Pair<IdentificationRule,Pair<Integer,GenerationRule>> r : generationRules) {\r
 584                                                                 if (r.first.matches(graph, n)) {\r
 585                                                                         MapList<Integer,GenerationRule> rules = n.getHint(MappingHints.KEY_GENERATION_RULES);\r
 586                                                                         if (rules == null) {\r
 587                                                                                 rules = new MapList<Integer,GenerationRule>();  \r
 588                                                                         }\r
 589                                                                         rules.add(r.second.first,r.second.second);\r
 590                                                                         n.setHint(MappingHints.KEY_GENERATION_RULES, rules);\r
 591                                                                 }\r
 592                                                         }\r
 593                                                         j++;\r
 594                                                 }\r
 595                                                 if (COLLECT_WITHIN_TRANSACTIONS)\r
 596                                                         collect(graph);\r
 597                                                 return j;\r
 598                                                 \r
 599                                         }\r
 600                                 });\r
 601                                 collect(session);\r
 602                                 monitor.subTask("Assigning generation rules ("+ (count+=c) + "/" + size + ")");\r
 603                                 if(monitor.isCanceled()) {\r
 604                                         throw new CancelException("Cancel requested.");\r
 605                                 }\r
 606                                 sleep();\r
 607                         }\r
 608                 }\r
 609                 \r
 610                 count = 0;\r
 611                 monitor.subTask("Generating objects ("+ (count) + "/" + size + ")");\r
 612                 \r
 613                 // apply generation rules.\r
 614                 \r
 615                 {\r
 616                         for (int stage = 0; stage <= maxGenPass; stage++) {\r
 617                                 final int fStage = stage;\r
 618                                 count = 0;\r
 619                                 final Iterator<GraphNode<Identifiable>> iter = nodes.iterator();\r
 620                                 while (iter.hasNext()) {\r
 621                                         int c = session.syncRequest(new WriteResultRequest<Integer>(vg) {\r
 622                                                 \r
 623                                                 @Override\r
 624                                                 public Integer perform(WriteGraph graph) throws DatabaseException {\r
 625                                                         int j = 0;\r
 626                                                         try {\r
 627                                                                 while (iter.hasNext() && j < OBJECTS_PER_TRANSACTION) {\r
 628                                                                         GraphNode<Identifiable> n = iter.next();\r
 629                                                                         \r
 630                                                                         MapList<Integer,GenerationRule> priRules = n.getHint(MappingHints.KEY_GENERATION_RULES);\r
 631                                                                         if (priRules == null) {\r
 632                                                                                 j++;\r
 633                                                                                 continue;\r
 634                                                                         }\r
 635                                                                         final List<GenerationRule> rules = priRules.getValues(fStage);\r
 636                                                                         \r
 637                                                                         if (fStage == 0 && rules.size() == 0)\r
 638                                                                                 System.out.println();\r
 639                                                                         for (GenerationRule r : rules) {\r
 640                                                                                 r.generate(graph, n);\r
 641 \r
 642                                                                         }\r
 643 \r
 644                                                                                 \r
 645                                                                         j++;\r
 646                                                                         \r
 647                                                                 }\r
 648                                                                 if (COLLECT_WITHIN_TRANSACTIONS)\r
 649                                                                         collect(graph);\r
 650                                                                 return j;\r
 651                                                         \r
 652                                                 } catch (Exception e) {\r
 653                                                         throw new DatabaseException(e);\r
 654                                                 }\r
 655                                         }});\r
 656                                         collect(session);\r
 657                                         monitor.subTask("Generating objects, stage " + stage + " :  ("+ (count+=c) + "/" + size + ")");\r
 658                                         if(monitor.isCanceled()) {\r
 659                                                 throw new CancelException("Cancel requested.");\r
 660                                         }\r
 661                                         sleep();\r
 662                                 }\r
 663                         }\r
 664                 }\r
 665         }\r
 666         \r
