src/Model/Model_Update.cpp

   1 // Copyright (C) 2014-20xx CEA/DEN, EDF R&D
   2
   3 // File:        Model_Update.cxx
   4 // Created:     25 Jun 2014
   5 // Author:      Mikhail PONIKAROV
   6
   7 #include <Model_Update.h>
   8 #include <Model_Document.h>
   9 #include <Model_Data.h>
  10 #include <Model_Objects.h>
  11 #include <ModelAPI_Feature.h>
  12 #include <ModelAPI_Data.h>
  13 #include <ModelAPI_Document.h>
  14 #include <ModelAPI_Events.h>
  15 #include <ModelAPI_AttributeReference.h>
  16 #include <ModelAPI_AttributeRefList.h>
  17 #include <ModelAPI_AttributeRefAttr.h>
  18 #include <ModelAPI_AttributeSelection.h>
  19 #include <ModelAPI_AttributeSelectionList.h>
  20 #include <ModelAPI_Result.h>
  21 #include <ModelAPI_ResultPart.h>
  22 #include <ModelAPI_Validator.h>
  23 #include <ModelAPI_CompositeFeature.h>
  24 #include <ModelAPI_Session.h>
  25 #include <ModelAPI_Tools.h>
  26 #include <GeomDataAPI_Point.h>
  27 #include <GeomDataAPI_Point2D.h>
  28 #include <Events_Loop.h>
  29 #include <Events_LongOp.h>
  30 #include <Events_Error.h>
  31 #include <Config_PropManager.h>
  32
  33 using namespace std;
  34
  35 Model_Update MY_UPDATER_INSTANCE;  /// the only one instance initialized on load of the library
  36
  37 Model_Update::Model_Update()
  38 {
  39   Events_Loop* aLoop = Events_Loop::loop();
  40   static const Events_ID kChangedEvent = aLoop->eventByName("PreferenceChanged");
  41   aLoop->registerListener(this, kChangedEvent);
  42   static const Events_ID kRebuildEvent = aLoop->eventByName("Rebuild");
  43   aLoop->registerListener(this, kRebuildEvent);
  44   static const Events_ID kCreatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_CREATED);
  45   aLoop->registerListener(this, kCreatedEvent);
  46   static const Events_ID kUpdatedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_UPDATED);
  47   aLoop->registerListener(this, kUpdatedEvent);
  48   static const Events_ID kMovedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_MOVED);
  49   aLoop->registerListener(this, kMovedEvent);
  50   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
  51   aLoop->registerListener(this, kOpFinishEvent);
  52   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
  53   aLoop->registerListener(this, kOpAbortEvent);
  54   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
  55   aLoop->registerListener(this, kOpStartEvent);
  56
  57   Config_PropManager::registerProp("Model update", "automatic_rebuild", "Rebuild immediately",
  58                                    Config_Prop::Boolean, "false");
  59   myIsAutomatic =
  60     Config_PropManager::findProp("Model update", "automatic_rebuild")->value() == "true";
  61 }
  62
  63 void Model_Update::processEvent(const std::shared_ptr<Events_Message>& theMessage)
  64 {
  65   static Events_Loop* aLoop = Events_Loop::loop();
  66   static const Events_ID kChangedEvent = aLoop->eventByName("PreferenceChanged");
  67   static const Events_ID kRebuildEvent = aLoop->eventByName("Rebuild");
  68   static const Events_ID kCreatedEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
  69   static const Events_ID kUpdatedEvent = aLoop->eventByName(EVENT_OBJECT_UPDATED);
  70   static const Events_ID kMovedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_MOVED);
  71   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
  72   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
  73   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
  74   bool isOperationChanged = false;
  75   if (theMessage->eventID() == kChangedEvent) { // automatic and manual rebuild flag is changed
  76     bool aPropVal =
  77       Config_PropManager::findProp("Model update", "automatic_rebuild")->value() == "true";
  78     if (aPropVal != myIsAutomatic) { // something is changed
  79       myIsAutomatic = aPropVal;
  80       if (myIsAutomatic) // higher level of automatization => to rebuild
  81         processOperation(false);
  82     }
  83   } else if (theMessage->eventID() == kRebuildEvent) { // the rebuild command
  84     processOperation(true);
  85   } else if (theMessage->eventID() == kCreatedEvent || theMessage->eventID() == kUpdatedEvent ||
  86              theMessage->eventID() == kMovedEvent) {
  87     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
  88         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
  89     const std::set<ObjectPtr>& anObjs = aMsg->objects();
  90     std::set<ObjectPtr>::const_iterator anObjIter = anObjs.cbegin();
  91     bool isOnlyResults = true; // check that only results were changed: only redisplay is needed
