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#23999 EDF 22760 - integration of dev in SMESH (from branch 'gni/adaptation')
[modules/smesh.git] / src / SMESH_I / SMESH_Gen_i.cxx
index 701de05a84ed019316a6715d8302079d3b49ff0f..e89466cfbdc42868373a38f9e039a2d55e9b2525 100644 (file)
@@ -49,7 +49,6 @@
 #include <TopoDS_Wire.hxx>
 #include <gp_Pnt.hxx>
 
-
 #ifdef WIN32
  #include <windows.h>
  #include <process.h>
 #include <cstdlib>
 #include <memory>
 
+#include <boost/archive/text_oarchive.hpp>
+#include <boost/archive/text_iarchive.hpp>
+#include <boost/serialization/list.hpp>
+#include <boost/serialization/string.hpp>
+
 using namespace std;
 using SMESH::TPythonDump;
 using SMESH::TVar;
@@ -160,9 +164,9 @@ static int MYDEBUG = 0;
 GEOM::GEOM_Gen_var      SMESH_Gen_i::myGeomGen;
 CORBA::ORB_var          SMESH_Gen_i::myOrb;
 PortableServer::POA_var SMESH_Gen_i::myPoa;
-SALOME_NamingService*   SMESH_Gen_i::myNS  = NULL;
-SALOME_LifeCycleCORBA*  SMESH_Gen_i::myLCC = NULL;
-SMESH_Gen_i*            SMESH_Gen_i::mySMESHGen = NULL;
+SALOME_NamingService_Abstract*   SMESH_Gen_i::myNS  = nullptr;
+SALOME_LifeCycleCORBA*  SMESH_Gen_i::myLCC = nullptr;
+SMESH_Gen_i*            SMESH_Gen_i::mySMESHGen = nullptr;
 
 
 const int nbElemPerDiagonal = 10;
@@ -241,7 +245,7 @@ CORBA::Object_var SMESH_Gen_i::SObjectToObject( SALOMEDS::SObject_ptr theSObject
  */
 //=============================================================================
 
-SALOME_NamingService* SMESH_Gen_i::GetNS()
+SALOME_NamingService_Abstract* SMESH_Gen_i::GetNS()
 {
   if ( myNS == NULL ) {
     myNS = SINGLETON_<SALOME_NamingService>::Instance();
@@ -275,27 +279,9 @@ SALOME_LifeCycleCORBA*  SMESH_Gen_i::GetLCC()
  */
 //=============================================================================
 
-GEOM::GEOM_Gen_var SMESH_Gen_i::GetGeomEngine( bool isShaper )
-{
-  Engines::EngineComponent_ptr temp =
-    GetLCC()->FindOrLoad_Component( isShaper ? "FactoryServer" : "FactoryServer",
-                                    isShaper ? "SHAPERSTUDY" : "GEOM" );
-  myGeomGen = GEOM::GEOM_Gen::_narrow( temp );
-
-  return myGeomGen;
-}
-
-//=============================================================================
-/*!
- *  GetGeomEngine [ static ]
- *
- *  Get GEOM::GEOM_Gen reference
- */
-//=============================================================================
-
 GEOM::GEOM_Gen_var SMESH_Gen_i::GetGeomEngine( GEOM::GEOM_Object_ptr go )
 {
-  GEOM::GEOM_Gen_ptr gen;
+  GEOM::GEOM_Gen_ptr gen = GEOM::GEOM_Gen::_nil();
   if ( !CORBA::is_nil( go ))
     gen = go->GetGen();
   return gen;
@@ -325,8 +311,9 @@ SMESH_Gen_i::SMESH_Gen_i( CORBA::ORB_ptr            orb,
                           PortableServer::POA_ptr   poa,
                           PortableServer::ObjectId* contId,
                           const char*               instanceName,
-                          const char*               interfaceName )
-  : Engines_Component_i( orb, poa, contId, instanceName, interfaceName )
+                          const char*               interfaceName,
+                          bool                      checkNS)
+  : Engines_Component_i( orb, poa, contId, instanceName, interfaceName, false, checkNS )
 {
 