 667         private void applyGenerations2(Session session, VirtualGraph vg, final Collection<GraphNode<Identifiable>> nodes, final IProgressMonitor monitor) throws Exception {\r
 668                 session.syncRequest(new WriteRequest(vg) {\r
 669                         \r
 670                         @Override\r
 671                         public void perform(WriteGraph graph) throws DatabaseException {\r
 672                                 try {\r
 673                                         applyGenerations(graph, nodes, monitor);\r
 674                                 } catch (Exception e) {\r
 675                                         throw new DatabaseException(e);\r
 676                                 }\r
 677                                 \r
 678                         }\r
 679                 });\r
 680         }\r
 681         \r
 682         private void collect(Session session) {\r
 683                 if (COLLECT_BETWEEN_WRITES)\r
 684                         SessionGarbageCollection.gc(null, session, true, null);\r
 685         }\r
 686         \r
 687         \r
 688         private void sleep() {\r
 689                 if (SLEEP_BETWEEN_WRITES) {\r
 690                         try {\r
 691                                 Thread.sleep(SLEEP_TIME);\r
 692                         } catch (InterruptedException e) {\r
 693                                 \r
 694                         }\r
 695                 }\r
 696         }\r
 697         \r
 698         private void applyConnections(Session session, VirtualGraph vg, Collection<GraphNode<Identifiable>> nodes, IProgressMonitor monitor) throws Exception {\r
 699                 int size = nodes.size();\r
 700                 int count = 0;\r
 701                 \r
 702                 monitor.subTask("Generating connections ("+ count + "/" + size + ")");\r
 703                 \r
 704                 final Iterator<GraphNode<Identifiable>> iter = nodes.iterator();\r
 705                 while (iter.hasNext()) {\r
 706                         int c = session.syncRequest(new WriteResultRequest<Integer>(vg) {\r
 707                                 \r
 708                                 @Override\r
 709                                 public Integer perform(WriteGraph g) throws DatabaseException {\r
 710                                         int j = 0;\r
 711                                         try {\r
 712                                                 while (iter.hasNext() && j < OBJECTS_PER_TRANSACTION) {\r
 713                                                         GraphNode<Identifiable> node = iter.next();\r
 714                                                         applyConnections(g, node);\r
 715                                                         j++;\r
 716                                                 }\r
 717                                                 if (COLLECT_WITHIN_TRANSACTIONS)\r
 718                                                         collect(g);\r
 719                                                 return j;\r
 720                                                 \r
 721                                         } catch (Exception e) {\r
 722                                                 throw new DatabaseException(e);\r
 723                                         }       \r
 724                                 }       \r
 725                         });\r
 726                         collect(session);\r
 727                         monitor.subTask("Generating connections ("+ (count+=c) + "/" + size + ")");\r
 728                         if(monitor.isCanceled()) {\r
 729                                 throw new CancelException("Cancel requested.");\r
 730                         }\r
 731                         sleep();\r
 732                 }\r
 733         }\r
 734         \r
 735         private void applyConnections2(Session session, VirtualGraph vg, final Collection<GraphNode<Identifiable>> nodes, final IProgressMonitor monitor) throws Exception {\r
 736                 session.syncRequest(new WriteRequest(vg) {\r
 737                         \r
 738                         @Override\r
 739                         public void perform(WriteGraph graph) throws DatabaseException {\r
 740                                 try {\r
 741                                         applyConnections(graph, nodes, monitor);\r
 742                                 } catch (Exception e) {\r
 743                                         throw new DatabaseException(e);\r
 744                                 }\r
 745                                 \r
 746                         }\r
 747                 });\r
 748         }\r
 749 \r
 750         private void applyModifications(ReadGraph g, GraphNode<Identifiable> n, Pair<IdentificationRule, ModificationRule> modRule, Collection<GraphNode<Identifiable>> ruleModified) throws Exception {\r
 751                 if (!n.isDisposed() && modRule.first.matches(g, n)) { // we have to check \r
 752                         Collection<GraphNode<Identifiable>> perRule = new ArrayList<GraphNode<Identifiable>>();\r
 753                         perRule.add(n);\r
 754                         ruleModified.addAll(modRule.second.modify(g, perRule));\r
 755                 }\r
 756         }\r
 757         \r
 758         private void applyConnections(WriteGraph g, GraphNode<Identifiable> node) throws Exception {\r
 759                 for (Link<Identifiable> link : node.getLinks()) {\r
 760                         if (link.isMain()) {\r
 761                                 \r
 762                                 for (Pair<ConnectionIdentificationRule, ConnectionGenerationRule> r : connectionRules) {\r
 763                                         if (r.first.mathces(g, node, link.to(), link)) {\r
 764                                                 Logger.defaultLogInfo("Connecting " +  getName(g, node.getData()) + " to " + getName(g, link.to().getData()) + " " + link.getName() + "/"+link.getInverseName());\r
 765                                                 r.second.generate(g, node, link.to(), link);\r
 766                                                 break;\r
 767                                         }\r
 768                                 }\r
 769                         }\r
 770                 }\r
 771         }\r
 772 }\r