  92     for(; anObjIter != anObjs.cend(); anObjIter++) {
  93       if (!std::dynamic_pointer_cast<ModelAPI_Result>(*anObjIter).get()) {
  94         isOnlyResults = false;
  95       }
  96       // created objects are always must be up to date (python box feature)
  97       // and updated not in internal uptation chain
  98       if (theMessage->eventID() == kCreatedEvent) {
  99         myJustCreated.insert(*anObjIter);
 100       } else if (myJustCreated.find(*anObjIter) == myJustCreated.end()) { // moved and updated
 101         myJustUpdated.insert(*anObjIter);
 102       }
 103     }
 104      // this event is for solver update, not here, do not react immideately
 105     if (!isOnlyResults && !(theMessage->eventID() == kMovedEvent))
 106       processOperation(false);
 107   } else if (theMessage->eventID() == kOpStartEvent) {
 108     // we don't need the update only on operation start (caused problems in PartSet_Listener::processEvent)
 109     isOperationChanged = true;
 110   } else if (theMessage->eventID() == kOpFinishEvent || theMessage->eventID() == kOpAbortEvent) {
 111     processOperation(true, theMessage->eventID() == kOpFinishEvent);
 112     isOperationChanged = true;
 113   }
 114   if (isOperationChanged) {
 115     // remove all macros before clearing all created and execute all not-previewed
 116     std::set<ObjectPtr>::iterator aCreatedIter = myJustCreated.begin();
 117     std::set<ObjectPtr>::iterator anUpdatedIter = myJustUpdated.begin();
 118     for(; aCreatedIter != myJustCreated.end() || anUpdatedIter != myJustUpdated.end();
 119       aCreatedIter == myJustCreated.end() ? anUpdatedIter++ : aCreatedIter++) {
 120       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*
 121         (aCreatedIter == myJustCreated.end() ? anUpdatedIter : aCreatedIter));
 122       if (aFeature.get()) {
 123         // execute not-previewed feature on "apply"
 124         if (!aFeature->isPreviewNeeded() && (myJustCreated.find(aFeature) != myJustCreated.end() ||
 125           myJustUpdated.find(aFeature) != myJustUpdated.end())) {
 126           static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 127           if (aFactory->validate(aFeature)) {
 128             executeFeature(aFeature);
 129           }
 130         }
 131         // remove macro on apply
 132         if (aFeature->isMacro()) {
 133           aFeature->document()->removeFeature(aFeature);
 134         }
 135       }
 136     }
 137     myJustCreated.clear();
 138     myJustUpdated.clear();
 139   }
 140 }
 141
 142 void Model_Update::processOperation(const bool theTotalUpdate, const bool theFinish)
 143 {
 144   if (theFinish) {
 145     // the hardcode (DBC asked): hide the sketch referenced by extrusion on apply
 146     std::set<std::shared_ptr<ModelAPI_Object> >::iterator aFIter;
 147     for(aFIter = myJustCreated.begin(); aFIter != myJustCreated.end(); aFIter++)
 148     {
 149       FeaturePtr aF = std::dynamic_pointer_cast<ModelAPI_Feature>(*aFIter);
 150       if (aF && aF->data()->isValid() && aF->getKind() == "Extrusion") {
 151         AttributeSelectionListPtr aBase = aF->selectionList("base");
 152         if (aBase.get()) {
 153           for(int a = aBase->size() - 1; a >= 0; a--) {
 154             ResultPtr aSketchRes = aBase->value(a)->context();
 155             if (aSketchRes) {
 156               aSketchRes->setDisplayed(false);
 157             }
 158           }
 159         }
 160       }
 161     }
 162   }
 163   // perform update of everything if needed
 164   if (!myIsExecuted) {
 165     myIsExecuted = true;
 166
 167     bool isAutomaticChanged = false;
 168
 169     if (theTotalUpdate && !myIsAutomatic) { // Apply button now works as "Rebuild"
 170       isAutomaticChanged = true;
 171       myIsAutomatic = true;
 172     }
 173
 174     updateInDoc(ModelAPI_Session::get()->moduleDocument());
 175
 176     if (isAutomaticChanged) myIsAutomatic = false;
 177     myIsExecuted = false;
 178
 179     // flush to update display
 180     static Events_Loop* aLoop = Events_Loop::loop();
 181     static Events_ID EVENT_DISP = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 182     aLoop->flush(EVENT_DISP);
 183   }
 184 }
 185
 186 void Model_Update::updateInDoc(std::shared_ptr<ModelAPI_Document> theDoc)
 187 {
 188   std::set<FeaturePtr> alreadyProcessed; // features that are processed before others
 189   // all features one by one
 190   Model_Objects* anObjs = std::dynamic_pointer_cast<Model_Document>(theDoc)->objects();
 191   if (!anObjs) return;
 192   FeaturePtr aFeatureIter = anObjs->firstFeature();
