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