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   myIsParamUpdated = false;
  62   myIsFinish = false;
  63 }
  64
  65 void Model_Update::processEvent(const std::shared_ptr<Events_Message>& theMessage)
  66 {
  67   static Events_Loop* aLoop = Events_Loop::loop();
  68   static const Events_ID kChangedEvent = aLoop->eventByName("PreferenceChanged");
  69   static const Events_ID kRebuildEvent = aLoop->eventByName("Rebuild");
  70   static const Events_ID kCreatedEvent = aLoop->eventByName(EVENT_OBJECT_CREATED);
  71   static const Events_ID kUpdatedEvent = aLoop->eventByName(EVENT_OBJECT_UPDATED);
  72   static const Events_ID kMovedEvent = Events_Loop::loop()->eventByName(EVENT_OBJECT_MOVED);
  73   static const Events_ID kOpFinishEvent = aLoop->eventByName("FinishOperation");
  74   static const Events_ID kOpAbortEvent = aLoop->eventByName("AbortOperation");
  75   static const Events_ID kOpStartEvent = aLoop->eventByName("StartOperation");
  76   if (theMessage->eventID() == kChangedEvent) { // automatic and manual rebuild flag is changed
  77     bool aPropVal =
  78       Config_PropManager::findProp("Model update", "automatic_rebuild")->value() == "true";
  79     if (aPropVal != myIsAutomatic) { // something is changed
  80       myIsAutomatic = aPropVal;
  81       if (myIsAutomatic) // higher level of automatization => to rebuild
  82         processOperation(false);
  83     }
  84   } else if (theMessage->eventID() == kRebuildEvent) { // the rebuild command
  85     processOperation(true);
  86   } else if (theMessage->eventID() == kCreatedEvent || theMessage->eventID() == kUpdatedEvent ||
  87              theMessage->eventID() == kMovedEvent) {
  88     std::shared_ptr<ModelAPI_ObjectUpdatedMessage> aMsg =
  89         std::dynamic_pointer_cast<ModelAPI_ObjectUpdatedMessage>(theMessage);
  90     const std::set<ObjectPtr>& anObjs = aMsg->objects();
  91     std::set<ObjectPtr>::const_iterator anObjIter = anObjs.cbegin();
  92     bool isOnlyResults = true; // check that only results were changed: only redisplay is needed
  93     for(; anObjIter != anObjs.cend(); anObjIter++) {
  94       if (!std::dynamic_pointer_cast<ModelAPI_Result>(*anObjIter).get()) {
  95         isOnlyResults = false;
  96       }
  97       if ((*anObjIter)->groupName() == ModelAPI_ResultParameter::group()) {
  98         myIsParamUpdated = true;
  99       }
 100       // created objects are always must be up to date (python box feature)
 101       // and updated not in internal uptation chain
 102       myJustUpdated.insert(*anObjIter);
 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() == kOpFinishEvent || theMessage->eventID() == kOpAbortEvent ||
 108       theMessage->eventID() == kOpStartEvent) {
 109     myIsParamUpdated = false;
 110
 111     if (!(theMessage->eventID() == kOpStartEvent)) {
 112       myIsFinish = true;
 113       processOperation(true, theMessage->eventID() == kOpFinishEvent);
 114       myIsFinish = false;
 115     }
 116     // remove all macros before clearing all created
 117     std::set<ObjectPtr>::iterator anUpdatedIter = myWaitForFinish.begin();
 118     while(anUpdatedIter != myWaitForFinish.end()) {
 119       FeaturePtr aFeature = std::dynamic_pointer_cast<ModelAPI_Feature>(*anUpdatedIter);
 120       if (aFeature.get()) {
 121         // remove macro on finish
 122         if (aFeature->isMacro()) {
 123           aFeature->document()->removeFeature(aFeature);
 124           myWaitForFinish.erase(aFeature);
 125         }
 126         // to avoid the map update problems on "remove"
 127         if (myWaitForFinish.find(aFeature) == myWaitForFinish.end()) {