   myOrb = CORBA::ORB::_duplicate(orb);
@@ -351,21 +338,24 @@ SMESH_Gen_i::SMESH_Gen_i( CORBA::ORB_ptr            orb,
   // find out mode (embedded or standalone) here else
   // meshes created before calling SMESH_Client::GetSMESHGen(), which calls
   // SMESH_Gen_i::SetEmbeddedMode(), have wrong IsEmbeddedMode flag
-  if ( SALOME_NamingService* ns = GetNS() )
+  if(checkNS)
   {
-    CORBA::Object_var obj = ns->Resolve( "/Kernel/Session" );
-    SALOME::Session_var session = SALOME::Session::_narrow( obj ) ;
-    if ( !session->_is_nil() )
+    if ( SALOME_NamingService_Abstract* ns = GetNS() )
     {
-      CORBA::String_var str_host = session->getHostname();
-      CORBA::Long        s_pid = session->getPID();
-      string my_host = Kernel_Utils::GetHostname();
+      CORBA::Object_var obj = ns->Resolve( "/Kernel/Session" );
+      SALOME::Session_var session = SALOME::Session::_narrow( obj ) ;
+      if ( !session->_is_nil() )
+      {
+        CORBA::String_var str_host = session->getHostname();
+        CORBA::Long        s_pid = session->getPID();
+        string my_host = Kernel_Utils::GetHostname();
 #ifdef WIN32
-      long    my_pid = (long)_getpid();
+        long    my_pid = (long)_getpid();
 #else
-      long    my_pid = (long) getpid();
+        long    my_pid = (long) getpid();
 #endif
-      SetEmbeddedMode( s_pid == my_pid && my_host == str_host.in() );
+        SetEmbeddedMode( s_pid == my_pid && my_host == str_host.in() );
+      }
     }
   }
 }
@@ -414,7 +404,6 @@ SMESH_Gen_i::~SMESH_Gen_i()
 GenericHypothesisCreator_i* SMESH_Gen_i::getHypothesisCreator(const char* theHypName,
                                                               const char* theLibName,
                                                               std::string& thePlatformLibName)
-  throw (SALOME::SALOME_Exception)
 {
   std::string aPlatformLibName;
   /* It's Need to translate lib name for WIN32 or X platform */
@@ -551,7 +540,7 @@ SMESH::SMESH_Hypothesis_ptr SMESH_Gen_i::createHypothesis(const char* theHypName
     hypothesis_i = myHypothesis_i->_this();
     int nextId = RegisterObject( hypothesis_i );
     if(MYDEBUG) { MESSAGE( "Add hypo to map with id = "<< nextId ); }
-    else        { nextId = 0; } // avoid "unused variable" warning in release mode
+    else        { (void)nextId; } // avoid "unused variable" warning in release mode
   }
   return hypothesis_i._retn();
 }
@@ -565,7 +554,6 @@ SMESH::SMESH_Hypothesis_ptr SMESH_Gen_i::createHypothesis(const char* theHypName
 //=============================================================================
 
 SMESH::SMESH_Mesh_ptr SMESH_Gen_i::createMesh()
-  throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   if(MYDEBUG) MESSAGE( "SMESH_Gen_i::createMesh" );
@@ -582,7 +570,7 @@ SMESH::SMESH_Mesh_ptr SMESH_Gen_i::createMesh()
     SMESH::SMESH_Mesh_var mesh = SMESH::SMESH_Mesh::_narrow( meshServant->_this() );
     int nextId = RegisterObject( mesh );
     if(MYDEBUG) { MESSAGE( "Add mesh to map with id = "<< nextId); }
-    else        { nextId = 0; } // avoid "unused variable" warning in release mode
+    else        { (void)nextId; } // avoid "unused variable" warning in release mode
     return mesh._retn();
   }
   catch (SALOME_Exception& S_ex) {
@@ -814,7 +802,6 @@ StudyContext* SMESH_Gen_i::GetStudyContext()
 
 SMESH::SMESH_Hypothesis_ptr SMESH_Gen_i::CreateHypothesis( const char* theHypName,
                                                            const char* theLibName )
-  throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   // Create hypothesis/algorithm
@@ -825,7 +812,7 @@ SMESH::SMESH_Hypothesis_ptr SMESH_Gen_i::CreateHypothesis( const char* theHypNam
     SALOMEDS::SObject_wrap aSO = PublishHypothesis( hyp );
     if ( !aSO->_is_nil() ) {
       // Update Python script
-      TPythonDump() << aSO << " = " << this << ".CreateHypothesis('"
+      TPythonDump(this) << aSO << " = " << this << ".CreateHypothesis('"
                     << theHypName << "', '" << theLibName << "')";
     }
   }
@@ -849,7 +836,6 @@ SMESH_Gen_i::CreateHypothesisByAverageLength( const char*    theHypType,
                                               const char*    theLibName,
                                               CORBA::Double  theAverageLength,
                                               CORBA::Boolean theQuadDominated)
-  throw ( SALOME::SALOME_Exception )
 {
   SMESH::HypInitParams initParams = { ::SMESH_Hypothesis::BY_AVERAGE_LENGTH,
                                       theAverageLength, theQuadDominated };
@@ -861,7 +847,7 @@ SMESH_Gen_i::CreateHypothesisByAverageLength( const char*    theHypType,
                                   initParams );
   SALOMEDS::SObject_wrap so = PublishHypothesis( hyp );
 
