Any one can show me the direction of how to use Paging? Thank yopu
2012/1/23 Daniel Mauricio Patino León <ceo.lion....@gmail.com>
> Hello everyone.
>
> I dont understan how paging works, and i cant get a SimplePaging get
> work with my example.
>
> I have a CellTable whit my own AsyncDataProvider:
>
> public class PersonDataProvider extends
> AsyncDataProvider<PersonProxy> {
>
> private final PersonRequestFactory requestFactory;
>
> public PersonDataProvider(PersonRequestFactory requestFactory) {
> super(null);
> this.requestFactory = requestFactory;
> }
> @Override
> protected void onRangeChanged(final HasData<PersonProxy> display) {
> final Range range = display.getVisibleRange();
> final int start = range.getStart();
> /* not used insted use
> display.getVisibleRange().getLength() as MAX
> values*/
> final int end = start + range.getLength();
>
>
>
> requestFactory.personRequest().getAllPersons(start,display.getVisibleRange().getLength()).with("pet").fire(new
> Receiver<List<PersonProxy>>(){
> @Override
> public void onSuccess(List<PersonProxy> response) {
> /* what should i have here? */
> updateRowData(start, response);
> }
> });
> }
>
> @Override
> public void addDataDisplay(HasData<PersonProxy> display) {
> super.addDataDisplay(display);
> // Request the count anytime a view is added.
> requestFactory.personRequest().countPersons().fire(new
> Receiver<Long>(){
> public void onSuccess(Long response) {
> // the total count from server
> updateRowCount(response.intValue(), true);
> }
> });
> }
> }
>
>
> Then i got in my DataAccesObject:
>
> public List<Person> getAllPersons(int start,int max){
> Session session =
> HibernateUtil.getSessionFactory().openSession();
> Transaction tx = null;
> try {
> tx = session.beginTransaction();
>
> System.out.println(" limit "+start+",5");
> @SuppressWarnings("unchecked")
> List<Person> persons =
>
> session.createCriteria(Person.class).addOrder(Order.desc("myAge")).setFirstResult(start).setMaxResults(max).list();
>
> System.out.println("List size "+persons.size());
>
> tx.commit();
> return persons;
> } catch (RuntimeException e) {
> if (tx != null)
> tx.rollback();
> throw e;
> } finally {
> session.close();
> }
> }
>
>
> But i cant it work the paging isn't show me the right berhaivor.
>
> How can i use SimplePager with Hibernate on the server Side.
>
> Thank you.
>
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>
--
ISC. Daniel Mauricio Patiño León.
Director ejecutivo
Liondev S.A. de C.V.
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