23418: [OCC] Mesh: Minimization of memory usage of SMESH

[modules/smesh.git] / src / SMESHDS / SMESHDS_GroupOnFilter.hxx

diff --git a/src/SMESHDS/SMESHDS_GroupOnFilter.hxx b/src/SMESHDS/SMESHDS_GroupOnFilter.hxx
index 94bc25af44f4dde93e41f5ef24a565f1084c2e46..9b235c1a318dc31a1da240da1d7adae7284350b7 100644 (file)
--- a/src/SMESHDS/SMESHDS_GroupOnFilter.hxx
+++ b/src/SMESHDS/SMESHDS_GroupOnFilter.hxx
@@ -27,13 +27,14 @@
 
 #include "SMESH_SMESHDS.hxx"
 
+#include "SMDS_ElementHolder.hxx"
 #include "SMESHDS_GroupBase.hxx"
 #include "SMESH_Controls.hxx"
-  
+
 /*!
  * \brief Groups whose contents is dynamically updated using the filter
  */
-class SMESHDS_EXPORT SMESHDS_GroupOnFilter: public SMESHDS_GroupBase
+class SMESHDS_EXPORT SMESHDS_GroupOnFilter: public SMESHDS_GroupBase, SMDS_ElementHolder
 {
  public:
 
@@ -69,6 +70,13 @@ class SMESHDS_EXPORT SMESHDS_GroupOnFilter: public SMESHDS_GroupBase
 
   bool         IsUpToDate() const;
 
+ protected: // methods of SMDS_ElementHolder
+
+  virtual SMDS_ElemIteratorPtr getElements();
+  virtual void tmpClear();
+  virtual void add( const SMDS_MeshElement* element );
+  virtual void compact() {};
+
  private:
 
   void update() const;