I don't know. But then again, this is an orion-list and it wasn't
cross-posted to any other forum, so... :) :) :)
On Fri, 12 May 2000, Neville Burnell wrote:
> Are the Counter classes free to distribute? (and preferably open source)
> If not then using them will tie you to Orion.
>
> Kind Regards
>
> Neville Burnell
> Business Manager Software
>
> > -----Original Message-----
> > From: Mike Cannon-Brookes [mailto:[EMAIL PROTECTED]]
> > Sent: Friday, 12 May 2000 10:25 AM
> > To: Orion-Interest
> > Subject: RE: obtaining sequences portably for entity EJB
> >
> >
> > I believe if you look, there's a class called CounterUtils
> > that wraps all
> > this nicely.
> >
> > Can't remember the usage, but offhand it's something like
> >
> > CounterUtils.getNextID(jndiLocation, beanname);
> >
> > Cheers,
> > Mike
> >
> > australia.internet.com - http://australia.internet.com
> > Email: [EMAIL PROTECTED]
> > Phone: (612) 9251 3397
> > Fax: (612) 9251 2819
> > Mobile: 0416 106090
> >
> > INTERNET.COM - THE INTERNET INDUSTRY PORTAL
> >
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED]]On Behalf Of Joseph B.
> > Ottinger
> > Sent: Friday, May 12, 2000 6:17 AM
> > To: Orion-Interest
> > Subject: obtaining sequences portably for entity EJB
> >
> >
> > Since this is a common problem that ends up getting asked a
> > lot, and there
> > are few published good ways to go about it... it turns out orion has a
> > file in the news app called "counter.jar" that does just
> > this. Here's the
> > quick-and-dirty on its use:
> >
> > 1) Add the counter.jar to the application.xml file as an ejb module.
> >
> > 2) Make sure that the ejb-jar.xml contains a reference to the Counter
> > bean, which should look something like this:
> >
> > <ejb-ref>
> > <description>The id counter for the
> > entity</description>
> > <ejb-ref-name>ejb/Counter</ejb-ref-name>
> > <ejb-ref-type>Entity</ejb-ref-type>
> > <home>com.evermind.ejb.CounterHome</home>
> > <remote>com.evermind.ejb.Counter</remote>
> > </ejb-ref>
> >
> > 3) In your EJB code, have this kind of sequence:
> >
> > public void ejbCreate() throws RemoteException, CreateException
> > {
> > try
> > {
> > CounterHome chome=(CounterHome)new
> > InitialContext().lookup("java:comp/env/ejb/Counter");
> > Counter ctr;
> > try
> > {
> >
> > ctr=chome.findByPrimaryKey("mybeannameid");
> > }
> > catch(FinderException fe)
> > {
> > ctr=chome.create("mybeannameid");
> > }
> > id=ctr.getNextID());
> > }
> > catch(NamingException ne)
> > {
> > throw new CreateException("NamingException:\nCould not"+
> > " create EJB: "+ne.getMessage());
> > }
> > }
> >
> > This will set id - a long - to the next available sequence.
> >
> > -----------------------------------------------------------
> > Joseph B. Ottinger [EMAIL PROTECTED]
> > http://cupid.suninternet.com/~joeo HOMES.COM Developer
> >
> >
> >
> >
>
>
-----------------------------------------------------------
Joseph B. Ottinger [EMAIL PROTECTED]
http://cupid.suninternet.com/~joeo HOMES.COM Developer