 193   for (; aFeatureIter.get(); aFeatureIter = anObjs->nextFeature(aFeatureIter)) {
 194     if (!aFeatureIter->data()->isValid()) // this may be on close of the document
 195       continue;
 196     if (aFeatureIter && alreadyProcessed.find(aFeatureIter) == alreadyProcessed.end()) {
 197       // update selection and parameters attributes first, before sub-features analysis (sketch plane)
 198       updateArguments(aFeatureIter);
 199       // composite feature must be executed after sub-features execution
 200       CompositeFeaturePtr aComposite =
 201         std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(aFeatureIter);
 202       if (aComposite) {
 203         // number of subs can be changed in execution: like fillet
 204         for(int a = 0; a < aComposite->numberOfSubs(); a++) {
 205           FeaturePtr aSub = aComposite->subFeature(a);
 206           updateArguments(aSub);
 207           updateFeature(aSub);
 208           alreadyProcessed.insert(aSub);
 209         }
 210       }
 211
 212       updateFeature(aFeatureIter);
 213       // update the document results recursively
 214       const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = aFeatureIter->results();
 215       std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
 216       for (; aRIter != aResults.cend(); aRIter++) {
 217         ResultPartPtr aPart = std::dynamic_pointer_cast<ModelAPI_ResultPart>(*aRIter);
 218         if (aPart.get()) {
 219           if (!aPart->isDisabled() && aPart->isActivated()) {
 220             updateInDoc(aPart->partDoc());
 221           }
 222         }
 223       }
 224     }
 225   }
 226 }
 227
 228 void Model_Update::redisplayWithResults(FeaturePtr theFeature, const ModelAPI_ExecState theState)
 229 {
 230   // make updated and redisplay all results
 231   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 232   const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = theFeature->results();
 233   std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
 234   for (; aRIter != aResults.cend(); aRIter++) {
 235     std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 236     aRes->data()->execState(theState);
 237     myJustUpdated.insert(aRes);
 238     ModelAPI_EventCreator::get()->sendUpdated(aRes, EVENT_DISP);
 239   }
 240   // to redisplay "presentable" feature (for ex. distance constraint)
 241   ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 242   theFeature->data()->execState(theState);
 243 }
 244
 245 /// Updates the state by the referenced object: if something bad with it, set state for this one
 246 ModelAPI_ExecState stateByReference(ObjectPtr theTarget, const ModelAPI_ExecState theCurrent)
 247 {
 248   if (theTarget) {
 249     ModelAPI_ExecState aRefState = theTarget->data()->execState();
 250     if (aRefState == ModelAPI_StateMustBeUpdated) {
 251       return ModelAPI_StateMustBeUpdated;
 252     } else if (aRefState != ModelAPI_StateDone) {
 253       return ModelAPI_StateInvalidArgument;
 254     }
 255   }
 256   return theCurrent;
 257 }
 258
 259 void Model_Update::updateArguments(FeaturePtr theFeature) {
 260   // perform this method also for disabled features: to make "not done" state for
 261   // featuers referenced to the active and modified features
 262
 263   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 264
 265   bool aJustUpdated = false;
 266   ModelAPI_ExecState aState = theFeature->data()->execState();
 267   if (aState == ModelAPI_StateInvalidArgument) // a chance to be corrected
 268     aState = ModelAPI_StateMustBeUpdated;
 269   // check the parameters state
 270   // Double
 271   std::list<AttributePtr> aDoubles =
 272     theFeature->data()->attributes(ModelAPI_AttributeDouble::typeId());
 273   std::list<AttributePtr>::iterator aDoubleIter = aDoubles.begin();
 274   for(; aDoubleIter != aDoubles.end(); aDoubleIter++) {
 275     AttributeDoublePtr aDouble =
 276       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(*aDoubleIter);
 277     if (aDouble.get() && !aDouble->text().empty()) {
 278       if (aDouble->expressionInvalid()) {
 279         aState = ModelAPI_StateInvalidArgument;
 280       }
 281     }
 282   }
 283   // Point
 284   {
 285     std::list<AttributePtr> anAttributes =
 286       theFeature->data()->attributes(GeomDataAPI_Point::typeId());
 287     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 288     for(; anIter != anAttributes.end(); anIter++) {
 289       AttributePointPtr aPointAttribute =
 290         std::dynamic_pointer_cast<GeomDataAPI_Point>(*anIter);
 291       if (aPointAttribute.get()) {