 128           anUpdatedIter = myWaitForFinish.begin();
 129         } else {
 130           anUpdatedIter++;
 131         }
 132       } else {
 133         anUpdatedIter++;
 134       }
 135     }
 136     // in the end of transaction everything is updated, so clear the old objects (the only one
 137     // place where results are cleared)
 138     myJustUpdated.clear();
 139     myWaitForFinish.clear();
 140   }
 141 }
 142
 143 void Model_Update::processOperation(const bool theTotalUpdate, const bool theFinish)
 144 {
 145   if (theFinish) {
 146     // the hardcode (DBC asked): hide the sketch referenced by extrusion on apply
 147     std::set<std::shared_ptr<ModelAPI_Object> >::iterator aFIter;
 148     for(aFIter = myWaitForFinish.begin(); aFIter != myWaitForFinish.end(); aFIter++)
 149     {
 150       FeaturePtr aF = std::dynamic_pointer_cast<ModelAPI_Feature>(*aFIter);
 151       if (aF && aF->data()->isValid() && aF->getKind() == "Extrusion") {
 152         AttributeSelectionListPtr aBase = aF->selectionList("base");
 153         if (aBase.get()) {
 154           for(int a = aBase->size() - 1; a >= 0; a--) {
 155             ResultPtr aSketchRes = aBase->value(a)->context();
 156             if (aSketchRes) {
 157               aSketchRes->setDisplayed(false);
 158             }
 159           }
 160         }
 161       }
 162     }
 163   }
 164   // perform update of everything if needed
 165   if (!myIsExecuted) {
 166     myIsExecuted = true;
 167
 168     bool isAutomaticChanged = false;
 169
 170     if (theTotalUpdate && !myIsAutomatic) { // Apply button now works as "Rebuild"
 171       isAutomaticChanged = true;
 172       myIsAutomatic = true;
 173     }
 174
 175     // iterate all features in the root document to update each
 176     DocumentPtr aRootDoc = ModelAPI_Session::get()->moduleDocument();
 177     Model_Objects* anObjs = std::dynamic_pointer_cast<Model_Document>(aRootDoc)->objects();
 178     if (!anObjs) return;
 179     // two cycles: parameters are first to process
 180     FeaturePtr aFeatureIter = anObjs->firstFeature();
 181     std::set<FeaturePtr> aProcessedFeatures; // to avoid processing twice
 182     for (; aFeatureIter.get(); aFeatureIter = anObjs->nextFeature(aFeatureIter)) {
 183       if (aFeatureIter->groupName() == "Parameter")
 184         updateFeature(aFeatureIter, aProcessedFeatures);
 185     }
 186     aFeatureIter = anObjs->firstFeature();
 187     for (; aFeatureIter.get(); aFeatureIter = anObjs->nextFeature(aFeatureIter)) {
 188       if (aFeatureIter->groupName() != "Parameter")
 189         updateFeature(aFeatureIter, aProcessedFeatures);
 190     }
 191
 192     if (isAutomaticChanged) myIsAutomatic = false;
 193     myIsExecuted = false;
 194
 195     // flush to update display
 196     static Events_Loop* aLoop = Events_Loop::loop();
 197     static Events_ID EVENT_DISP = aLoop->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 198     aLoop->flush(EVENT_DISP);
 199   }
 200 }
 201
 202 void Model_Update::updateFeature(FeaturePtr theFeature, std::set<FeaturePtr>& theProcessed)
 203 {
 204   // check all features this feature depended on (recursive call of updateFeature)
 205   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 206
 207   if (theProcessed.find(theFeature) != theProcessed.end())
 208     return;
 209   theProcessed.insert(theFeature);
 210   if (theFeature->isDisabled())
 211     return;
 212
 213   CompositeFeaturePtr aCompos = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 214   // If automatice update is not needed and feature attributes were not updated right now,
 215   // do not execute it and do not update arguments.
