In my application, instead of flatfile, i used XML to have the key and value
(again these entries are used for drop down) and i read the values using
xPath api's. Given that the country list is static as said before, i guess
it should be work fine.
Thanks
Hari
2010/7/10 cscsaba <strongfr...@gmail.com>
> Hello,
>
> I dont know the way of generating sequence 1,2,3 for countries by JPA.
> It generates keys which are not agree with country codes.
> Sorry, I was not clear enough.
>
> On júl. 9, 09:51, Nacho Coloma <icol...@gmail.com> wrote:
> > That seems like good advice. For this concrete use case there is a
> > country list included with your JDK:
> >
> > Locale[] locales = Locale.getAvailableLocales();
> > for (Locale locale : locales) {
> > countries.add(new Option(locale.getCountry(),
> > locale.getDisplayCountry(currentLocale)));
> >
> > }
> >
> > On Jul 8, 7:11 pm, "Ikai L (Google)" <ika...@google.com> wrote:
> >
> > > Why not just load these from a flatfile and load it into local memory?
> The
> > > number of countries in the world is something that changes very
> > > infrequently.
> >
> > > On Mon, Jul 5, 2010 at 12:28 PM, cscsaba <strongfr...@gmail.com>
> wrote:
> > > > Hello,
> >
> > > > What is the best practice to generation sequence ids for persistence
> > > > classes like Country's id (for Country drop down)?
> > > > I mean:
> > > > 1.Hungary
> > > > 2.US
> > > > 3.Spain
> >
> > > > The well known Toplink annotation help suggest the following.
> >
> > > > @SequenceGenerator(name="CUST_SEQ", allocationSize=25)
> > > > @GeneratedValue(strategy=SEQUENCE, generator="CUST_SEQ")
> >
> > > > But the SEQUENCE strategy is invalid (underlined by Eclipse)
> >
> > > > Is there any real world GAE - JPA example with drop downs anywhere ?
> > > > What is the paved way to persisting classes with sequential ids ?
> >
> > > > Thanks in advance.
> >
> > > > cscsaba
> >
> > > > (Since there many case when we have to upload these entities from
> file with
> > > > their own ids - Country, City and many more)
> >
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