bundles/org.simantics.structural2/src/org/simantics/structural2/Functions.java

   1 package org.simantics.structural2;
   2
   3
   4 import java.util.ArrayList;
   5 import java.util.Collection;
   6 import java.util.Collections;
   7 import java.util.HashSet;
   8 import java.util.List;
   9 import java.util.Map;
  10 import java.util.Set;
  11
  12 import org.simantics.databoard.Bindings;
  13 import org.simantics.databoard.Datatypes;
  14 import org.simantics.databoard.adapter.AdaptException;
  15 import org.simantics.databoard.binding.Binding;
  16 import org.simantics.databoard.binding.error.BindingException;
  17 import org.simantics.databoard.binding.error.DatatypeConstructionException;
  18 import org.simantics.databoard.type.Datatype;
  19 import org.simantics.databoard.util.URIStringUtils;
  20 import org.simantics.db.Issue;
  21 import org.simantics.db.ReadGraph;
  22 import org.simantics.db.Resource;
  23 import org.simantics.db.Statement;
  24 import org.simantics.db.WriteGraph;
  25 import org.simantics.db.common.issue.StandardIssue;
  26 import org.simantics.db.common.procedure.adapter.TransientCacheAsyncListener;
  27 import org.simantics.db.common.procedure.adapter.TransientCacheListener;
  28 import org.simantics.db.common.request.ObjectsWithType;
  29 import org.simantics.db.common.request.PossibleIndexRoot;
  30 import org.simantics.db.common.request.PossibleObjectWithType;
  31 import org.simantics.db.common.request.ResourceRead;
  32 import org.simantics.db.common.uri.UnescapedChildMapOfResource;
  33 import org.simantics.db.exception.DatabaseException;
  34 import org.simantics.db.layer0.function.All;
  35 import org.simantics.db.layer0.function.StandardChildDomainChildren;
  36 import org.simantics.db.layer0.request.PropertyInfo;
  37 import org.simantics.db.layer0.request.PropertyInfoRequest;
  38 import org.simantics.db.layer0.request.VariableRead;
  39 import org.simantics.db.layer0.variable.AbstractChildVariable;
  40 import org.simantics.db.layer0.variable.AbstractPropertyVariable;
  41 import org.simantics.db.layer0.variable.LazyPropertyVariable;
  42 import org.simantics.db.layer0.variable.NodeSupport;
  43 import org.simantics.db.layer0.variable.StandardGraphChildVariable;
  44 import org.simantics.db.layer0.variable.StandardGraphPropertyVariable;
  45 import org.simantics.db.layer0.variable.ValueAccessor;
  46 import org.simantics.db.layer0.variable.ValueAccessorWithBinding;
  47 import org.simantics.db.layer0.variable.Variable;
  48 import org.simantics.db.layer0.variable.VariableMap;
  49 import org.simantics.db.layer0.variable.VariableMapImpl;
  50 import org.simantics.db.layer0.variable.VariableNode;
  51 import org.simantics.db.service.CollectionSupport;
  52 import org.simantics.issues.common.IssueUtils;
  53 import org.simantics.layer0.Layer0;
  54 import org.simantics.scl.reflection.annotations.SCLValue;
  55 import org.simantics.scl.runtime.SCLContext;
  56 import org.simantics.scl.runtime.function.Function1;
  57 import org.simantics.simulation.ontology.SimulationResource;
  58 import org.simantics.simulator.variable.NodeManager;
  59 import org.simantics.structural.stubs.StructuralResource2;
  60 import org.simantics.structural2.procedural.Component;
  61 import org.simantics.structural2.procedural.ConnectionPoint;
  62 import org.simantics.structural2.procedural.Interface;
  63 import org.simantics.structural2.procedural.SubstructureElement;
  64 import org.simantics.structural2.procedural.Terminal;
  65 import org.simantics.structural2.queries.ConnectionComponents;
  66 import org.simantics.structural2.queries.ConnectionJoinComponents;
  67 import org.simantics.structural2.queries.ConnectionPointMapOfResource;
  68 import org.simantics.structural2.queries.PossibleConnectionPointInfo;
  69 import org.simantics.structural2.scl.CompileStructuralValueRequest;
  70 import org.simantics.structural2.scl.procedural.CompileProceduralComponentTypeRequest;
  71 import org.simantics.structural2.utils.StructuralUtils.StructuralComponentClass;
  72 import org.simantics.structural2.variables.Connection;
  73 import org.simantics.structural2.variables.StandardProceduralChildVariable;
  74 import org.simantics.utils.datastructures.MapList;
  75
  76 import gnu.trove.map.hash.THashMap;
  77
  78 public class Functions {
  79
  80         @SCLValue(type="ValueAccessor")
  81         public static final ValueAccessor expressionValueAccessor = new ValueAccessorWithBinding() {
  82
  83                 public Binding getBinding() {
  84                         return Bindings.STRING;
  85                 }
  86
  87                 @Override
  88                 public void setValue(WriteGraph graph, Variable context, Object value)
  89                                 throws DatabaseException {
  90                         if(value == null) {
  91                                 if(getValue(graph, context) != null)
  92                                         clearExpression(graph, context);
  93                                 return;
  94                         }
  95
  96                         // Get all necessary data
  97                         String expression = (String)value;
  98                         Variable parent = context.getParent(graph);
  99                         if(!(parent instanceof AbstractPropertyVariable)) return;
 100                         AbstractPropertyVariable property = (AbstractPropertyVariable)parent;
 101                         Resource propertyResource = property.getRepresents(graph);
 102                         if(propertyResource == null) return;
 103                         Resource container = property.getContainerResource(graph);
 104                         if(container == null) return;
 105                         Resource predicate = property.getPossiblePredicateResource(graph);
 106                         if(predicate == null) return;
 107                         Statement stat = graph.getPossibleStatement(container, predicate);
 108                         StructuralResource2 STR = StructuralResource2.getInstance(graph);
 109
 110                         // Write
 111                         boolean createNew = false;
 112                         if(stat.isAsserted(container))
 113                                 createNew = true;
 114                         else if(!graph.isInstanceOf(propertyResource, STR.SCLValue)) {
 115                                 graph.deny(propertyResource);
 116                                 createNew = true;
 117                         }
 118             Layer0 L0 = Layer0.getInstance(graph);
