Re: generated code does not compile(2)

Leif Ashley <[email protected]>
Newsgroups gmane.comp.java.ejb.middlegen.user
Message-ID <[email protected]> 
"> This works, believe it or not."

Ok, ok... I believe you. I just need to figure out what's going on. I'll take a
closer look at the example and see where I'm having issues.

Thanks a ton for the info!

--- Eivind Waaler <[email protected]> wrote:
> Yes middlegen generates a FlightBean.java. Then xdoclet generates a
> FlightCMP.java that has the following definition (notice how it extends
> the FlightBean):
> 
> public abstract class FlightCMP
>    extends airline.ejb.FlightBean
>    implements javax.ejb.EntityBean
> {
>    public void ejbLoad()
>    {
>    }
> 
>    public void ejbStore()
>    {
>    }
> 
> ...
> 
> So FlightCMP extends FlightBean with the methods you're missing. Check
> out the generated ejb-jar.xml file, notice the ejb-class:
> 
> <ejb-class>airline.ejb.FlightCMP</ejb-class>
> 
> This works, believe it or not.
> 
> .eivind
> 
> On Tue, 2 Mar 2004, Leif Ashley wrote:
> 
> > As you said "Middlegen generates a FlightBean.java" - that bean java source
> > file is the file that has to have the passivate, activate, etc. methods,
> not
> > the interfaces from xdoclet.
> >
> > Without those methods in the bean source file generated from middlegen, the
> CMP
> > entity beans are useless.
> >
> > --- Eivind Waaler <[email protected]> wrote:
> > > The way middlegen works is to use xdoclet to generate the xxCMP class
> that
> > > has these methods. Please run the middlegen sample and check out the
> > > resulting code. Middlegen generates a FlightBean.java file, then it uses
> > > xdoclet to generate FlightCMP.java which has all the required methods.
> > >
> > > Not sure if this is the common way to use xdoclet, but it works and
> > > deploys fine on jboss.
> > >
> > > .eivind
> > >
> > > On Mon, 1 Mar 2004, Leif Ashley wrote:
> > >
> > > > xDoclet is not a factor here. XDoclet runs agains tags in the bean
> classes.
> > > The
> > > > methods we're talking about here are in those bean classes. MiddleGen
> is
> > > *NOT*
> > > > putting those methods in the bean classes, and as such, generating
> JBoss
> > > CMP
> > > > errors.
> > > >
> > > > If this isn't the case, please show me how.
> > > >
> > > > --- Eivind Waaler <[email protected]> wrote:
> > > > > Hi again,
> > > > >
> > > > > The standard Middlegen airline sample (flight, person, reservation)
> > > > > deploys on JBoss. The point is that XDoclet generates an xxCMP class
> for
> > > > > all the bean classes that contains the required methods.
> > > > >
> > > > > Seems like you've been using Middlegen without running XDoclet on the
> > > > > generated code? If you look at the Middlegen sample you'll see how
> > > > > Middlegen and XDoclet work together to generate complete code for
> > > > > deployment.
> > > > >
> > > > > Regards
> > > > > .eivindw.
> > > > >
> > > > > On Fri, 27 Feb 2004, Leif Ashley wrote:
> > > > >
> > > > > > Haug and Eivind Waaler: to the best of my knowledge, the methods:
> > > > > >
> > > > > > void ejbActivate()
> > > > > >  void ejbLoad()
> > > > > >  void ejbPassivate()
> > > > > >  void ejbRemove()
> > > > > >  void ejbStore()
> > > > > >  void setEntityContext(EntityContext ctx)
> > > > > >  void unsetEntityContext()
> > > > > >
> > > > > > ... are still required in CMP beans as per the J2EE spec. Even if
> I'm
> > > > > wrong,
> > > > > > JBoss will definately require it because of how the reflection and
> > > > > > dereferencing occures. I hit the same error today, and here's the
> JBoss
> > > > > error
> > > > > > from my cactus report:
> > > > > >
> > > > > > null; CausedByException is: Method is not a known CMP field
> accessor,
> > > CMR
> > > > > field
> > > > > > accessor, or ejbSelect method: methodName=ejbActivate
> > > > > >
> > > > > > What a booger. On the up side, you should be able to include a
> merge
> > > file
> > > > > even
> > > > > > though I haven't tried it.
> > > > > >
> > > > > > =====
> > > > > > ------------------------------
> > > > > > - Leif Ashley (404) 550-3591
> > > > > > - J2EE / .NET Architect
> > > > > > - Perception Consulting, Inc.
> > > > > > ------------------------------
> > > > > >
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> > > > - J2EE / .NET Architect
> > > > - Perception Consulting, Inc.
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> > =====
> > ------------------------------
> > - Leif Ashley (404) 550-3591
> > - J2EE / .NET Architect
> > - Perception Consulting, Inc.
> > ------------------------------
> >
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> 
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=====
------------------------------
- Leif Ashley (404) 550-3591
- J2EE / .NET Architect
- Perception Consulting, Inc.
------------------------------

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