+ //! Starts a new operation (opens a transaction)
+ //! \param theId of operation for history (optional)
+ //! \param theAttachedToNested if it is true, it means that this transaction is attached to the nested
+ //! where it is located and will be committed on the next commit with the nested
+ virtual void startOperation(
+ const std::string& theId = "", const bool theAttachedToNested = false) = 0;