 216   if (!myIsAutomatic && myJustUpdated.find(theFeature) == myJustUpdated.end() && !aCompos.get()) {
 217     // execute will be performed later, but some features may have not-result
 218     // presentations, so call update for them (like coincidence in the sketcher)
 219     static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 220     ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 221     return;
 222   }
 223
 224   // Update selection and parameters attributes first, before sub-features analysis (sketch plane).
 225   updateArguments(theFeature);
 226
 227   // composite feature must be executed after sub-features execution
 228   if (aCompos) {
 229     // two cycles: parameters must be processed first
 230     for(int a = 0; a < aCompos->numberOfSubs(); a++) {
 231       FeaturePtr aSub = aCompos->subFeature(a);
 232       if (aSub->groupName() == "Parameter")
 233         updateFeature(aSub, theProcessed);
 234     }
 235     // number of subs can be changed in execution: like fillet
 236     for(int a = 0; a < aCompos->numberOfSubs(); a++) {
 237       FeaturePtr aSub = aCompos->subFeature(a);
 238       if (aSub->groupName() != "Parameter")
 239        updateFeature(aSub, theProcessed);
 240     }
 241   }
 242   // this checking must be after the composite feature sub-elements processing:
 243   // composite feature status may depend on it's subelements
 244   if (theFeature->data()->execState() == ModelAPI_StateInvalidArgument) {
 245     theFeature->eraseResults();
 246     redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 247     return;
 248   }
 249
 250   bool aJustUpdated = myJustUpdated.find(theFeature) != myJustUpdated.end();
 251
 252   if (myIsAutomatic && theFeature->data()->execState() == ModelAPI_StateMustBeUpdated)
 253     aJustUpdated = true;
 254
 255   // On abort, undo or redo execute is not needed: results in document are updated automatically
 256   // But redisplay is needed: results are updated, must be also updated in the viewer.
 257   if (aJustUpdated &&
 258       !std::dynamic_pointer_cast<Model_Document>(theFeature->document())->executeFeatures()) {
 259     if (!theFeature->isPersistentResult()) { // not persistent must be re-executed on abort, etc.
 260       ModelAPI_ExecState aState = theFeature->data()->execState();
 261       if (aFactory->validate(theFeature)) {
 262         executeFeature(theFeature);
 263       } else {
 264         theFeature->eraseResults();
 265         redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 266       }
 267     } else {
 268       redisplayWithResults(theFeature, ModelAPI_StateNothing);
 269       if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated) { // it is done (in the tree)
 270         theFeature->data()->execState(ModelAPI_StateDone);
 271       }
 272     }
 273     return;
 274   }
 275
 276   // execute feature if it must be updated
 277   if (theFeature->isPreviewNeeded() || myIsFinish) {
 278     if (aJustUpdated) {
 279       ModelAPI_ExecState aState = theFeature->data()->execState();
 280       if (aFactory->validate(theFeature)) {
 281         executeFeature(theFeature);
 282       } else {
 283         theFeature->eraseResults();
 284         redisplayWithResults(theFeature, ModelAPI_StateInvalidArgument); // result also must be updated
 285       }
 286     }
 287   } else { // preview is not needed => make state Done
 288     if (theFeature->data()->execState() == ModelAPI_StateMustBeUpdated) {
 289       theFeature->data()->execState(ModelAPI_StateDone);
 290       if (aJustUpdated) // store that it must be updated on finish