 119                         if(createNew) {
 120                                 propertyResource = graph.newResource();
 121                                 graph.claim(container, predicate, propertyResource);
 122                                 graph.claim(propertyResource, L0.InstanceOf, STR.SCLValue);
 123                         }
 124                         graph.claimLiteral(propertyResource, L0.SCLValue_expression, expression, Bindings.STRING);
 125                 }
 126
 127                 private void clearExpression(WriteGraph graph, Variable context) throws DatabaseException {
 128                         Variable parent = context.getParent(graph);
 129                         if(!(parent instanceof AbstractPropertyVariable)) return;
 130                         AbstractPropertyVariable property = (AbstractPropertyVariable)parent;
 131                         Resource container = property.getContainerResource(graph);
 132                         if(container == null) return;
 133                         Resource predicate = property.getPossiblePredicateResource(graph);
 134                         if(predicate == null) return;
 135                         graph.deny(container, predicate);
 136                 }
 137
 138                 @Override
 139                 public Object getValue(ReadGraph graph, Variable context)
 140                                 throws DatabaseException {
 141                         Variable parent = context.getParent(graph);
 142                         if(!(parent instanceof AbstractPropertyVariable))
 143                                 return null;
 144                         AbstractPropertyVariable property = (AbstractPropertyVariable)parent;
 145                         Resource propertyResource = property.getPossibleRepresents(graph);
 146                         if(propertyResource == null) return null;
 147                         StructuralResource2 STR = StructuralResource2.getInstance(graph);
 148                         if(!graph.isInstanceOf(propertyResource, STR.SCLValue))
 149                                 return null;
 150             Layer0 L0 = Layer0.getInstance(graph);
 151                         return graph.getPossibleRelatedValue(propertyResource, L0.SCLValue_expression);
 152                 }
 153
 154         };
 155
 156         @SCLValue(type="ValueAccessor")
 157         public static final ValueAccessor connectionValueAccessor = new ValueAccessor() {
 158
 159                 @Override
 160                 public void setValue(WriteGraph graph, Variable context, Object value) throws DatabaseException {
 161                         throw new UnsupportedOperationException();
 162                 }
 163
 164                 public void setValue(WriteGraph graph, Variable context, Object value, Binding binding) throws DatabaseException {
 165                         throw new UnsupportedOperationException();
 166                 }
 167
 168                 public Object getValue(ReadGraph graph, Variable context, Binding binding) throws DatabaseException {
 169             try {
 170                 Object value = getValue(graph, context);
 171                 Binding srcBinding = Bindings.OBJECT.getContentBinding(value);
 172                                 return Bindings.adapt(value, srcBinding, binding);
 173                         } catch (AdaptException e) {
 174                                 throw new DatabaseException(e);
 175                         } catch (BindingException e) {
 176                                 throw new DatabaseException(e);
 177                         }
 178                 }
 179
 180                 @Override
 181                 public Object getValue(ReadGraph graph, Variable context) throws DatabaseException {
 182                         StandardGraphPropertyVariable variable = (StandardGraphPropertyVariable)context;
 183                         return new ConnectionImpl(context.getParent(graph), variable.property.predicate);
 184                 }
 185
 186                 @Override
 187                 public Datatype getDatatype(ReadGraph graph, Variable context) throws DatabaseException {
 188                         try {
 189                                 return Datatypes.getDatatype(Connection.class);
 190                         } catch (DatatypeConstructionException e) {
 191                                 throw new DatabaseException(e);
 192                         }
 193                 }
 194
 195         };
 196
 197
 198         @SCLValue(type = "VariableMap")
 199         public static VariableMap structuralChildDomainProperties = new VariableMapImpl() {
 200
 201                 public Variable getPossibleConnectionPointFromContext(ReadGraph graph, Variable variable, Resource context, String name) throws DatabaseException {
 202
 203                         Map<String, PropertyInfo> connectionPoints = graph.syncRequest(new ConnectionPointMapOfResource(graph, context), TransientCacheAsyncListener.<Map<String,PropertyInfo>>instance());
 204                         PropertyInfo cp = connectionPoints.get(name);
 205                         if(cp == null) return null;
 206                         else return new StandardGraphPropertyVariable(graph, variable, cp.predicate);
 207
 208                 }
 209
 210                 public Map<String, Variable> collectConnectionPointsFromContext(ReadGraph graph, StructuralResource2 STR, Variable variable, Resource context, Map<String, Variable> map, boolean needSynchronized) throws DatabaseException {
 211
 212                         if(graph.isImmutable(context)) {
 213
 214                                 Map<String, PropertyInfo> cps = graph.syncRequest(new ConnectionPointMapOfResource(graph, context), TransientCacheAsyncListener.<Map<String,PropertyInfo>>instance());
 215                                 if(cps.size() == 0) return map;
 216
 217                                 if(map == null) map = new THashMap<String,Variable>(cps.size());
 218
 219                                 for(Map.Entry<String, PropertyInfo> entry : cps.entrySet()) {
 220                                         String name = entry.getKey();
 221                                         PropertyInfo cp = entry.getValue();
 222                                         if(needSynchronized && !graph.isInstanceOf(cp.predicate, STR.SynchronizedConnectionRelation)) continue;
 223                                         map.put(name, new StandardGraphPropertyVariable(graph, variable, cp.predicate));
 224                                 }
 225
 226                                 return map;
