/// Returns the current operation or NULL
/// \return the current operation
ModuleBase_Operation* currentOperation() const;
+ /// Returns true is operation manager has at least one non-null operation.
+ bool hasOperation() const;
+ /// Returns number of operations in the stack
+ int operationsCount() const;
/// Start the operation and append it to the stack of operations
/// \param theOperation the started operation
/// \return the state whether the current operation is started