 291         myJustUpdated.insert(theFeature);
 292     }
 293   }
 294 }
 295
 296 void Model_Update::redisplayWithResults(FeaturePtr theFeature, const ModelAPI_ExecState theState)
 297 {
 298   // make updated and redisplay all results
 299   static Events_ID EVENT_DISP = Events_Loop::loop()->eventByName(EVENT_OBJECT_TO_REDISPLAY);
 300   const std::list<std::shared_ptr<ModelAPI_Result> >& aResults = theFeature->results();
 301   std::list<std::shared_ptr<ModelAPI_Result> >::const_iterator aRIter = aResults.begin();
 302   for (; aRIter != aResults.cend(); aRIter++) {
 303     std::shared_ptr<ModelAPI_Result> aRes = *aRIter;
 304     aRes->data()->execState(theState);
 305     if (theFeature->data()->updateID() > aRes->data()->updateID()) {
 306       aRes->data()->setUpdateID(theFeature->data()->updateID());
 307     }
 308     ModelAPI_EventCreator::get()->sendUpdated(aRes, EVENT_DISP);
 309   }
 310   // to redisplay "presentable" feature (for ex. distance constraint)
 311   ModelAPI_EventCreator::get()->sendUpdated(theFeature, EVENT_DISP);
 312   theFeature->data()->execState(theState);
 313 }
 314
 315 /// Updates the state by the referenced object: if something bad with it, set state for this one
 316 ModelAPI_ExecState stateByReference(ObjectPtr theTarget, const ModelAPI_ExecState theCurrent)
 317 {
 318   if (theTarget) {
 319     ModelAPI_ExecState aRefState = theTarget->data()->execState();
 320     if (aRefState == ModelAPI_StateMustBeUpdated) {
 321       if (theCurrent == ModelAPI_StateDone)
 322         return ModelAPI_StateMustBeUpdated;
 323     } else if (aRefState != ModelAPI_StateDone) {
 324       return ModelAPI_StateInvalidArgument;
 325     }
 326   }
 327   return theCurrent;
 328 }
 329
 330 void Model_Update::updateArguments(FeaturePtr theFeature) {
 331   // perform this method also for disabled features: to make "not done" state for
 332   // featuers referenced to the active and modified features
 333
 334   static ModelAPI_ValidatorsFactory* aFactory = ModelAPI_Session::get()->validators();
 335
 336   ModelAPI_ExecState aState = theFeature->data()->execState();
 337   if (aState == ModelAPI_StateExecFailed) { // try again failed feature: issue 577
 338     aState = ModelAPI_StateMustBeUpdated;
 339   }
 340   if (aState == ModelAPI_StateInvalidArgument) // a chance to be corrected
 341     aState = ModelAPI_StateMustBeUpdated;
 342   // check the parameters state
 343   // Double
 344   std::list<AttributePtr> aDoubles =
 345     theFeature->data()->attributes(ModelAPI_AttributeDouble::typeId());
 346   std::list<AttributePtr>::iterator aDoubleIter = aDoubles.begin();
 347   for(; aDoubleIter != aDoubles.end(); aDoubleIter++) {
 348     AttributeDoublePtr aDouble =
 349       std::dynamic_pointer_cast<ModelAPI_AttributeDouble>(*aDoubleIter);
 350     if (aDouble.get() && !aDouble->text().empty()) {
 351       if (myIsParamUpdated) {
 352         ModelAPI_AttributeEvalMessage::send(aDouble, this);
 353       }
 354       if (aDouble->expressionInvalid()) {
 355         aState = ModelAPI_StateInvalidArgument;
 356       }
 357     }
 358   }
 359   // Point
 360   {
 361     std::list<AttributePtr> anAttributes =
 362       theFeature->data()->attributes(GeomDataAPI_Point::typeId());
 363     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 364     for(; anIter != anAttributes.end(); anIter++) {
 365       AttributePointPtr aPointAttribute =
 366         std::dynamic_pointer_cast<GeomDataAPI_Point>(*anIter);
 367       if (aPointAttribute.get()) {
 368         if (myIsParamUpdated) {
