[Xdoclet-user] controlling ejb home interface generation

Jim Miani Thu, 22 Jul 2004 08:48:52 -0700

Hi,

I have an interest in forcing XDoclet to use a
certain interface as the return value from the create()
method in the home interface file that it generates.

e.g. by default, XDoclet builds home interfaces
for me where the create method looks like this:

        public com.foo.SpecificAdapter1 create()
                throws javax.ejb.CreateException, java.rmi.RemoteException

        public com.foo.SpecificAdapter2 create()
                throws javax.ejb.CreateException, java.rmi.RemoteException

Now, in my case, SpecificAdapter1 and SpecificAdapter2 both implement
an interface let's call com.foo.GenericInterface, and I want my EJB client
to only refer to the GenericInterface aspects of these classes (should know
nothing about SpecificAdapter1 and 2).

So, what I would really like is on a class-by-class basis to be able to
set the return value of the create() method in the Home interface, so
in the Home interfaces SpecificAdapter1Home and SpecificAdapter2Home,
I get the same signature on the create() method:

        public com.foo.GenericInterface create()
                throws javax.ejb.CreateException, java.rmi.RemoteException

I cannot seem to find a way to do this via the existing XDoclet tags. I am sure
this problem has been solved before but I can't find out how. Any suggestions
on making this happen would be greatly appreciated.

BARRING a solution as I describe above, because there are only a few of my EJBs that require this approach, I could define the home interfaces manually rather than auto-generating them. It is less attractive than a generated solution, but still doable. However, I tried using the @ejb.home tag and setting generate="none" or generate="false" (doc is unclear on correct values for this I think), yet XDoclet still generates the home interfaces. Any ideas on why that is so would also be helpful to me. Here is a sample of how my tags are set presently to try to avoid auto-generating the home interfaces.

/** * @CustomerFormAdapter Bean * * @ejb.bean * name="CustomerFormAdapter" * jndi-name="ejb/CustomerFormAdapter" * type="Stateless" * @ejb.home * extends="com.icanon.ejb.FormBeanHomeInterface" * local-extends="javax.ejb.EJBLocalHome" * generate="none" * @ejb.interface * extends="com.icanon.ejb.FormBeanInterface,javax.ejb.EJBObject" * local-extends="com.icanon.ejb.FormBeanLocalInterface,javax.ejb.EJBLocalObject" */

If it has some bearing, here is the ant build information as well:

        <target name="ejbdoclet" depends="prepare">
            <ejbdoclet
            destdir="${build.gen-src.dir}"
                ejbspec="2.0"
                verbose="true"
                        force="false"
            >
        <fileset dir="${build.java.dir}" >
            <include name="com/**/*.java"/>
            <exclude name="com/icanon/pda/**"/>
        </fileset>

        <remoteinterface/>
        <localinterface/>
        <homeinterface/>
        <localhomeinterface/>

                <deploymentdescriptor
                        destdir="${build.meta-inf.dir}"
                        validatexml="true"
            mergedir="fake-to-debug"
            description="NEWZware Deployment">
                </deploymentdescriptor>

        <jboss
                version="3.2"
            destdir="${build.meta-inf.dir}"
            validatexml="true"
        />

            </ejbdoclet>
        </target>

Thanks in advance for any assistance.

Jim

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[Xdoclet-user] controlling ejb home interface generation

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