 227
 228                         } else {
 229
 230                                 Collection<Resource> predicates = graph.getPredicates(context);
 231
 232                                 for(Resource predicate : predicates) {
 233
 234                                         PropertyInfo info = graph.isImmutable(predicate) ?
 235                                                         graph.syncRequest(new PossibleConnectionPointInfo(predicate), TransientCacheAsyncListener.<PropertyInfo>instance()) :
 236                                                                 graph.syncRequest(new PossibleConnectionPointInfo(predicate));
 237
 238                                         if(info != null) {
 239                                                 if(map == null) map = new THashMap<String,Variable>(4);
 240                                                 if(needSynchronized && !graph.isInstanceOf(predicate, STR.SynchronizedConnectionRelation)) continue;
 241                                                 map.put(info.name, new StandardGraphPropertyVariable(graph, variable, predicate));
 242                                         }
 243
 244                                 }
 245
 246                                 return map;
 247
 248                         }
 249
 250                 }
 251
 252                 @Override
 253                 public Variable getVariable(ReadGraph graph, Variable context, String name) throws DatabaseException {
 254                 final StandardGraphChildVariable variable = (StandardGraphChildVariable)context;
 255                 Variable cp = getPossibleConnectionPointFromContext(graph, variable, variable.resource, name);
 256                 if(cp != null) return cp;
 257             return All.getStandardChildDomainPropertyVariable(graph, context, name);
 258                 }
 259
 260                 @Override
 261                 public Map<String, Variable> getVariables(ReadGraph graph, Variable context, Map<String, Variable> map) throws DatabaseException {
 262                 StandardGraphChildVariable variable = (StandardGraphChildVariable)context;
 263                 StructuralResource2 STR = StructuralResource2.getInstance(graph);
 264                 map = collectConnectionPointsFromContext(graph, STR, variable, variable.resource, map, false);
 265             return All.getStandardChildDomainPropertyVariables(graph, context, map);
 266                 }
 267
 268                 public Map<String,Variable> getVariables(ReadGraph graph, Variable context, String classification, Map<String,Variable> map) throws DatabaseException {
 269                         if (StructuralResource2.URIs.SynchronizedRelation.equals(classification)) {
 270                                 return All.getStandardChildDomainPropertyVariables(graph, context, classification, map);
 271                         } else if (StructuralResource2.URIs.SynchronizedConnectionRelation.equals(classification)) {
 272                         StandardGraphChildVariable variable = (StandardGraphChildVariable)context;
 273                         return collectConnectionPointsFromContext(graph, StructuralResource2.getInstance(graph), variable, variable.resource, map, true);
 274                         } else if(StructuralResource2.URIs.ConnectionRelation.equals(classification)) {
 275                         StandardGraphChildVariable variable = (StandardGraphChildVariable)context;
 276                         return collectConnectionPointsFromContext(graph, StructuralResource2.getInstance(graph), variable, variable.resource, map, false);
 277                         }
 278                         return super.getVariables(graph, context, classification, map);
 279                 }
 280
 281         };
 282
 283         static class StructuralRunContext extends ResourceRead<Resource> {
 284
 285                 public StructuralRunContext(Resource resource) {
 286                         super(resource);
 287                 }
 288
 289                 @Override
 290                 public Resource perform(ReadGraph graph) throws DatabaseException {
 291
 292                         Layer0 L0 = Layer0.getInstance(graph);
 293                         SimulationResource SIMU = SimulationResource.getInstance(graph);
 294                         Resource model = graph.sync(new PossibleIndexRoot(resource));
 295                         if(graph.isInstanceOf(model, L0.RVIContext)) {
 296                                 return model;
 297                         }
 298                         Resource configuration = graph.getPossibleObject(model, SIMU.HasConfiguration);
 299                         if(configuration != null) {
 300                                 if(graph.isInstanceOf(configuration, L0.RVIContext)) {
 301                                         return configuration;
 302                                 }
 303                         }
 304
 305                         return null;
 306
 307                 }
 308
 309         }
 310
 311         private static class SubstructureRequest extends VariableRead<List<SubstructureElement>> {
 312             public SubstructureRequest(Variable context) {
 313             super(context);
 314         }
 315
 316         @Override
 317         public List<SubstructureElement> perform(ReadGraph graph) {
 318             try {
 319                 Resource type = variable.getPossibleType(graph);
 320                 if(type == null)
 321                     return null;
 322                 return CompileProceduralComponentTypeRequest.compileAndEvaluate(graph, type, variable);
 323             } catch (Throwable t) {
 324                 t.printStackTrace();
 325                 return null;
 326             }
 327         }
 328         }
 329
 330     public static List<SubstructureElement> getProceduralDesc(ReadGraph graph, final Variable context) throws DatabaseException {
 331         StructuralResource2 STR = StructuralResource2.getInstance(graph);
 332         final Resource type = context.getPossibleType(graph);
 333         if(type != null) {
