[jboss-user] [JBoss Messaging] - Re: JBoss callback for JMS Client

[clebert.suconic@jboss.com]

You could maybe implement a LoadBalancingFactory, and set it up on the ConnectionFactory


  | public class MyLoadbalancingFactory extends LoadBalancingFactory
  | 
  | {
  |    public LoadBalancingPolicy createLoadBalancingPolicy(ConnectionFactoryDelegate[] view)
  |    {
  |       return new MyRoundRobinLoadBalancingPolicy(view);
  |    }
  | 
  | }
  | 




And MyRoundRobinLoadBalancingPolicy:

  | public class MyRoundRobinLoadBalancingPolicy extends RoundRobinLoadBalancingPolicy
  | 
  | {
  |    public synchronized void updateView(ConnectionFactoryDelegate[] delegates)
  |    {
  |       super.updateView(delegates);
  |    }
  | 
  |    
  | }
  | 


You should be notified on the client when an update happens on the topology.


But if you don't really need a callback, on ClientConnectionFactoryDelegate, you will find the getTopology method.

You probably need to access The ClientConnectionFactoryDeleget throught JBossConnectionFactory:


(ClientClusteredConnectionFactoryDelegate)(((JBossConnectionFactory)cfFromJNDI).getDelegate).getTopology();

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