 369           ModelAPI_AttributeEvalMessage::send(aPointAttribute, this);
 370         }
 371         if ((!aPointAttribute->textX().empty() && aPointAttribute->expressionInvalid(0)) ||
 372           (!aPointAttribute->textY().empty() && aPointAttribute->expressionInvalid(1)) ||
 373           (!aPointAttribute->textZ().empty() && aPointAttribute->expressionInvalid(2)))
 374           aState = ModelAPI_StateInvalidArgument;
 375       }
 376     }
 377   }
 378   // Point2D
 379   {
 380     std::list<AttributePtr> anAttributes =
 381       theFeature->data()->attributes(GeomDataAPI_Point2D::typeId());
 382     std::list<AttributePtr>::iterator anIter = anAttributes.begin();
 383     for(; anIter != anAttributes.end(); anIter++) {
 384       AttributePoint2DPtr aPoint2DAttribute =
 385         std::dynamic_pointer_cast<GeomDataAPI_Point2D>(*anIter);
 386       if (aPoint2DAttribute.get()) {
 387         if (myIsParamUpdated) {
 388           ModelAPI_AttributeEvalMessage::send(aPoint2DAttribute, this);
 389         }
 390         if ((!aPoint2DAttribute->textX().empty() && aPoint2DAttribute->expressionInvalid(0)) ||
 391           (!aPoint2DAttribute->textY().empty() && aPoint2DAttribute->expressionInvalid(1)))
 392           aState = ModelAPI_StateInvalidArgument;
 393       }
 394     }
 395   }
 396
 397   //if (aState == ModelAPI_StateDone) {// all referenced objects are ready to be used
 398   //std::cout<<"Execute feature "<<theFeature->getKind()<<std::endl;
 399   // before execution update the selection attributes if any
 400   list<AttributePtr> aRefs =
 401     theFeature->data()->attributes(ModelAPI_AttributeSelection::typeId());
 402   list<AttributePtr>::iterator aRefsIter = aRefs.begin();
 403   for (; aRefsIter != aRefs.end(); aRefsIter++) {
 404     std::shared_ptr<ModelAPI_AttributeSelection> aSel =
 405       std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(*aRefsIter);
 406     ObjectPtr aContext = aSel->context();
 407     // update argument onlt if the referenced object is changed
 408     if (aContext.get() && !aContext->isDisabled() &&
 409       aContext->data()->updateID() > theFeature->data()->updateID()) {
 410         if (aState == ModelAPI_StateDone)
 411           aState = ModelAPI_StateMustBeUpdated;
 412         if (!aSel->update()) { // this must be done on execution since it may be long operation
 413           if (!aFactory->isNotObligatory(theFeature->getKind(), theFeature->data()->id(aSel)) &&
 414             aFactory->isCase(theFeature, theFeature->data()->id(aSel)))
 415             aState = ModelAPI_StateInvalidArgument;
 416         }
 417     }
 418   }
 419   aRefs = theFeature->data()->attributes(ModelAPI_AttributeSelectionList::typeId());
 420   for (aRefsIter = aRefs.begin(); aRefsIter != aRefs.end(); aRefsIter++) {
 421     std::shared_ptr<ModelAPI_AttributeSelectionList> aSel =
 422       std::dynamic_pointer_cast<ModelAPI_AttributeSelectionList>(*aRefsIter);
 423     for(int a = aSel->size() - 1; a >= 0; a--) {
 424       std::shared_ptr<ModelAPI_AttributeSelection> aSelAttr =
 425         std::dynamic_pointer_cast<ModelAPI_AttributeSelection>(aSel->value(a));
 426       if (aSelAttr) {
 427         ObjectPtr aContext = aSelAttr->context();
 428         // update argument onlt if the referenced object is changed
 429         if (aContext.get() && !aContext->isDisabled() &&
 430           aContext->data()->updateID() > theFeature->data()->updateID()) {
 431             if (aState == ModelAPI_StateDone)
 432               aState = ModelAPI_StateMustBeUpdated;
 433             if (!aSelAttr->update()) {
 434               if (!aFactory->isNotObligatory(