 334             if(graph.isInstanceOf(type, STR.ProceduralComponentType)) {
 335                 return graph.syncRequest(new SubstructureRequest(context));
 336             }
 337         }
 338         return null;
 339     }
 340
 341          public static Map<String,Variable> getProcedural(ReadGraph graph, Variable context, List<SubstructureElement> elements, Map<String,Variable> map) throws DatabaseException {
 342
 343          if(map == null) map = new THashMap<String,Variable>();
 344
 345          MapList<String,org.simantics.structural2.procedural.Connection> conns = new MapList<String,org.simantics.structural2.procedural.Connection>();
 346          for(SubstructureElement sub : elements) {
 347              if(sub instanceof org.simantics.structural2.procedural.Connection) {
 348                  org.simantics.structural2.procedural.Connection conn = (org.simantics.structural2.procedural.Connection)sub;
 349                  for(ConnectionPoint cp : conn.connectionPoints) {
 350                      if(cp instanceof Terminal) {
 351                          Terminal t = (Terminal)cp;
 352                          conns.add(t.component, conn);
 353                      }
 354                  }
 355              }
 356          }
 357
 358          Map<String,Component> proceduralChildren = new THashMap<String, Component>();
 359          for(SubstructureElement sub : elements) {
 360              if(sub instanceof Component) {
 361                  Component comp = (Component)sub;
 362                  proceduralChildren.put(comp.name, comp);
 363              }
 364          }
 365
 366          Collection<Object> nodeChildren = All.getPossibleNodeChildren(graph, (AbstractChildVariable)context);
 367          Set<String> used = new HashSet<String>(nodeChildren.size());
 368          for(Object nodeChild : nodeChildren) {
 369              @SuppressWarnings("rawtypes")
 370              NodeSupport support = ((AbstractChildVariable)context).node.support;
 371              @SuppressWarnings("rawtypes")
 372              NodeManager manager = support.manager;
 373              @SuppressWarnings("unchecked")
 374              String name = manager.getName(nodeChild);
 375              used.add(name);
 376              Component proceduralChild = proceduralChildren.get(name);
 377              if(proceduralChild != null) {
 378                  map.put(proceduralChild.name, new StandardProceduralChildVariable(graph, context, new VariableNode(support, nodeChild), proceduralChild.name, proceduralChild.type, proceduralChild.properties, conns.getValues(proceduralChild.name)));
 379              }
 380          }
 381
 382          for(Map.Entry<String, Component> entry : proceduralChildren.entrySet()) {
 383              String name = entry.getKey();
 384              if(used.contains(name)) continue;
 385              Component proceduralChild = entry.getValue();
 386              map.put(proceduralChild.name, new StandardProceduralChildVariable(graph, context, null, proceduralChild.name, proceduralChild.type, proceduralChild.properties, conns.getValues(proceduralChild.name)));
 387          }
 388
 389          return map;
 390
 391      }
 392
 393          private static class ProceduralSubstructureRequest extends VariableRead<Map<String,Variable>> {
 394
 395              public ProceduralSubstructureRequest(Variable variable) {
 396                  super(variable);
 397              }
 398
 399              @Override
 400              public Map<String, Variable> perform(ReadGraph graph)
 401                      throws DatabaseException {
 402                  List<SubstructureElement> elements = getProceduralDesc(graph, variable);
 403                  if(elements != null)
 404                      return getProcedural(graph, variable, elements, null);
 405                  else
 406                      return null;
 407              }
 408          }
 409
 410         public static class StructuralTypeOverrideMap extends ResourceRead<Map<Resource,Resource>> {
 411
 412                 protected StructuralTypeOverrideMap(Resource composite) {
 413                         super(composite);
 414                 }
 415
 416                 @Override
 417                 public Map<Resource, Resource> perform(ReadGraph graph) throws DatabaseException {
 418
 419                         Layer0 L0 = Layer0.getInstance(graph);
 420
 421                         StructuralResource2 STR = StructuralResource2.getInstance(graph);
 422
 423                         CollectionSupport cs = graph.getService(CollectionSupport.class);
 424
 425                         Map<Resource,Resource> result = null;
 426
 427                         for(Resource override : graph.getObjects(resource, STR.HasTypeOverride)) {
 428                                 Resource original = graph.getSingleObject(override, STR.TypeOverride_HasOriginalType);
 429                                 Resource replacement = graph.getSingleObject(override, STR.TypeOverride_HasReplacementType);
 430                                 if(result == null) result = cs.createMap(Resource.class);
 431                                 result.put(original, replacement);
 432                         }
 433
 434                         if(result == null) return Collections.emptyMap();
 435
 436                         return result;
 437
 438                 }
 439
 440         }
 441
 442         public static class StructuralOverrideData {
 443                 @Override
 444                 public int hashCode() {
 445                         final int prime = 31;
 446                         int result = 1;
 447                         result = prime * result + ((actualRepresents == null) ? 0 : actualRepresents.hashCode());
 448                         result = prime * result + ((actualType == null) ? 0 : actualType.hashCode());
 449                         result = prime * result + ((overrideType == null) ? 0 : overrideType.hashCode());
 450                         return result;
 451                 }
 452                 @Override