 292         if ((!aPointAttribute->textX().empty() && aPointAttribute->expressionInvalid(0)) ||
 293             (!aPointAttribute->textY().empty() && aPointAttribute->expressionInvalid(1)) ||
 294             (!aPointAttribute->textZ().empty() && aPointAttribute->expressionInvalid(2)))
 295           aState = ModelAPI_StateInvalidArgument;
 296       }
 297     }
 298   }
 299   // Point2D
 300   {
 301     std::list<AttributePtr> anAttributes =
 302       theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 303     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 304     for(; anIter != anAttributes.end(); anIter++) {
 305       AttributePoint2DPtr aPoint2DAttribute =
 306         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 307       if (aPoint2DAttribute.get()) {
 308         if ((!aPoint2DAttribute->textX().empty() && aPoint2DAttribute->expressionInvalid(0)) ||
 309             (!aPoint2DAttribute->textY().empty() && aPoint2DAttribute->expressionInvalid(1)))
 310           aState = ModelAPI_StateInvalidArgument;
 311       }
 312     }
 313   }
 314
 315   //if (aState == ModelAPI_StateDone) {// all referenced objects are ready to be used
 316     //std::cout<<"Execute feature "<<theFeature->getKind()<<std::endl;
 317     // before execution update the selection attributes if any
 318     list<AttributePtr> aRefs =
 319       theFeature->data()->attributes(ModelAPI_AttributeSelection::typeId());
 320     list<AttributePtr>::iterator aRefsIter = aRefs.begin();
 321     for (; aRefsIter != aRefs.end(); aRefsIter++) {
 322       std::shared_ptr<ModelAPI_AttributeSelection> aSel =
 323         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRefsIter);
 324       ObjectPtr aContext = aSel->context();
 325       // update argument onlt if the referenced object is changed
 326       if (aContext.get() && isUpdated(aContext) && !aContext->isDisabled()) {
 327         if (aState == ModelAPI_StateDone)
 328           aState = ModelAPI_StateMustBeUpdated;
 329         if (!aSel->update()) { // this must be done on execution since it may be long operation
 330           if (!aFactory->isNotObligatory(theFeature->getKind(), theFeature->data()->id(aSel)) &&
 331               aFactory->isCase(theFeature, theFeature->data()->id(aSel)))
 332             aState = ModelAPI_StateInvalidArgument;
 333         }
 334       }
 335     }
 336     aRefs = theFeature->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
 337     for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
 338       std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
 339         std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
 340       for(int a = aSel->size() - 1; a >= 0; a--) {
 341         std::shared_ptr<ModelAPI_AttributeSelection> aSelAttr =
 342           std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aSel->value(a));
 343         if (aSelAttr) {
 344           ObjectPtr aContext = aSelAttr->context();
 345           // update argument onlt if the referenced object is changed
 346           if (aContext.get() && isUpdated(aContext) && !aContext->isDisabled()) {
 347             if (aState == ModelAPI_StateDone)
 348               aState = ModelAPI_StateMustBeUpdated;
 349             if (!aSelAttr->update()) {
 350               if (!aFactory->isNotObligatory(
 351                 theFeature->getKind(), theFeature->data()->id(aSel)) &&
 352                 aFactory->isCase(theFeature, theFeature->data()->id(aSel)))
 353                 aState = ModelAPI_StateInvalidArgument;
 354             }
 355           }
 356         }
 357       }
 358     }
 359   //}
 360   if (aJustUpdated && myJustCreated.find(theFeature) == myJustCreated.end())
 361   myJustUpdated.insert(theFeature);
 362   if (aState != ModelAPI_StateDone)
 363     theFeature->data()->execState(aState);
 364 }
 365
 366 void Model_Update::updateFeature(FeaturePtr theFeature)
 367 {
 368   // check all features this feature depended on (recursive call of updateFeature)
 369   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 370
 371   if (theFeature->isDisabled() ||  // nothing to do with disabled feature
 372       theFeature->data()->execState() == ModelAPI_StateInvalidArgument)
 373     return;
 374   bool aJustUpdated = false;
 375
 376   if (theFeature) {
 377     if (myIsAutomatic && theFeature->data()->execState() == ModelAPI_StateMustBeUpdated)
 378       aJustUpdated = true;
 379
 380     ModelAPI_ExecState aState = ModelAPI_StateDone;
 381
 382     // check all references: if referenced objects are updated, this object also must be updated