 435                 theFeature->getKind(), theFeature->data()->id(aSel)) &&
 436                 aFactory->isCase(theFeature, theFeature->data()->id(aSel)))
 437                 aState = ModelAPI_StateInvalidArgument;
 438             }
 439         }
 440       }
 441     }
 442   }
 443   // check all references: if referenced objects are updated, this object also must be updated
 444   // also check state of referenced objects: if they are not ready, inherit corresponding state
 445   std::list<std::pair<std::string, std::list<ObjectPtr> > > aRefsObj;
 446   std::shared_ptr<Model_Data> aData = std::dynamic_pointer_cast<Model_Data>(theFeature->data());
 447   aData->referencesToObjects(aRefsObj);
 448   std::list<std::pair<std::string, std::list<ObjectPtr> > >::iterator aRef = aRefsObj.begin();
 449   for(; aRef != aRefsObj.end(); aRef++) {
 450     std::list<ObjectPtr>::iterator aRefObj = aRef->second.begin();
 451     for(; aRefObj != aRef->second.end(); aRefObj++) {
 452       // if reference is null, it may mean that this reference is to other document
 453       // the does not supported by RefList: parameters may be recomputed
 454       if (!aRefObj->get() && theFeature->firstResult().get() &&
 455                theFeature->firstResult()->groupName() == ModelAPI_ResultParameter::group()) {
 456           if (aState == ModelAPI_StateDone)
 457             aState = ModelAPI_StateMustBeUpdated;
 458       } else if (myJustUpdated.find(*aRefObj) != myJustUpdated.end() ||
 459              (aRefObj->get() && (*aRefObj)->data()->updateID() > theFeature->data()->updateID())) {
 460           if (aState == ModelAPI_StateDone)
 461             aState = ModelAPI_StateMustBeUpdated;
 462       }
 463       aState = stateByReference(*aRefObj, aState);
 464     }
 465   }
 466   // composites sub-elements
 467   CompositeFeaturePtr aCompos = std::dynamic_pointer_cast<ModelAPI_CompositeFeature>(theFeature);
 468   // composite feature must be executed after sub-features execution
 469   if (aCompos) {
 470     // number of subs can be changed in execution: like fillet
 471     for(int a = 0; a < aCompos->numberOfSubs(); a++) {
 472       FeaturePtr aSub = aCompos->subFeature(a);
 473       if (myJustUpdated.find(aSub) != myJustUpdated.end() ||
 474              (aSub.get() && aSub->data()->updateID() > theFeature->data()->updateID())) {
 475           if (aState == ModelAPI_StateDone)
 476             aState = ModelAPI_StateMustBeUpdated;
 477       }
 478     }
 479   }
 480
 481
 482   if (aState != ModelAPI_StateDone)
 483     theFeature->data()->execState(aState);
 484 }
 485
 486 void Model_Update::executeFeature(FeaturePtr theFeature)
 487 {
 488   // execute in try-catch to avoid internal problems of the feature
 489   ModelAPI_ExecState aState = ModelAPI_StateDone;
 490   theFeature->data()->execState(ModelAPI_StateDone);
 491   try {
 492     theFeature->execute();
 493     myJustUpdated.erase(theFeature);
 494     if (theFeature->data()->execState() != ModelAPI_StateDone) {
 495       aState = ModelAPI_StateExecFailed;
 496     } else {
 497       aState = ModelAPI_StateDone;
 498       myWaitForFinish.insert(theFeature);
 499     }
 500   } catch(...) {
 501     aState = ModelAPI_StateExecFailed;
 502     Events_Error::send(
 503       "Feature " + theFeature->getKind() + " has failed during the execution");
 504   }
 505   if (aState != ModelAPI_StateDone) {
 506     theFeature->eraseResults();
 507   }
 508   theFeature->data()->setUpdateID(ModelAPI_Session::get()->transactionID());
 509   redisplayWithResults(theFeature, aState);
 510 }