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