* @throws SystemException if a system exception occurred
*/
@Override
public LFRollupRule findByPrimaryKey(Serializable primaryKey)
throws NoSuchLFRollupRuleException, SystemException {
LFRollupRule lfRollupRule = fetchByPrimaryKey(primaryKey);
if (lfRollupRule == null) {
if (_log.isWarnEnabled()) {
_log.warn(_NO_SUCH_ENTITY_WITH_PRIMARY_KEY + primaryKey);
}