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From "James Strachan" <james_strac...@yahoo.co.uk>
Subject Re: [messenger] patch for working with JBossMQ
Date Fri, 15 Feb 2002 13:31:30 GMT
----- Original Message -----
From: "Anil Kumar C" <anilkc@mindtree.com>
> I had similar problems while using with weblogic. I also have done a fix
> which is very similar to what you mentioned.
>
> I have also added additional these additional methods
>     public int getDeliveryMode(Destination destination) throws
JMSException;
>     public boolean getDisableMessageID(Destination destination) throws
> JMSException;
>     public boolean getDisableMessageTimestamp(Destination destination)
> throws JMSException;
>     public int getPriority(Destination destination) throws JMSException;
>     public long getTimeToLive(Destination destination) throws
JMSException;
>     public void setDeliveryMode(Destination destination,int
> deliveryMode) throws JMSException;
>     public void setDisableMessageID(Destination destination, boolean
> value) throws JMSException;
>     public void setDisableMessageTimestamp(Destination
> destination,boolean value) throws JMSException;
>     public void setPriority(Destination destination,int defaultPriority)
> throws JMSException;
>     public void setTimeToLive(Destination destination,long timeToLive)
> throws JMSException;
>
> Let me know if you are interested in adding these methods and I will
> send over the patch

Please do send over the patch and I'll add it to CVS.

Incidentally do you have a Messenger.xml that works with WebLogic? If so
it'll be nice to add that to the CVS repository as well...

James

>
> Anil
>
> James Strachan wrote:
>
> >From: "Saimon Moore" <saimonmoore@yahoo.co.uk>
> >
> >>Well I've managed to patch the code up to work with
> >>JBossMQ.
> >>
> >
> >Great! Thanks Saimon I'll apply these patches now.
> >
> >
> >>There were two problems:
> >>
> >>1. When a ConnectionFactory is looked up in JBossNS,
> >>you get an org.jboss.mq.SpyConnectionFactory object
> >>returned which you have to cast to the appropriate
> >>object i.e. QueueConnectionFactory or
> >>TopicConnectionFactory. However, if you test the
> >>instance, both of the previous are valid.. i.e.
> >>
> >><code>
> >>if (factory instanceof TopicConnectionFactory)
> >></code>
> >>
> >>will return true even if factory has been previously
> >>cast to QueueConnectionFactory and vice-versa.
> >>
> >>There is a similar problem when creating the
> >>Connection. The jboss connection factory returns an
> >>org.jboss.mq.SpyConnection object that has to be cast
> >>to either QueueConnection or TopicConnection but
> >>checking the instance of the connection is not
> >>sufficient to diferentiate between the two.
> >>
> >>What I did to overcome this is re-implement both
> >>createConnection() and createSession() from
> >>SessionFactory in JNDISessionFactory relying on the
> >>lookup name, to differentiate and correctly create the
> >>appropriate factories,connections and sessions.
> >>
> >
> >Maybe other providers might do this kinda thing, so maybe we should add a
> >boolean property to JNDISessionFactory so that it doesn't matter what the
> >name is in JNDI, we can coerce it into a Topic or Queue connection if the
> >object implements both interfaces.
> >
> >e.g.
> >
> ><jndi lookupName="TopicConnectionFactory" topic="true">
> >...
> >
> >
> ><jndi lookupName="QueueConnectionFactory" topic="false">
> >...
> >
> >>Anyway, it's working fine now but I'm in the process
> >>of testing it out with other JMS providers e.g.
> >>AshnaMQ, and j2eesdk1.3 (By the way...what's the
> >>protocol used for this i.e. the provider url?)
> >>
> >
> >The existing Messenger.xml in CVS should work fine for j2eesdk - though I
> >think the JNDI lookup name depends on if you are inside the j2ee server
or
> >not. From memory I think its either TopicConnection (outside) or
> >java:env/TopicConnection (inside j2ee).
> >
> >James
> >
> >
> >
> >
> >_________________________________________________________
> >
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> >
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> >
> >
> >
> >
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>
>


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