 383     // also check state of referenced objects: if they are not ready, inherit corresponding state
 384     std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefs;
 385     std::shared_ptr<Model_Data> aData =
 386       std::dynamic_pointer_cast<Model_Data>(theFeature->data());
 387     aData->referencesToObjects(aRefs);
 388     std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator aRef = aRefs.begin();
 389     for(; aRef != aRefs.end(); aRef++) {
 390       std::list<ObjectPtr>::iterator aRefObj = aRef->second.begin();
 391       for(; aRefObj != aRef->second.end(); aRefObj++) {
 392         if (myJustCreated.find(*aRefObj) != myJustCreated.end() ||
 393             myJustUpdated.find(*aRefObj) != myJustUpdated.end()) {
 394           aJustUpdated = true;
 395         }
 396         aState = stateByReference(*aRefObj, aState);
 397       }
 398     }
 399
 400     // some arguments were changed, so, this feature must be updated
 401     if (myJustCreated.find(theFeature) != myJustCreated.end()) {
 402       aJustUpdated = true;
 403     } else {
 404       if (aJustUpdated) {
 405         if (myJustUpdated.find(theFeature) == myJustUpdated.end())
 406           myJustUpdated.insert(theFeature);
 407       } else {
 408         aJustUpdated = myJustUpdated.find(theFeature) != myJustUpdated.end();
 409       }
 410     }
 411     //std::cout<<"Update feature "<<theFeature->getKind()<<" must be updated = "<<aMustbeUpdated<<std::endl;
 412     // execute feature if it must be updated
 413     if (aJustUpdated) {
 414       if (theFeature->isPreviewNeeded()) {
 415         if (std::dynamic_pointer_cast<Model_Document>(theFeature->document())->executeFeatures() ||
 416             !theFeature->isPersistentResult()) {
 417           if (aFactory->validate(theFeature)) {
 418             FeaturePtr aCurrent = theFeature->document()->currentFeature(false);
 419             if (myIsAutomatic || !theFeature->isPersistentResult() /* execute quick, not persistent results */
 420                 || (isUpdated(theFeature) &&
 421                      (theFeature == aCurrent ||
 422                       (aCurrent.get() && aCurrent->isMacro())))) // currently edited
 423             {
 424               if (aState == ModelAPI_StateDone || aState == ModelAPI_StateMustBeUpdated) {
 425                 executeFeature(theFeature);
 426               }
 427             } else { // must be updatet, but not updated yet
 428               theFeature->data()->execState(ModelAPI_StateMustBeUpdated);
 429               const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = theFeature->results();
 430               std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
 431               for (; aRIter != aResults.cend(); aRIter++) {
 432                 std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 433                 aRes->data()->execState(ModelAPI_StateMustBeUpdated);
 434               }
 435             }
 436           } else {
 437             theFeature->eraseResults();
 438             redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 439           }
 440         } else { // for automatically updated features (on abort, etc) it is necessary to redisplay anyway
 441           redisplayWithResults(theFeature, ModelAPI_StateNothing);
 442         }
 443       } else { // preview is not needed => make state Done
 444         if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated)
 445           theFeature->data()->execState(ModelAPI_StateDone);
 446       }
 447     }
 448   }
 449 }
 450
 451 void Model_Update::executeFeature(FeaturePtr theFeature)
 452 {
 453   // execute in try-catch to avoid internal problems of the feature
 454   ModelAPI_ExecState aState = ModelAPI_StateDone;
 455   theFeature->data()->execState(ModelAPI_StateDone);
 456   try {
 457     theFeature->execute();
 458     if (theFeature->data()->execState() != ModelAPI_StateDone) {
 459       aState = ModelAPI_StateExecFailed;
 460     } else {
 461       aState = ModelAPI_StateDone;
 462     }
 463   } catch(...) {
 464     aState = ModelAPI_StateExecFailed;
 465     Events_Error::send(
 466       "Feature " + theFeature->getKind() + " has failed during the execution");
 467   }
 468   if (aState != ModelAPI_StateDone) {
 469     theFeature->eraseResults();
 470   }
 471   redisplayWithResults(theFeature, aState);
 472 }
 473
 474 bool Model_Update::isUpdated(const ObjectPtr& theObj)
 475 {
 476   return myJustCreated.find(theObj) != myJustCreated.end() ||
 477          myJustUpdated.find(theObj) != myJustUpdated.end();
 478 }