public PartStatistics retrieveEntryStatistics(String userId, long entryId) {
Entry entry = dao.get(entryId);
if (entry == null) return null;
authorization.expectRead(userId, entry);
PartStatistics statistics = new PartStatistics();
statistics.setEntryId(entryId);
statistics.setCommentCount(commentDAO.getCommentCount(entry));
int traceSequenceCount = DAOFactory.getTraceSequenceDAO().getTraceSequenceCount(entry);
statistics.setTraceSequenceCount(traceSequenceCount);
int sampleCount = DAOFactory.getSampleDAO().getSampleCount(entry);
statistics.setSampleCount(sampleCount);
int historyCount = DAOFactory.getAuditDAO().getHistoryCount(entry);
statistics.setHistoryCount(historyCount);
int eddCount = DAOFactory.getExperimentDAO().getExperimentCount(entryId);
statistics.setExperimentalDataCount(eddCount);
return statistics;
}
