Well, I don't have DAOs in this particular project - it's an EJB3
project where I'm simply using SLSBs as DAOs....so I have the
EntityManager to work from and I should be able to bring the two
together to facilitate this...
This may be easier than I thought....
On 7/18/06, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
> yep, you have to code your daos with paging and sorting in mind, it cannot
> be slapped on as an afterthought.
>
> let me give you some clues
>
> see the attached QueryParam class, all my finder dao methods take it so that
> they can page/sort accordingly.
>
> hope it gets you started
>
>
> -Igor
>
>
>
>
> On 7/18/06, Vincent Jenks <[EMAIL PROTECTED] > wrote:
> > Currently I don't have anything like the ContactsDatabase class in
> > 'examples' - I'm just pulling a list of data and displaying in a
> > ListView....but it appears now that I'm browsing through I'm going to
> > have to create one and implement some of the methods like you have in
> > order to get paging/sorting.
> >
> > I'll play w/ it...it was just a little more than I expected once I
> > started digging into it.
> >
> > On 7/18/06, Igor Vaynberg <[EMAIL PROTECTED]> wrote:
> > > what could be simpler then the dataview? its just like a listview only
> > > instead of being fed off the list it is fed from the idataprovider.
> > >
> > > class mydataprovider implements idataprovider() {
> > > iterator iterator(int first, int count) {
> > > return mydao.findcontacts(first, count).iterator();
> > > }
> > >
> > > int size() {
> > > return mydao.countcontacts();
> > > }
> > >
> > > model model(object o) {
> > > Contact contact=(Contact)o;
> > > return new ContactDetachableModel(contact);
> > > //or return new Model(contact);
> > > }
> > > }
> > >
> > > and that gets you paging, sorting is like this
> > >
> > > mydataprovider extends sortabledataprovider {
> > > // ditto from above
> > >
> > > iterator iterator(int first, int last) {
> > > return mydao.findcontacts(first, last, getsort().getproperty(),
> > > getsort().getcount();
> > > }
> > >
> > > }
> > >
> > >
> > > if you have more specific questions i will be happy to help you
> > >
> > > -Igor
> > >
> > >
> > >
> > >
> > >
> > > On 7/18/06, Vincent Jenks <[EMAIL PROTECTED]> wrote:
> > > >
> > > Is there something smaller & simpler out there I could refer to for
> > > sorting? I've glanced at the DataView example a few times and once I
> > > start digging in it just seems unwieldly to me. I'm simply trying to
> > > sort a List of entities and the getContactsDB() stuff in the examples
> > > is a bit complicated to try and pick through.
> > >
> > > I gave paging a shot yesterday but quickly figured out it wouldn't be
> > > a snap to throw together like most wicket stuff I've done so
> > > far....I'm in a crunch or I'd spend more time banging my head on the
> > > table.
> > >
> > > I think if I just had a couple real-world examples I'd pick it up
> faster.
> > >
> > > How's that book coming along? :D
> > >
> > > Thanks!
> > >
> > >
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