throw new DomainException(this.getClass().getName(), "error.summary.already.exists");
throw new DomainException("error.summary.already.exists");
    private void checkIfSummaryExistFor(final Date summaryDate, final Date summaryHour) {        final Iterator associatedSummaries = getAssociatedSummariesIterator();        while (associatedSummaries.hasNext()) {            ISummary summary = (ISummary) associatedSummaries.next();            if (summary.getSummaryDate().equals(summaryDate)                    && summary.getSummaryHour().equals(summaryHour)) {                throw new DomainException(this.getClass().getName(), "error.summary.already.exists");            }        }        return;    }