public class WFWSimpleDAOImpl<ObjectClass> implements WFWSimpleDAO<ObjectClass> {

public List<ObjectClass> retrieve(Object[] params) throws Exception {

return (List<ObjectClass>) getJdbcTemplate().query(sqlToExec, params, new BeanPropertyRowMapper<ObjectClass>())

BeanPropertyRowMapper(Class mappedClass)

BeanPropertyRowMapper(ObjectClass)

ObjectClass can not be resolved to a variable

Class<?> objClass = TypeResolver.resolveRawArgument(WFWSimpleDAO.class, dao.getClass());

Class<ObjectClass> classOfObjectClass = (Class<ObjectClass>) ((ParameterizedType) getClass().getGenericSuperclass()).getActualTypeArguments()[0];
return (List<ObjectClass>) getJdbcTemplate().query(sqlToExec, params, new BeanPropertyRowMapper(classOfObjectClass));