----- Original Message -----
From: "Brandon Knitter" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>; "Brandon Knitter"
<[EMAIL PROTECTED]>
Cc: "JBoss-user" <[EMAIL PROTECTED]>; "David Russell"
<[EMAIL PROTECTED]>; "Paul Kavanagh" <[EMAIL PROTECTED]>; "Andre Selton"
<[EMAIL PROTECTED]>
Sent: Wednesday, June 12, 2002 2:42 AM
Subject: [JBoss-user] What's best practice for remote calls?? Solved: SOOO
close to CMR (1-to-many) working...I may just wet myself! :)
> Okay, I figured it out!! I was calling getPlaylists, which returns the
Local
> objects...naughty naughty! :)
>
> So I implemented a getRemotePlaylists method and that seems to work great!
> WOOHOO! :) Thanks for being patient with me! :)
>
> Anyhow, since I do intend to my EJBs in a Local model, I'm not worried
about the
> naming convention, but I cam curious as to what the standard practice is.
I
> have the following in my code to cope with this, is this the right way to
do
> things??
>
> public abstract Collection getPlaylists();
> public abstract void setPlaylists(Collection value);
>
> public Collection getRemotePlaylists() {
> Vector rc=new Vector();
>
> try {
> Properties p=new Properties();
> p.put("java.naming.factory.initial",
> "org.jnp.interfaces.NamingContextFactory");
> p.put("java.naming.provider.url", "jnp://localhost:1099");
> p.put("java.naming.factory.url.pkgs",
> "org.jboss.naming:org.jnp.interfaces");
> InitialContext iniCtx = new InitialContext(p);
> Context ejbCtx=(Context) iniCtx.lookup("comp/env/ejb");
> PlaylistHome home=(PlaylistHome)ejbCtx.lookup("Playlist");
>
> Iterator it=getPlaylists().iterator();
> while(it.hasNext()) {
> PlaylistLocal pll=(PlaylistLocal)it.next();
> rc.add(home.findByPrimaryKey(pll.getPlaylistId()));
> }
> } catch (Exception ex) {
> throw new EJBException (ex);
> }
>
> return(rc);
> }
>
>
> Ignore the fact that I have all the naming stuff hardcoded and such! Is
this
> the proper way to do things?
>
> Thanks in advance!!
Hello !
I t seems too much hand-coding as for CMP solutions. And not effective:
calling finder for every position you will kill db with bigger selects !!!.
Imagine 100 000 records returned and 100 000 additional selects called ! Sun
advises to use ValueObjcets as a container to store data to avoid passing
the Bean Interface to remote cleint.
sincerely Olek
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