X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FSMESHDS%2FSMESHDS_GroupBase.cxx;h=89542aded12723b5e7ed9ba4dab172a9052c2971;hp=818c52009306bfed4f4b76d5096f4f8543377c49;hb=refs%2Ftags%2FV9_7_0a1;hpb=c98d9fcd7f02c1f1f5c24dd3e709ed75228d66c4

diff --git a/src/SMESHDS/SMESHDS_GroupBase.cxx b/src/SMESHDS/SMESHDS_GroupBase.cxx
index 818c52009..89542aded 100644
--- a/src/SMESHDS/SMESHDS_GroupBase.cxx
+++ b/src/SMESHDS/SMESHDS_GroupBase.cxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2016  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2021  CEA/DEN, EDF R&D, OPEN CASCADE
 //
 // Copyright (C) 2003-2007  OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
@@ -51,11 +51,11 @@ SMESHDS_GroupBase::SMESHDS_GroupBase (const int                 theID,
 
 //=============================================================================
 /*!
- *  
+ *  Don't use it!
  */
 //=============================================================================
 
-int SMESHDS_GroupBase::GetID (const int theIndex)
+smIdType SMESHDS_GroupBase::GetID (const int theIndex)
 {
   if (myCurIndex < 1 || myCurIndex > theIndex) {
     myIterator = GetElements();
@@ -75,7 +75,7 @@ int SMESHDS_GroupBase::GetID (const int theIndex)
  */
 //=============================================================================
 
-const SMDS_MeshElement* SMESHDS_GroupBase::findInMesh (const int theID) const
+const SMDS_MeshElement* SMESHDS_GroupBase::findInMesh (const smIdType theID) const
 {
   SMDSAbs_ElementType aType = GetType();
   const SMDS_MeshElement* aElem = NULL;
@@ -107,10 +107,10 @@ void SMESHDS_GroupBase::resetIterator()
 //purpose  : 
 //=======================================================================
 
-int SMESHDS_GroupBase::Extent() const
+smIdType SMESHDS_GroupBase::Extent() const
 {
   SMDS_ElemIteratorPtr it = GetElements();
-  int nb = 0;
+  smIdType nb = 0;
   if ( it )
     for ( ; it->more(); it->next() ) 
       nb++;
@@ -124,6 +124,9 @@ int SMESHDS_GroupBase::Extent() const
 
 bool SMESHDS_GroupBase::IsEmpty()
 {
+  if ( myMesh->GetMeshInfo().NbElements( myType ) == 0 )
+    // avoid long iteration over sub-meshes of a complex sub-mesh of a group on geometry
+    return true;
   SMDS_ElemIteratorPtr it = GetElements();
   return ( !it || !it->more() );
 }
@@ -133,7 +136,7 @@ bool SMESHDS_GroupBase::IsEmpty()
 //purpose  : 
 //=======================================================================
 
-bool SMESHDS_GroupBase::Contains (const int theID)
+bool SMESHDS_GroupBase::Contains (const smIdType theID)
 {
   if ( SMDS_ElemIteratorPtr it = GetElements() ) {
     while ( it->more() )