$SYS/Broker/broker_name/warning/expiry/Publication/timestamp/topic $SYS/Broker/broker_name/warning/expiry/Subscription/timestamp/topic
These events are nonpersistent, non-retained publications.
The following example event messages show a retained publication and subscription having expired.
Event publication topic = "$SYS/Broker/Broker1/warning/expiry/Publication/2000-12-31 23:59:59/stock/IBM" <Broker uuid="1234" label="Broker1" version="1"> <ControlGroup> <DynamicSubscriptionEngine> <Topic name="stock/IBM"> <Delete> <RetainedPublication subscriptionPoint="poundsSterling"/> </Delete> </Topic> </DynamicSubscriptionEngine> </ControlGroup> </Broker>
Event publication topic = "$SYS/Broker/Broker1/warning/expiry/Subscription/2000-12-31 23:59:59/stock/IBM" <Broker uuid="1234" label="Broker1" version="1"> <ControlGroup> <DynamicSubscriptionEngine> <Topic name="stock/IBM"> <Delete> <Subscription clientId="mqrfh2:Broker1:client1queue" subscriptionPoint="poundsSterling" filter="currentPrice>100" user="Fred"/> </Delete> </Topic> </DynamicSubscriptionEngine> </ControlGroup> </Broker>
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