 453                 public boolean equals(Object obj) {
 454                         if (this == obj)
 455                                 return true;
 456                         if (obj == null)
 457                                 return false;
 458                         if (getClass() != obj.getClass())
 459                                 return false;
 460                         StructuralOverrideData other = (StructuralOverrideData) obj;
 461                         if (actualRepresents == null) {
 462                                 if (other.actualRepresents != null)
 463                                         return false;
 464                         } else if (!actualRepresents.equals(other.actualRepresents))
 465                                 return false;
 466                         if (actualType == null) {
 467                                 if (other.actualType != null)
 468                                         return false;
 469                         } else if (!actualType.equals(other.actualType))
 470                                 return false;
 471                         if (overrideType == null) {
 472                                 if (other.overrideType != null)
 473                                         return false;
 474                         } else if (!overrideType.equals(other.overrideType))
 475                                 return false;
 476                         return true;
 477                 }
 478                 Resource actualRepresents;
 479                 Resource actualType;
 480                 Resource overrideType;
 481                 public StructuralOverrideData(Resource actualRepresents, Resource actualType, Resource overrideType) {
 482                         this.actualRepresents = actualRepresents;
 483                         this.actualType = actualType;
 484                         this.overrideType = overrideType;
 485                 }
 486
 487                 public static StructuralOverrideData compute(ReadGraph graph, Variable context) throws DatabaseException {
 488                         return graph.syncRequest(new StructuralOverrideDataRequest(context));
 489                 }
 490
 491                 public Resource type() {
 492                         if(overrideType != null)
 493                                 return overrideType;
 494                         return actualType;
 495                 }
 496
 497                 public Resource represents() {
 498                         return actualRepresents;
 499                 }
 500
 501         }
 502
 503         public static class StructuralOverrideDataRequest extends VariableRead<StructuralOverrideData> {
 504
 505                 public StructuralOverrideDataRequest(Variable component) {
 506                         super(component);
 507                 }
 508
 509                 public StructuralOverrideData walk(ReadGraph graph, Variable component, Resource actualRepresents, Resource actualType) throws DatabaseException {
 510                 Resource represents = component.getPossibleRepresents(graph);
 511                 if(represents != null) {
 512                         Layer0 L0 = Layer0.getInstance(graph);
 513                         StructuralResource2 STR = StructuralResource2.getInstance(graph);
 514                         Resource container = graph.syncRequest(new PossibleObjectWithType(represents, L0.PartOf, STR.Composite));
 515                         if(container != null) {
 516                         Map<Resource,Resource> overrides = graph.syncRequest(new StructuralTypeOverrideMap(container));
 517                         Resource override = overrides.get(actualType);
 518                         if(override != null) {
 519                                 return new StructuralOverrideData(actualRepresents, actualType, override);
 520                         }
 521                         }
 522                 }
 523                 Variable parent = component.getParent(graph);
 524                 if(parent == null) return new StructuralOverrideData(actualRepresents, actualType, null);
 525                 else return walk(graph, parent, represents, actualType);
 526                 }
 527
 528                 @Override
 529                 public StructuralOverrideData perform(ReadGraph graph) throws DatabaseException {
 530
 531                 Resource represents = variable.getPossibleRepresents(graph);
 532                 if(represents == null) {
 533                         String uri = variable.getPossiblePropertyValue(graph, "typeURI");
 534                         if(uri != null) {
 535                                 Resource actualType = graph.syncRequest(new org.simantics.db.common.primitiverequest.Resource(uri), TransientCacheAsyncListener.<Resource>instance());
 536                                 return walk(graph, variable, null, actualType);
 537                         }
 538                         throw new DatabaseException("No type for " + variable.getURI(graph));
 539                 } else {
 540                         return walk(graph, variable, represents, graph.getPossibleType(represents, Layer0.getInstance(graph).Entity));
 541                 }
 542
 543                 }
 544
 545         }
 546
 547
 548         @SCLValue(type = "VariableMap")
 549         public static VariableMap structuralChildDomainChildren = new VariableMapImpl() {
 550
 551                 @Override
 552                 public Variable getVariable(ReadGraph graph, Variable context, String name) throws DatabaseException {
 553
 554                         Resource type = context.getPossibleType(graph);
 555                         if(type == null) return null;
 556
 557                         StructuralComponentClass clazz = StructuralComponentClass.get(graph, type);
 558                         if(StructuralComponentClass.PROCEDURAL.equals(clazz)) {
 559                     Map<String,Variable> map = graph.syncRequest(new ProceduralSubstructureRequest(context),
 560                         TransientCacheListener.<Map<String,Variable>>instance());
