--- /dev/null
+// Copyright (C) 2014-2020 CEA/DEN, EDF R&D
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License, or (at your option) any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
+#ifndef COLLECTIONPLUGIN_GROUPMERGE_H_
+#define COLLECTIONPLUGIN_GROUPMERGE_H_
+
+#include "CollectionPlugin.h"
+#include "CollectionPlugin_GroupOperation.h"
+#include "ModelAPI_ResultGroup.h"
+
+/**\class CollectionPlugin_GroupMerge
+ * \ingroup Plugins
+ * \brief Merge several groups of same or different shape type,
+ * \the validator being used for the shape type.
+ */
+class CollectionPlugin_GroupMerge: public CollectionPlugin_GroupOperation
+{
+public:
+ /// attribute name of selected entities list
+ inline static const std::string& LIST_ID()
+ {
+ static const std::string MY_GROUP_LIST_ID("group_list");
+ return MY_GROUP_LIST_ID;
+ }
+
+
+ /// Creates a new group result if needed
+ COLLECTIONPLUGIN_EXPORT void execute(ResultGroupPtr & aGroup);
+
+ /// Request for initialization of data model of the feature: adding all attributes
+ COLLECTIONPLUGIN_EXPORT virtual void initAttributes();
+
+ /// Use plugin manager for features creation
+ CollectionPlugin_GroupMerge() = default;
+
+};
+
+#endif
