InfoExecutionPeriod previousInfoExecutionPeriod = (executionPeriod != null) ? InfoExecutionPeriod.newInfoFromDomain(executionPeriod.getPreviousExecutionPeriod()) : null;  request.setAttribute("previousInfoExecutionPeriod", previousInfoExecutionPeriod); return previousInfoExecutionPeriod;
request.setAttribute("previousInfoExecutionPeriod", previousInfoExecutionPeriod); return previousInfoExecutionPeriod;
    private InfoExecutionPeriod getPreviousExecutionPeriod(HttpServletRequest request) throws FenixServiceException, FenixFilterException {        InfoExecutionPeriod infoExecutionPeriod = (InfoExecutionPeriod) request.getAttribute(SessionConstants.EXECUTION_PERIOD);        final ExecutionPeriod executionPeriod = rootDomainObject.readExecutionPeriodByOID(infoExecutionPeriod.getIdInternal());        InfoExecutionPeriod previousInfoExecutionPeriod = (executionPeriod != null) ? InfoExecutionPeriod.newInfoFromDomain(executionPeriod.getPreviousExecutionPeriod()) : null;        request.setAttribute("previousInfoExecutionPeriod", previousInfoExecutionPeriod);        return previousInfoExecutionPeriod;    }