-  TPythonDump() << hyp << " = " << this << ".CreateHypothesisByAverageLength( '"
+  TPythonDump(this) << hyp << " = " << this << ".CreateHypothesisByAverageLength( '"
                 << theHypType << "', '"
                 << theLibName << "', "
                 << theAverageLength << ", "
@@ -890,7 +876,6 @@ SMESH_Gen_i::GetHypothesisParameterValues( const char*                 theHypTyp
                                            SMESH::SMESH_Mesh_ptr       theMesh,
                                            GEOM::GEOM_Object_ptr       theGeom,
                                            const SMESH::HypInitParams& theParams)
-  throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
 
@@ -1080,7 +1065,6 @@ CORBA::Boolean SMESH_Gen_i::GetSoleSubMeshUsingHyp( SMESH::SMESH_Hypothesis_ptr
 //=============================================================================
 
 void SMESH_Gen_i::SetBoundaryBoxSegmentation( CORBA::Long theNbSegments )
-  throw ( SALOME::SALOME_Exception )
 {
   if ( theNbSegments > 0 )
     myGen.SetBoundaryBoxSegmentation( int( theNbSegments ));
@@ -1095,7 +1079,6 @@ void SMESH_Gen_i::SetBoundaryBoxSegmentation( CORBA::Long theNbSegments )
 //=============================================================================
 
 void SMESH_Gen_i::SetDefaultNbSegments(CORBA::Long theNbSegments)
-  throw ( SALOME::SALOME_Exception )
 {
   if ( theNbSegments > 0 )
     myGen.SetDefaultNbSegments( int(theNbSegments) );
@@ -1201,7 +1184,6 @@ char* SMESH_Gen_i::GetOption(const char* name)
 //=============================================================================
 
 SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CreateMesh( GEOM::GEOM_Object_ptr theShapeObject )
-     throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   if(MYDEBUG) MESSAGE( "SMESH_Gen_i::CreateMesh" );
@@ -1220,7 +1202,7 @@ SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CreateMesh( GEOM::GEOM_Object_ptr theShapeObj
     aStudyBuilder->CommitCommand();
     if ( !aSO->_is_nil() ) {
       // Update Python script
-      TPythonDump() << aSO << " = " << this << ".CreateMesh(" << theShapeObject << ")";
+      TPythonDump(this) << aSO << " = " << this << ".CreateMesh(" << theShapeObject << ")";
     }
   }
 
@@ -1236,7 +1218,6 @@ SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CreateMesh( GEOM::GEOM_Object_ptr theShapeObj
 //=============================================================================
 
 SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CreateEmptyMesh()
-     throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   if(MYDEBUG) MESSAGE( "SMESH_Gen_i::CreateMesh" );
@@ -1251,7 +1232,7 @@ SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CreateEmptyMesh()
     aStudyBuilder->CommitCommand();
     if ( !aSO->_is_nil() ) {
       // Update Python script
-      TPythonDump() << aSO << " = " << this << ".CreateEmptyMesh()";
+      TPythonDump(this) << aSO << " = " << this << ".CreateEmptyMesh()";
     }
   }
 
@@ -1266,7 +1247,7 @@ namespace
    */
   //================================================================================
 
-  void checkFileReadable( const char* theFileName ) throw ( SALOME::SALOME_Exception )
+  void checkFileReadable( const char* theFileName )
   {
     SMESH_File f ( theFileName );
     if ( !f )
@@ -1290,7 +1271,6 @@ namespace
 //=============================================================================
 
 SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CreateMeshesFromUNV( const char* theFileName )
-  throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
 
@@ -1306,7 +1286,7 @@ SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CreateMeshesFromUNV( const char* theFileName
     aStudyBuilder->CommitCommand();
     if ( !aSO->_is_nil() ) {
       // Update Python script
-      TPythonDump() << aSO << " = " << this << ".CreateMeshesFromUNV(r'" << theFileName << "')";
+      TPythonDump(this) << aSO << " = " << this << ".CreateMeshesFromUNV(r'" << theFileName << "')";
     }
   }
 
