public void DeleteProcess(Guid processId)
        {
            using (OracleConnection connection = new OracleConnection(ConnectionString))
            {
                WorkflowProcessInstance.Delete(connection, processId);
                WorkflowProcessInstanceStatus.Delete(connection, processId);
                WorkflowProcessInstancePersistence.DeleteByProcessId(connection, processId);
                WorkflowProcessTransitionHistory.DeleteByProcessId(connection, processId);
                WorkflowProcessTimer.DeleteByProcessId(connection, processId);

                WorkflowProcessInstance.Commit(connection);
            }
        }