--- /dev/null
+// Copyright (C) 2014-2017 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<mailto:webmaster.salome@opencascade.com>
+//
+
+#ifndef CollectionPlugin_Validators_H
+#define CollectionPlugin_Validators_H
+
+#include "CollectionPlugin.h"
+#include <ModelAPI_FeatureValidator.h>
+
+/**\class SketchPlugin_SolverErrorValidator
+* \ingroup Validators
+* \brief Validator for the solver error.
+*
+* Simply checks that solver error attribute is empty. Returns the attribute value as an error.
+*/
+class CollectionPlugin_FieldValidator : public ModelAPI_FeatureValidator
+{
+public:
+ //! returns true if there are no solver errors
+ //! \param theFeature the checked feature
+ //! \param theArguments arguments of the feature (not used)
+ //! \param theError error message
+ virtual bool isValid(const FeaturePtr& theFeature,
+ const std::list<std::string>& theArguments,
+ Events_InfoMessage& theError) const;
+};
+
+#endif
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