 561                     if(map != null) return map.get(name);
 562                     return null;
 563                         } else if (StructuralComponentClass.DEFINED.equals(clazz)) {
 564                                 StructuralResource2 STR = StructuralResource2.getInstance(graph);
 565                                 Resource def = graph.getSingleObject(type, STR.IsDefinedBy);
 566                 Map<String, Resource> children = graph.syncRequest(new UnescapedChildMapOfResource(def));
 567                 Resource child = children.get(name);
 568                 if(child == null) return null;
 569                 return StandardChildDomainChildren.getStandardChildDomainChildVariable(graph, context, child, name);
 570                         } else {
 571                                 Resource represents = context.getPossibleRepresents(graph);
 572                                 if(represents == null) return null;
 573                 Map<String, Resource> children = graph.syncRequest(new UnescapedChildMapOfResource(represents));
 574                 Resource child = children.get(name);
 575                 return StandardChildDomainChildren.getStandardChildDomainChildVariable(graph, context, child, name);
 576                         }
 577
 578                 }
 579
 580                 @Override
 581                 public Map<String, Variable> getVariables(ReadGraph graph, Variable context, Map<String, Variable> map) throws DatabaseException {
 582
 583                         Resource type = context.getPossibleType(graph);
 584                         if(type == null) return null;
 585
 586                         StructuralComponentClass clazz = StructuralComponentClass.get(graph, type);
 587                         if(StructuralComponentClass.PROCEDURAL.equals(clazz)) {
 588                 Map<String,Variable> mapPrime = graph.syncRequest(new ProceduralSubstructureRequest(context),
 589                                 TransientCacheListener.<Map<String,Variable>>instance());
 590                 if(mapPrime != null) {
 591                         if(map != null) {
 592                                 map.putAll(mapPrime);
 593                                 return map;
 594                         }
 595                         else
 596                                 return mapPrime;
 597                 }
 598                 return map;
 599                         } else if (StructuralComponentClass.DEFINED.equals(clazz)) {
 600                                 StructuralResource2 STR = StructuralResource2.getInstance(graph);
 601                                 Resource def = graph.getSingleObject(type, STR.IsDefinedBy);
 602                 Map<String, Resource> children = graph.syncRequest(new UnescapedChildMapOfResource(def));
 603                 return StandardChildDomainChildren.getStandardChildDomainChildVariables(graph, context, children, map);
 604                         } else {
 605                                 Resource represents = context.getPossibleRepresents(graph);
 606                                 if(represents == null) return null;
 607                 Map<String, Resource> children = graph.syncRequest(new UnescapedChildMapOfResource(represents));
 608                 return StandardChildDomainChildren.getStandardChildDomainChildVariables(graph, context, children, map);
 609                         }
 610
 611                 }
 612
 613         };
 614
 615         @SCLValue(type = "VariableMap")
 616         public static VariableMap structuralRunDomainChildren = new VariableMapImpl() {
 617
 618                 @Override
 619                 public Variable getVariable(ReadGraph graph, Variable context, String name) throws DatabaseException {
 620                         Resource ctx = graph.syncRequest(new StructuralRunContext(context.getRepresents(graph)));
 621                         if(ctx == null) return null;
 622                     Map<String, Resource> children = graph.syncRequest(new UnescapedChildMapOfResource(ctx));
 623                         Resource child = children.get(name);
 624             return StandardChildDomainChildren.getStandardChildDomainChildVariable(graph, context, child, name);
 625                 }
 626
 627                 @Override
 628                 public Map<String, Variable> getVariables(ReadGraph graph, Variable context, Map<String, Variable> map) throws DatabaseException {
 629                         Resource ctx = graph.syncRequest(new StructuralRunContext(context.getRepresents(graph)));
 630                         if(ctx == null) return map;
 631                     Map<String, Resource> children = graph.syncRequest(new UnescapedChildMapOfResource(ctx));
 632                     return StandardChildDomainChildren.getStandardChildDomainChildVariables(graph, context, children, map);
 633                 }
 634
 635         };
 636
 637         @SCLValue(type = "ReadGraph -> [Resource] -> [Resource]")
 638     public static List<Resource> connectionExtension(ReadGraph graph, List<Resource> rs) throws DatabaseException {
 639
 640         StructuralResource2 STR = StructuralResource2.getInstance(graph);
 641         HashSet<Resource> extension = new HashSet<Resource>(8);
 642         for(Resource r : rs) {
 643                 if(graph.isInstanceOf(r, STR.Connection)) {
 644                         extension.addAll(graph.syncRequest(new ConnectionComponents(r), TransientCacheListener.<Collection<Resource>>instance()));
 645                 }
 646                 if(graph.isInstanceOf(r, STR.ConnectionJoin)) {
 647                         extension.addAll(graph.syncRequest(new ConnectionJoinComponents(r), TransientCacheListener.<Collection<Resource>>instance()));
 648                 }
 649         }
 650
 651         HashSet<Resource> components = new HashSet<Resource>(8);
 652         for(Resource r : extension) {
 653                 components.addAll(graph.sync(new ObjectsWithType(r, STR.Connects, STR.Component)));
 654         }
 655
 656         if(!extension.isEmpty()) {
