public UISelectItems getBeginExecutionPeriodItemsForRule() throws FenixFilterException, FenixServiceException {
public UISelectItems getBeginExecutionPeriodItemsForRule() {
    public UISelectItems getBeginExecutionPeriodItemsForRule() throws FenixFilterException, FenixServiceException {        if (beginExecutionPeriodItemsForRule == null) {            beginExecutionPeriodItemsForRule = new UISelectItems();            beginExecutionPeriodItemsForRule.setValue(readExecutionPeriodItems());        }        return beginExecutionPeriodItemsForRule;    }