@@ -1353,7 +1333,7 @@ SMESH::mesh_array* SMESH_Gen_i::CreateMeshesFromMEDorSAUV( const char* theFileNa
   { // open a new scope to make aPythonDump die before PythonDump in SMESH_Mesh::GetGroups()
 
   // Python Dump
-  TPythonDump aPythonDump;
+  TPythonDump aPythonDump(this);
   aPythonDump << "([";
 
   if (theStatus == SMESH::DRS_OK) {
@@ -1421,7 +1401,6 @@ SMESH::mesh_array* SMESH_Gen_i::CreateMeshesFromMEDorSAUV( const char* theFileNa
 
 SMESH::mesh_array* SMESH_Gen_i::CreateMeshesFromMED( const char*                  theFileName,
                                                      SMESH::DriverMED_ReadStatus& theStatus)
-  throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   checkFileReadable( theFileName );
@@ -1441,7 +1420,6 @@ SMESH::mesh_array* SMESH_Gen_i::CreateMeshesFromMED( const char*
 
 SMESH::mesh_array* SMESH_Gen_i::CreateMeshesFromSAUV( const char*                  theFileName,
                                                       SMESH::DriverMED_ReadStatus& theStatus)
-     throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   checkFileReadable( theFileName );
@@ -1484,7 +1462,6 @@ SMESH::mesh_array* SMESH_Gen_i::CreateMeshesFromSAUV( const char*
 //=============================================================================
 
 SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CreateMeshesFromSTL( const char* theFileName )
-  throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   checkFileReadable( theFileName );
@@ -1506,7 +1483,7 @@ SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CreateMeshesFromSTL( const char* theFileName
     aStudyBuilder->CommitCommand();
     if ( !aSO->_is_nil() ) {
       // Update Python script
-      TPythonDump() << aSO << " = " << this << ".CreateMeshesFromSTL(r'" << theFileName << "')";
+      TPythonDump(this) << aSO << " = " << this << ".CreateMeshesFromSTL(r'" << theFileName << "')";
     }
   }
 
@@ -1525,7 +1502,6 @@ SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CreateMeshesFromSTL( const char* theFileName
 
 SMESH::mesh_array* SMESH_Gen_i::CreateMeshesFromCGNS( const char*                  theFileName,
                                                       SMESH::DriverMED_ReadStatus& theStatus)
-  throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   checkFileReadable( theFileName );
@@ -1545,7 +1521,7 @@ SMESH::mesh_array* SMESH_Gen_i::CreateMeshesFromCGNS( const char*
   { // open a new scope to make aPythonDump die before PythonDump in SMESH_Mesh::GetGroups()
 
     // Python Dump
-    TPythonDump aPythonDump;
+    TPythonDump aPythonDump(this);
     aPythonDump << "([";
 
     if (theStatus == SMESH::DRS_OK)
@@ -1613,7 +1589,6 @@ SMESH::SMESH_Mesh_ptr
 SMESH_Gen_i::CreateMeshesFromGMF( const char*             theFileName,
                                   CORBA::Boolean          theMakeRequiredGroups,
                                   SMESH::ComputeError_out theError)
-    throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   checkFileReadable( theFileName );
@@ -1634,7 +1609,7 @@ SMESH_Gen_i::CreateMeshesFromGMF( const char*             theFileName,
     aStudyBuilder->CommitCommand();
     if ( !aSO->_is_nil() ) {
       // Update Python script
-      TPythonDump() << "("<< aSO << ", error) = " << this << ".CreateMeshesFromGMF(r'"
+      TPythonDump(this) << "("<< aSO << ", error) = " << this << ".CreateMeshesFromGMF(r'"
                     << theFileName << "', "
                     << theMakeRequiredGroups << " )";
     }
@@ -1657,7 +1632,6 @@ SMESH_Gen_i::CreateMeshesFromGMF( const char*             theFileName,
 
 CORBA::Boolean SMESH_Gen_i::IsReadyToCompute( SMESH::SMESH_Mesh_ptr theMesh,
                                               GEOM::GEOM_Object_ptr theShapeObject )
-  throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   if(MYDEBUG) MESSAGE( "SMESH_Gen_i::IsReadyToCompute" );
@@ -1732,7 +1706,6 @@ SALOMEDS::SObject_ptr SMESH_Gen_i::GetAlgoSO(const ::SMESH_Algo* algo)
 