 657                 ArrayList<Resource> result = new ArrayList<Resource>(rs.size() + extension.size());
 658                 result.addAll(rs);
 659                 result.addAll(extension);
 660                 result.addAll(components);
 661                 rs = result;
 662         }
 663
 664         return rs;
 665
 666     }
 667
 668         @SCLValue(type = "ReadGraph -> Resource -> [Issue]")
 669     public static List<Issue> connectionValidator(ReadGraph graph, Resource component) throws DatabaseException {
 670
 671                 if(!graph.hasStatement(component)) return Collections.emptyList();
 672
 673                 ArrayList<Issue> result = new ArrayList<Issue>();
 674
 675                 Layer0 L0 = Layer0.getInstance(graph);
 676                 StructuralResource2 sr = StructuralResource2.getInstance(graph);
 677
 678                 Resource type = graph.getSingleType(component, sr.Component);
 679
 680                 Set<Resource> requiredConnections = new HashSet<Resource>();
 681                 for(Resource connectionRelation : graph.sync(new ObjectsWithType(type, L0.ConsistsOf, sr.ConnectionRelation))) {
 682                         Boolean required = graph.getPossibleRelatedValue(connectionRelation, sr.ConnectionRelation_connectionRequired, Bindings.BOOLEAN);
 683                         if(required != null && required)
 684                                 requiredConnections.add(connectionRelation);
 685                 }
 686
 687                 Set<Resource> connections = new HashSet<Resource>();
 688
 689                 for(Statement stm : graph.getStatements(component, sr.IsConnectedTo)) {
 690                         connections.add(stm.getPredicate());
 691                         connections.addAll(graph.getSuperrelations(stm.getPredicate()));
 692                 }
 693
 694                 for(Resource req : requiredConnections) {
 695                         if(!connections.contains(req)) {
 696                                 result.add(new StandardIssue(sr.ConnectionConstraint_ErrorIssue, component, req));
 697                         }
 698                 }
 699
 700                 return result;
 701
 702     }
 703
 704     @SCLValue(type = "ReadGraph -> Resource -> Variable -> String")
 705     public static String connectionIssueDescription(ReadGraph graph, Resource converter, Variable property) throws DatabaseException {
 706         List<Resource> contexts = IssueUtils.getContextsForProperty(graph, property);
 707         String attributeName = graph.getRelatedValue(contexts.get(1), Layer0.getInstance(graph).HasName);
 708         return "'" + attributeName + "' should be connected.";
 709     }
 710
 711     public static class InterfacePathMap extends VariableRead<GraphMap<Map<String,InterfaceResolution>>> {
 712
 713                 public InterfacePathMap(Variable context) {
 714                         super(context);
 715                 }
 716
 717                 @Override
 718                 public GraphMap<Map<String,InterfaceResolution>> perform(ReadGraph graph) throws DatabaseException {
 719
 720                         return new GraphMap<Map<String,InterfaceResolution>>() {
 721
 722                                 @Override
 723                                 Map<String, InterfaceResolution> get(ReadGraph graph, String key) throws DatabaseException {
 724
 725                                         Variable child = variable.getChild(graph, key);
 726
 727                                         Map<String,InterfaceResolution> childMap = new THashMap<String,InterfaceResolution>();
 728                                         Collection<InterfaceResolution> paths = computeInterfacePaths(graph, child);//child.getPossiblePropertyValue(graph, "proceduralConnectionPointPath");
 729                                         if(paths != null) {
 730                                                 for(InterfaceResolution r : paths) {
 731                                                         childMap.put(r.interfaceName, r);
 732                                                 }
 733                                         }
 734                                         return childMap;
 735
 736                                 }
 737
 738                         };
 739
 740                 }
 741
 742     }
 743
 744     public static String resolveInterfacePath(ReadGraph graph, Variable context, String component, Resource relation) throws DatabaseException {
 745
 746         GraphMap<Map<String,InterfaceResolution>> map = graph.syncRequest(new InterfacePathMap(context), TransientCacheListener.<GraphMap<Map<String,InterfaceResolution>>>instance());
 747         Map<String,InterfaceResolution> childMap = map.get(graph, component);
 748         if(childMap == null) return "";
 749
 750         PropertyInfo info = graph.syncRequest(new PropertyInfoRequest(relation), TransientCacheListener.<PropertyInfo>instance());
 751
 752         InterfaceResolution match = childMap.get(info.name);
 753         if(match != null) {
 754                 String comp = URIStringUtils.escape(component);
 755                 Variable newContext = context.getChild(graph, component);
 756                 return "/" + comp + resolveInterfacePath(graph, newContext, match.componentName, match.connectionPoint);
 757         } else {
 758                 return "/" + URIStringUtils.escape(component) + "#" + URIStringUtils.escape(info.name);
 759         }
 760
 761     }
 762
 763     public static class InterfaceResolution {
 764
 765         public Resource interfaceConnectionPoint;
 766         public String interfaceName;
 767         public String componentName;
 768         public Resource connectionPoint;
 769
 770         public InterfaceResolution(Resource interfaceConnectionPoint, String interfaceName, String componentName, Resource connectionPoint) {
 771                 this.interfaceConnectionPoint = interfaceConnectionPoint;
 772                 this.interfaceName = interfaceName;
 773                 this.componentName = componentName;
