X-Git-Url: http://git.salome-platform.org/gitweb/?p=modules%2Fsmesh.git;a=blobdiff_plain;f=src%2FSMESHDS%2FSMESH_Controls.hxx;h=442cc15319658fe129f37ff9a0045fbd88e68b02;hp=521a168ee8999e253055d5fb0e0b34fb9c88ce48;hb=0fc0831670e27a5611b941c52dc152fd63964515;hpb=ef3921b2afe32874a6a266ceea8a12a30cc6f17c

diff --git a/src/SMESHDS/SMESH_Controls.hxx b/src/SMESHDS/SMESH_Controls.hxx
index 521a168ee..442cc1531 100644
--- a/src/SMESHDS/SMESH_Controls.hxx
+++ b/src/SMESHDS/SMESH_Controls.hxx
@@ -1,4 +1,4 @@
-// Copyright (C) 2007-2016  CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2020  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
@@ -43,8 +43,8 @@
 
 class SMDS_Mesh;
 
-namespace SMESH{
-  namespace Controls{
+namespace SMESH {
+  namespace Controls {
 
     /*
       Class       : Functor
@@ -67,10 +67,11 @@ namespace SMESH{
       Class       : Predicate
       Description : Base class for all predicates
     */
-    class SMESHCONTROLS_EXPORT Predicate: public virtual Functor{
+    class SMESHCONTROLS_EXPORT Predicate: public virtual Functor {
     public:
       virtual bool IsSatisfy( long theElementId ) = 0;
       virtual SMDSAbs_ElementType GetType() const = 0;
+      virtual Predicate* clone() const { return 0; } // return a thread-safe copy of this
     };
     typedef boost::shared_ptr<Predicate> PredicatePtr;