public void rollbackMethodNull(String stepId) throws WorkflowException {
  WorkflowStepCompleter.stepSucceded(stepId);
}

public void rollbackMethodNull ( String stepId ) throws WorkflowException { WorkflowStepCompleter . stepSucceded ( stepId ) ; }
a rollback workflow method that does nothing , but allows rollback to continue to prior steps back up the workflow chain . can be and is used in workflows in other controllers that invoke operations on this file controller . if the file operation happens to fail , this no - op rollback method is invoked . it says the rollback step succeeded , which will then allow other rollback operations to execute for other workflow steps executed by the other controller .