 774                 this.connectionPoint = connectionPoint;
 775         }
 776
 777     }
 778
 779     public static Collection<InterfaceResolution> computeInterfacePaths(ReadGraph graph, Variable variable) throws DatabaseException {
 780
 781                 StructuralResource2 STR = StructuralResource2.getInstance(graph);
 782                 Resource type = variable.getPossibleType(graph);
 783                 if(type != null) {
 784                         if(graph.isInstanceOf(type, STR.ProceduralComponentType)) {
 785                                 ArrayList<InterfaceResolution> result = new ArrayList<InterfaceResolution>();
 786                                 List<SubstructureElement> elements = getProceduralDesc(graph, variable);
 787                                 if(elements != null) {
 788                                         for(SubstructureElement e : elements) {
 789                                                 if(e instanceof org.simantics.structural2.procedural.Connection) {
 790                                                         org.simantics.structural2.procedural.Connection conn = (org.simantics.structural2.procedural.Connection)e;
 791                                                         Interface inf = null;
 792                                                         for(ConnectionPoint cp : conn.connectionPoints) {
 793                                                                 if(cp instanceof Interface) {
 794                                                                         if(inf != null) throw new DatabaseException("Multiple interfaces referenced in procedural connection.");
 795                                                                         inf = (Interface)cp;
 796                                                                 }
 797                                                         }
 798                                                         if(inf != null && conn.connectionPoints.size() > 1) {
 799                                                                 Layer0 L0 = Layer0.getInstance(graph);
 800                                                                 String cpName = URIStringUtils.escape( graph.<String>getRelatedValue(inf.relation, L0.HasName, Bindings.STRING) );
 801                                                                 for(ConnectionPoint cp : conn.connectionPoints) {
 802                                                                         if(cp == inf) continue;
 803                                                                         Terminal t = (Terminal)cp;
 804                                                                         result.add(new InterfaceResolution(inf.relation, cpName, t.component, t.relation));
 805                                                                 }
 806                                                         }
 807                                                 }
 808                                         }
 809                                 }
 810
 811                                 return result;
 812
 813                         }
 814
 815                         final Collection<InterfaceResolution> interfaces = graph.syncRequest(new DefinedUCInterfaceMap(type));
 816                         if(interfaces != null) return interfaces;
 817
 818                 }
 819
 820                 return BUILTIN_STRUCTURAL_CPS;
 821
 822     }
 823
 824     static class InterfacePathRequest extends VariableRead<Collection<InterfaceResolution>> {
 825
 826                 public InterfacePathRequest(Variable variable) {
 827                         super(variable);
 828                 }
 829
 830                 @Override
 831                 public Collection<InterfaceResolution> perform(ReadGraph graph) throws DatabaseException {
 832                         return computeInterfacePaths(graph, variable);
 833                 }
 834
 835     }
 836
 837     public static final Collection<InterfaceResolution> BUILTIN_STRUCTURAL_CPS = new ArrayList<InterfaceResolution>();
 838
 839         @SCLValue(type = "ReadGraph -> Resource -> Variable -> a")
 840     public static Object computeExpression(ReadGraph graph, Resource converter, Variable context) throws DatabaseException {
 841         return CompileStructuralValueRequest.compileAndEvaluate(graph, context);
 842     }
 843
 844     public static Object computeExpressionInContext(ReadGraph graph, Variable context, final String expression) throws DatabaseException {
 845         SCLContext sclContext = SCLContext.getCurrent();
 846         Object oldGraph = sclContext.get("graph");
 847         try {
 848             Function1<Object,Object> exp = graph.syncRequest(new CompileStructuralValueRequest(graph, context) {
 849                 protected String getExpressionText(ReadGraph graph) throws DatabaseException {
 850                     return expression;
 851                 }
 852             },
 853             TransientCacheListener.instance());
 854             sclContext.put("graph", graph);
 855             return exp.apply(context);
 856         } catch (DatabaseException e) {
 857             throw (DatabaseException)e;
 858         } catch (Throwable t) {
 859             throw new DatabaseException(t);
 860         } finally {
 861             sclContext.put("graph", oldGraph);
 862         }
 863     }
 864
 865         static abstract class InterfacePathProperty extends LazyPropertyVariable {
 866
 867                 public InterfacePathProperty(Variable parent) {
 868                         super(parent, "proceduralConnectionPointPath", Bindings.STRING_ARRAY);
 869                 }
 870
 871                 @Override
 872                 public <T> T getValue(ReadGraph graph, Binding binding) throws DatabaseException {
 873                         return getValue(graph);
 874                 }
 875
 876         }
 877
 878         static abstract class GraphMap<Value> {
 879
 880                 abstract Value get(ReadGraph graph, String key) throws DatabaseException;
 881
 882         }
 883
 884 }