+ /// Returns the invalid data pointer (to avoid working with NULL shared pointers in swig)
+ MODEL_EXPORT virtual std::shared_ptr<ModelAPI_Data> invalidPtr();
+
+ /// Returns the invalid data pointer: static method
+ static std::shared_ptr<ModelAPI_Data> invalidData();
+
+ /// Identifier of the transaction when object (feature or result) was updated last time.
+ MODEL_EXPORT virtual int updateID();
+
+ /// Identifier of the transaction when object (feature or result) was updated last time.
+ /// This method is called by the updater.
+ MODEL_EXPORT virtual void setUpdateID(const int theID);
+
+ /// Returns true if the given object is owner of this data (needed for correct erase of object
+ /// with duplicated data)
+ MODEL_EXPORT virtual std::shared_ptr<ModelAPI_Object> owner();
+
+protected:
+ /// Returns true if "is in history" custom behaviors is defined for the feature
+ MODEL_EXPORT virtual bool isInHistory();
+
+ /// Defines the custom "is in history" behavior
+ MODEL_EXPORT virtual void setIsInHistory(const bool theFlag);
+
+ /// Returns true if the object is deleted, but some data is still kept in memory
+ MODEL_EXPORT virtual bool isDeleted();
+
+ /// Sets true if the object is deleted, but some data is still kept in memory
+ MODEL_EXPORT virtual void setIsDeleted(const bool theFlag);
+
+ /// Erases all attributes from myAttrs, but keeping them in the data structure
+ void clearAttributes();
+