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From T Akhayo <t.akh...@gmail.com>
Subject Re: Order in which message is handled by broker plugins?
Date Wed, 20 Mar 2013 17:41:05 GMT
Hi Christian,

Thank you for your reply. I appreciate it.

Kind regards,
T. Akhayo


2013/3/20 Christian Posta <christian.posta@gmail.com>

> The plugins array is looped through and installed one at a time. But what
> it does is "wrap" the previous broker. So the plugins will see the message
> in the reverse order they are specified.
>
>
> On Wed, Mar 20, 2013 at 8:47 AM, T Akhayo <t.akhayo@gmail.com> wrote:
>
> > Good afternoon,
> >
> > I have a activemq server for my jms messages, i've created a custom
> > authentication plugin and installed it:
> > BrokerService broker = new BrokerService();
> > MyAuthenticationPlugin map=new MyAuthenticationPlugin();
> > broker.setPlugins(new BrokerPlugin[]{  map});
> >
> > Works nicely. Now i want to add a plugin that intercepts messages in the
> > send() method of BrokerFilter, this plugin will monitor all messages on
> all
> > topics and write a specific message to a database.
> >
> > No problem, just add another plugin:
> > BrokerService broker = new BrokerService();
> > MyAuthenticationPlugin map=new MyAuthenticationPlugin();
> > OrderWatcherPlugin owp=new OrderWatcherPlugin();
> > broker.setPlugins(new BrokerPlugin[]{ owp, map});
> >
> > Works nicely again. First the MyAuthenticationPlugin handles the message
> > next the OrderWatcherPlugin handles the message. When i throw a
> > SecurityException in MyAuthenticationPlugin the message is not received
> by
> > OrderWatcherPlugin, as expected.
> >
> > I was wondering if the order in which i add plugins is always the order
> in
> > which the message is processed by the plugins?
> >
> > What i mean: now MyAuthenticationPlugin gets the message first, next
> > OrderWatcherPlugin. Will this always be the case or is it possible that
> > OrderWatcherPlugin will receive the message first and next
> > MyAuthenticationPlugin?
> >
> > Kind regards,
> > T. Akhayo
> >
>
>
>
> --
> *Christian Posta*
> http://www.christianposta.com/blog
> twitter: @christianposta
>

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