 SMESH::compute_error_array* SMESH_Gen_i::GetComputeErrors( SMESH::SMESH_Mesh_ptr theMesh,
                                                            GEOM::GEOM_Object_ptr theSubObject )
-  throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   if(MYDEBUG) MESSAGE( "SMESH_Gen_i::GetComputeErrors()" );
@@ -1807,7 +1780,6 @@ SMESH::compute_error_array* SMESH_Gen_i::GetComputeErrors( SMESH::SMESH_Mesh_ptr
 SMESH::MeshPreviewStruct*
 SMESH_Gen_i::GetBadInputElements( SMESH::SMESH_Mesh_ptr theMesh,
                                   CORBA::Short          theSubShapeID )
-  throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   if(MYDEBUG) MESSAGE( "SMESH_Gen_i::GetBadInputElements()" );
@@ -1895,7 +1867,6 @@ SMESH::ListOfGroups*
 SMESH_Gen_i::MakeGroupsOfBadInputElements( SMESH::SMESH_Mesh_ptr theMesh,
                                            CORBA::Short          theSubShapeID,
                                            const char*           theGroupName )
-  throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
 
@@ -1908,7 +1879,7 @@ SMESH_Gen_i::MakeGroupsOfBadInputElements( SMESH::SMESH_Mesh_ptr theMesh,
     if ( SMESH_Mesh_i* meshServant = SMESH::DownCast<SMESH_Mesh_i*>( theMesh ))
     {
       groups = meshServant->MakeGroupsOfBadInputElements( theSubShapeID, theGroupName );
-      TPythonDump() << groups << " = " << this
+      TPythonDump(this) << groups << " = " << this
                     << ".MakeGroupsOfBadInputElements( "
                     << theMesh << ", " << theSubShapeID << ", '" << theGroupName << "' )";
     }
@@ -1930,7 +1901,6 @@ SMESH_Gen_i::MakeGroupsOfBadInputElements( SMESH::SMESH_Mesh_ptr theMesh,
 
 SMESH::algo_error_array* SMESH_Gen_i::GetAlgoState( SMESH::SMESH_Mesh_ptr theMesh,
                                                     GEOM::GEOM_Object_ptr theSubObject )
-      throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   if(MYDEBUG) MESSAGE( "SMESH_Gen_i::GetAlgoState()" );
@@ -1992,7 +1962,6 @@ SMESH::algo_error_array* SMESH_Gen_i::GetAlgoState( SMESH::SMESH_Mesh_ptr theMes
 SMESH::long_array*
 SMESH_Gen_i::GetSubShapesId( GEOM::GEOM_Object_ptr      theMainShapeObject,
                              const SMESH::object_array& theListOfSubShapeObject )
-  throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   if(MYDEBUG) MESSAGE( "SMESH_Gen_i::GetSubShapesId" );
@@ -2066,7 +2035,6 @@ SMESH_Gen_i::GetSubShapesId( GEOM::GEOM_Object_ptr      theMainShapeObject,
 
 CORBA::Boolean SMESH_Gen_i::Compute( SMESH::SMESH_Mesh_ptr theMesh,
                                      GEOM::GEOM_Object_ptr theShapeObject )
-     throw ( SALOME::SALOME_Exception )
 {
   //MEMOSTAT;
   Unexpect aCatch(SALOME_SalomeException);
@@ -2081,7 +2049,7 @@ CORBA::Boolean SMESH_Gen_i::Compute( SMESH::SMESH_Mesh_ptr theMesh,
                                   SALOME::BAD_PARAM );
 
   // Update Python script
-  TPythonDump() << "isDone = " << this << ".Compute( "
+  TPythonDump(this) << "isDone = " << this << ".Compute( "
                 << theMesh << ", " << theShapeObject << ")";
 
