Receiving Events from all nodes

Hi
I have a cluster which contains n nodes.Each node contains a partitioned
cache service with a cache called CacheA. If an object is inserted it is inserted to any one
of the n nodes based upon some distribution algorithm and registered event listeners for that
particular cache are triggered on that node.
But is there a way to trigger an event in all n nodes irrespective of the physical location of insertion?
If so, how to go about it? Any documents or help regarding this will be helpful to me.
Thanks ,
Ramyaa.

Hi Mark,
AFAIK the guarantees for listeners are the following:
Listeners registered inside the TCMP cluster (full-fledged cluster nodes, not in an *Extend client):
- sychronous listeners (listeners implementing MapListenerSupport.SynchronousListener or those wrapped in MapListenerSupport.WrapperSynchronousListener) guaranteed to get notifications before the thread executing the triggering cache operation (if there was one) returns from the cache operation. I am not 100% sure, but I strongly believe that the cache operation returning also means that the synchronous listeners also completed, judging from the documentation of SynchronousListener, which would also mean that an ack for synchronous listeners is only sent back from the listener node once all synchronous listeners completed.
- asynchronous listeners are guaranteed to be notified but this notification will not be guaranteed to happen before the triggering cache operation completed
The only exception to that is if the listener node drops out of the cluster according to the owner of the entry which changed, or if the service for some reason dies on the listener node; about both you will get a notification so that you know that you are no more receiving events.
In both cases (sync/async) the entry owner notifies the node the listener is registered on, and I believe it will retry sending the event until it is ack-ed to be received. I don't know whether the ACK comes from the TCMP layer or from the particular service in the async case, I would guess the service.
The listener node will do duplicate detection on the delivered events per listener so that it will find out if it already invoked the listener once with the same event.
No transactions are provided for listeners, so even if an exception happens in a synchronous listener, it won't roll back the entry change.
For *Extend clients, I believe there are no guarantees for delivering events arriving while the client failed over after a broken connection.
For the staying connected case, and I don't know what the situation is, but I would expect synchronous listeners are not supported over *Extend, and async exactly one notification seems possible (again, while the client is connected), but I am not sure about this.
Best regards,
Robert

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