* @throws SystemException if a system exception occurred
*/
@Override
public LFActivityStateNode fetchByPrimaryKey(Serializable primaryKey)
throws SystemException {
LFActivityStateNode lfActivityStateNode = (LFActivityStateNode) EntityCacheUtil.getResult(LFActivityStateNodeModelImpl.ENTITY_CACHE_ENABLED,
LFActivityStateNodeImpl.class, primaryKey);
if (lfActivityStateNode == _nullLFActivityStateNode) {
return null;
}