   try {
@@ -2116,7 +2084,7 @@ CORBA::Boolean SMESH_Gen_i::Compute( SMESH::SMESH_Mesh_ptr theMesh,
       return ok;
     }
   }
-  catch ( std::bad_alloc ) {
+  catch ( std::bad_alloc& ) {
     INFOS( "Compute(): lack of memory" );
   }
   catch ( SALOME_Exception& S_ex ) {
@@ -2163,7 +2131,6 @@ SMESH::MeshPreviewStruct* SMESH_Gen_i::Precompute( SMESH::SMESH_Mesh_ptr theMesh
                                                    GEOM::GEOM_Object_ptr theShapeObject,
                                                    SMESH::Dimension      theDimension,
                                                    SMESH::long_array&    theShapesId)
-     throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   if(MYDEBUG) MESSAGE( "SMESH_Gen_i::Precompute" );
@@ -2327,7 +2294,7 @@ SMESH::MeshPreviewStruct* SMESH_Gen_i::Precompute( SMESH::SMESH_Mesh_ptr theMesh
       }
     }
   }
-  catch ( std::bad_alloc ) {
+  catch ( std::bad_alloc& ) {
     INFOS( "Precompute(): lack of memory" );
   }
   catch ( SALOME_Exception& S_ex ) {
@@ -2351,7 +2318,6 @@ SMESH::MeshPreviewStruct* SMESH_Gen_i::Precompute( SMESH::SMESH_Mesh_ptr theMesh
 SMESH::long_array* SMESH_Gen_i::Evaluate(SMESH::SMESH_Mesh_ptr theMesh,
                                          GEOM::GEOM_Object_ptr theShapeObject)
 //                                     SMESH::long_array& theNbElems)
-     throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   if(MYDEBUG) MESSAGE( "SMESH_Gen_i::Evaluate" );
@@ -2369,7 +2335,7 @@ SMESH::long_array* SMESH_Gen_i::Evaluate(SMESH::SMESH_Mesh_ptr theMesh,
     nbels[i] = 0;
 
   // Update Python script
-  TPythonDump() << "theNbElems = " << this << ".Evaluate( "
+  TPythonDump(this) << "theNbElems = " << this << ".Evaluate( "
                 << theMesh << ", " << theShapeObject << ")";
 
   try {
@@ -2412,7 +2378,7 @@ SMESH::long_array* SMESH_Gen_i::Evaluate(SMESH::SMESH_Mesh_ptr theMesh,
       return nbels._retn();
     }
   }
-  catch ( std::bad_alloc ) {
+  catch ( std::bad_alloc& ) {
     INFOS( "Evaluate(): lack of memory" );
   }
   catch ( SALOME_Exception& S_ex ) {
@@ -2439,7 +2405,6 @@ GEOM::GEOM_Object_ptr
 SMESH_Gen_i::GetGeometryByMeshElement( SMESH::SMESH_Mesh_ptr  theMesh,
                                        CORBA::Long            theElementID,
                                        const char*            theGeomName)
-  throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
 
@@ -2503,7 +2468,6 @@ SMESH_Gen_i::GetGeometryByMeshElement( SMESH::SMESH_Mesh_ptr  theMesh,
 GEOM::GEOM_Object_ptr
 SMESH_Gen_i::FindGeometryByMeshElement( SMESH::SMESH_Mesh_ptr  theMesh,
                                         CORBA::Long            theElementID)
-  throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
   if ( CORBA::is_nil( theMesh ) )
@@ -2579,7 +2543,6 @@ SMESH_Gen_i::Concatenate(const SMESH::ListOfIDSources& theMeshesArray,
                          CORBA::Boolean                theMergeNodesAndElements,
                          CORBA::Double                 theMergeTolerance,
                          SMESH::SMESH_Mesh_ptr         theMeshToAppendTo)
-  throw ( SALOME::SALOME_Exception )
 {
   return ConcatenateCommon(theMeshesArray,
                            theUniteIdenticalGroups,
@@ -2604,7 +2567,6 @@ SMESH_Gen_i::ConcatenateWithGroups(const SMESH::ListOfIDSources& theMeshesArray,
                                    CORBA::Boolean                theMergeNodesAndElements,
                                    CORBA::Double                 theMergeTolerance,
                                    SMESH::SMESH_Mesh_ptr         theMeshToAppendTo)
-  throw ( SALOME::SALOME_Exception )
 {
   return ConcatenateCommon(theMeshesArray,
                            theUniteIdenticalGroups,
@@ -2629,9 +2591,8 @@ SMESH_Gen_i::ConcatenateCommon(const SMESH::ListOfIDSources& theMeshesArray,
                                CORBA::Double                 theMergeTolerance,
                                CORBA::Boolean                theCommonGroups,
                                SMESH::SMESH_Mesh_ptr         theMeshToAppendTo)
-  throw ( SALOME::SALOME_Exception )
 {
-  std::unique_ptr< TPythonDump > pPythonDump( new TPythonDump );
+  std::unique_ptr< TPythonDump > pPythonDump( new TPythonDump(this) );
   TPythonDump& pythonDump = *pPythonDump; // prevent dump of called methods
 
   // create mesh if theMeshToAppendTo not provided
@@ -2909,11 +2870,10 @@ SMESH::SMESH_Mesh_ptr SMESH_Gen_i::CopyMesh(SMESH::SMESH_IDSource_ptr meshPart,
                                             const char*               meshName,
                                             CORBA::Boolean            toCopyGroups,
                                             CORBA::Boolean            toKeepIDs)
-  throw ( SALOME::SALOME_Exception )
 {
   Unexpect aCatch(SALOME_SalomeException);
 
