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From Aman Nanner/MxI Technologies <aman.nan...@mxi.com>
Subject Re: How to look up a JMS Topic via the Kernel?
Date Fri, 16 Feb 2007 21:27:18 GMT
Thanks!  I tried that and it worked...I don't think I would have been able
to figure that out.

Aman


David Jencks <david_jencks@yahoo.com> wrote on 02-16-2007 04:11:45 PM:

>
> On Feb 16, 2007, at 12:25 PM, Aman Nanner/MxI Technologies wrote:
>
> >
> > Hi,
> >
> > I have a GBean from which I need to grab a reference to a JMS
> > TopicConnectionFactory and a JMS Topic.  Currently, I am attempting
> > to use
> > the GBean Kernel API to grab these references.  I have succesfully
> > retrieved the TopicConnectionFactory using the following method:
> >
> > ----
> >    public TopicConnectionFactory getTopicConnectionFactory( String
> > aTopicConnFactoryJndi )
> >    {
> >       TopicConnectionFactory lTopicConnFactory = null;
> >       Kernel lKernel = KernelRegistry.getSingleKernel();
> >       Iterator lConnectorIt =
> >          lKernel.listGBeans(
> >             new AbstractNameQuery(
> >
> > "org.apache.geronimo.management.geronimo.JCAManagedConnectionFactory"
> >                )
> >             )
> >                .iterator();
> >
> >       try {
> >          while ( lConnectorIt.hasNext() ) {
> >             AbstractName lName = ( AbstractName ) lConnectorIt.next();
> >
> >             String lConInterface =
> >                ( String ) lKernel.getAttribute( lName,
> > "connectionFactoryInterface" );
> >             if ( lConInterface.equals
> > ( "javax.jms.TopicConnectionFactory" )
> > ) {
> >                String lPoolName = lName.getNameProperty( "name" );
> >                if ( lPoolName.equals( aTopicConnFactoryJndi ) ) {
> >                   lTopicConnFactory =
> >                      ( TopicConnectionFactory ) lKernel.invoke( lName,
> > "$getResource" );
> >
> >                   break;
> >                }
> >             }
> >          }
> >       } catch ( Exception e ) {
> >          throw new RuntimeException( "Could not retrieve topic
> > connection
> > factory", e );
> >       }
> >
> >       return lTopicConnFactory;
> >    }
> > ----
> >
> > However, I do not know how to retrieve a JMS Topic using the same
> > technique
> > as I don't know what my AbstractNameQuery should be, nor what
> > attributes of
> > the GBean I should be searching for.  Does anybody know how to do
> > this?
>
> For the ANQ try something like
> #org.apache.geronimo.connector.AdminObjectSource
>
> or
> #org.apache.geronimo.connector.AdminObjectWrapper
>
> and try the adminObjectInterface or adminObjectClass attributes.
>
> You call $getResource on these as well to get the actual admin object.
>
> Hope this helps.
>
> we need to get an easy way for these to get into global jndi, this is
> ridiculously complicated :-(
>
> david jencks
>
>
> >
> > Thanks,
> > Aman
> >
> > ______________________________________________________________________
> > ____________
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> >
>

__________________________________________________________________________________
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