private class MyBeanTransformer extends AliasToBeanResultTransformer{
        private static final long serialVersionUID = 6961097881203086815L;

        public MyBeanTransformer(Class resultClass) {
            super(resultClass);
        }

        @Override
        public List<BeanClass> transformList(List list) {
            ArrayList<BeanClass> result = new ArrayList<BeanClass>();
            for (Object object : list) {
                BeanClass row = (BeanClass) object;
                if(!result.contains(row)){
                    result.add(row);
                } else{
                    BeanClass model = result.get(result.indexOf(row));
                    if(model.getOthers() != null)
                        model.getOthers().addAll(row.getOthers());
                }
            }
            return super.transformList(result);
        }

        @Override
        public BeanClass transformTuple(Object[] tuple, String[] aliases) {
            Long id = Long.parseLong(tuple[0].toString());
            Long name = tuple[1].toString();

            Set<Long> others = null;
            if(tuple[4] != null)
                others= setWithOneElement(Long.parseLong(tuple[2].toString()));

            return new BeanClass(id, name, others);
        }

        private Set<Long> setWithOneElement(Long element){
            return new HashSet<Long>(Arrays.asList(new Long[]{element}));
        }
    }