-  TPythonDump* pyDump = new TPythonDump; // prevent dump from CreateMesh()
+  TPythonDump* pyDump = new TPythonDump(this); // prevent dump from CreateMesh()
   std::unique_ptr<TPythonDump> pyDumpDeleter( pyDump );
 
   // 1. Get source mesh
@@ -3684,7 +3644,6 @@ CORBA::Boolean SMESH_Gen_i::CopyMeshWithGeom( SMESH::SMESH_Mesh_ptr       theSou
                                               SMESH::submesh_array_out    theNewSubmeshes,
                                               SMESH::ListOfHypothesis_out theNewHypotheses,
                                               SMESH::string_array_out     theInvalidEntries)
-throw ( SALOME::SALOME_Exception )
 {
   if ( CORBA::is_nil( theSourceMesh ) ||
        CORBA::is_nil( theNewGeometry ))
@@ -3696,7 +3655,7 @@ throw ( SALOME::SALOME_Exception )
   bool ok = true;
   SMESH_TRY;
 
-  TPythonDump pyDump; // prevent dump from CreateMesh()
+  TPythonDump pyDump(this); // prevent dump from CreateMesh()
 
   theNewMesh        = CreateMesh( theNewGeometry );
   theNewGroups      = new SMESH::ListOfGroups();
@@ -4256,7 +4215,7 @@ SALOMEDS::TMPFile* SMESH_Gen_i::Save( SALOMEDS::SComponent_ptr theComponent,
           SMESH::SMESH_Mesh_var myMesh = SMESH::SMESH_Mesh::_narrow( anObject ) ;
           if ( !myMesh->_is_nil() ) {
             myMesh->Load(); // load from study file if not yet done
-            TPythonDump pd; // not to dump GetGroups()
+            TPythonDump pd(this); // not to dump GetGroups()
             SMESH::ListOfGroups_var groups = myMesh->GetGroups();
             for ( CORBA::ULong i = 0; i < groups->length(); ++i )
             {
@@ -4790,7 +4749,8 @@ SALOMEDS::TMPFile* SMESH_Gen_i::Save( SALOMEDS::SComponent_ptr theComponent,
 
             // store submesh order if any
             const TListOfListOfInt& theOrderIds = myLocMesh.GetMeshOrder();
-            if ( theOrderIds.size() ) {
+            const bool isNewOrederVersion = true; // old version saves ids, new one, entries
+            if ( !theOrderIds.empty() && !isNewOrederVersion ) { // keep old version for reference
               char order_list[ 30 ];
               strcpy( order_list, "Mesh Order" );
               // count number of submesh ids
@@ -4821,6 +4781,38 @@ SALOMEDS::TMPFile* SMESH_Gen_i::Save( SALOMEDS::SComponent_ptr theComponent,
               //
               delete[] smIDs;
             }
+            if ( !theOrderIds.empty() && isNewOrederVersion )
+            {
+              // convert ids to entries
+              std::list< std::list< std::string > > orderEntryLists;
+              for ( const TListOfInt& idList : theOrderIds )
+              {
+                orderEntryLists.emplace_back();
+                std::list< std::string > & entryList = orderEntryLists.back();
+                for ( const int& id : idList )
+                {
+                  const TopoDS_Shape& shape = mySMESHDSMesh->IndexToShape( id );
+                  GEOM::GEOM_Object_var  go = ShapeToGeomObject( shape );
+                  SALOMEDS::SObject_var  so = ObjectToSObject( go );
+                  if ( !so->_is_nil() )
+                  {
+                    CORBA::String_var entry = so->GetID();
+                    entryList.emplace_back( entry.in() );
+                  }
+                }
+              }
+              // convert orderEntryLists to string
+              std::ostringstream ostream;
+              boost::archive::text_oarchive( ostream ) << orderEntryLists;
+              std::string orderEntryString = ostream.str();
+
+              // write HDF group
+              aSize[ 0 ] = orderEntryString.size() + 1;
+              aDataset = new HDFdataset( "MeshOrder_new", aTopGroup, HDF_STRING, aSize, 1 );
+              aDataset->CreateOnDisk();
+              aDataset->WriteOnDisk((char*) orderEntryString.data() );
+              aDataset->CloseOnDisk();
+            }
 
             // groups root sub-branch
             SALOMEDS::SObject_wrap myGroupsBranch;
@@ -5219,7 +5211,7 @@ bool SMESH_Gen_i::Load( SALOMEDS::SComponent_ptr theComponent,
     return false;
   }
 
-  TPythonDump pd; // prevent dump during loading
+  TPythonDump pd(this); // prevent dump during loading
 
   // For PAL13473 ("Repetitive mesh") implementation.
   // New dependencies between SMESH objects are established:
@@ -5968,7 +5960,7 @@ bool SMESH_Gen_i::Load( SALOMEDS::SComponent_ptr theComponent,
       }
 
       // read Sub-Mesh ORDER if any
-      if ( aTopGroup->ExistInternalObject( "Mesh Order" )) {
+      if ( aTopGroup->ExistInternalObject( "Mesh Order" )) { // old version keeps ids
         aDataset = new HDFdataset( "Mesh Order", aTopGroup );
         aDataset->OpenOnDisk();
         size = aDataset->GetSize();
@@ -5986,6 +5978,37 @@ bool SMESH_Gen_i::Load( SALOMEDS::SComponent_ptr theComponent,
         myNewMeshImpl->GetImpl().SetMeshOrder( anOrderIds );
         delete [] smIDs;
       }
+      if ( aTopGroup->ExistInternalObject( "MeshOrder_new" )) // new version keeps entries
+      {
+        aDataset = new HDFdataset( "MeshOrder_new", aTopGroup );
+        aDataset->OpenOnDisk();
+        size = aDataset->GetSize();
+        std::string dataString; dataString.resize( size );
+        aDataset->ReadFromDisk((char*) dataString.data() );
+        aDataset->CloseOnDisk();
+
+        std::istringstream istream( dataString.data() );
+        boost::archive::text_iarchive archive( istream );
+        std::list< std::list< std::string > > orderEntryLists;
+        try {
+          archive >> orderEntryLists;
+        }
+        catch (...) {}
+
+        TListOfListOfInt anOrderIds;
+        for ( const std::list< std::string >& entryList : orderEntryLists )
+        {
+          anOrderIds.emplace_back();
+          for ( const std::string & entry : entryList )
+          {
+            GEOM::GEOM_Object_var go = GetGeomObjectByEntry( entry );
+            TopoDS_Shape       shape = GeomObjectToShape( go );
+            if ( SMESH_subMesh*   sm = myNewMeshImpl->GetImpl().GetSubMesh( shape ))
+              anOrderIds.back().emplace_back( sm->GetId() );
+          }
+        }
+        myNewMeshImpl->GetImpl().SetMeshOrder( anOrderIds );
+      }
     } // loop on meshes
 
     // update hyps needing full mesh data restored (issue 20918)
@@ -6045,7 +6068,6 @@ bool SMESH_Gen_i::Load( SALOMEDS::SComponent_ptr theComponent,
       }
     }
   }
-  pd << ""; // prevent optimizing pd out
 
   // creation of tree nodes for all data objects in the study
   // to support tree representation customization and drag-n-drop:
@@ -6309,7 +6331,6 @@ CORBA::Boolean SMESH_Gen_i::IsApplicable ( const char*           theAlgoType,
   SMESH_TRY;
 
   std::string aPlatformLibName;
-  typedef GenericHypothesisCreator_i* (*GetHypothesisCreator)(const char*);
   GenericHypothesisCreator_i* aCreator =
     getHypothesisCreator(theAlgoType, theLibName, aPlatformLibName);
   if (aCreator)
@@ -6545,26 +6566,3 @@ std::vector<long> SMESH_Gen_i::_GetInside( SMESH::SMESH_IDSource_ptr meshPart,
   }
   return res;
 }
-
-//=============================================================================
-/*!
- *  SMESHEngine_factory
- *
- *  C factory, accessible with dlsym, after dlopen
- */
-//=============================================================================
-
-extern "C"
-{ SMESH_I_EXPORT
-  PortableServer::ObjectId* SMESHEngine_factory( CORBA::ORB_ptr            orb,
-                                                 PortableServer::POA_ptr   poa,
-                                                 PortableServer::ObjectId* contId,
-                                                 const char*               instanceName,
-                                                 const char*               interfaceName )
-  {
-    if(MYDEBUG) MESSAGE( "PortableServer::ObjectId* SMESHEngine_factory()" );
-    if(MYDEBUG) SCRUTE(interfaceName);
-    SMESH_Gen_i* aSMESHGen = new SMESH_Gen_i(orb, poa, contId, instanceName, interfaceName);
-    return aSMESHGen->getId() ;
-  }
-}