Gets this message consumer's message selector expression as a string.
| Exception Type | Condition |
|---|---|
| MessageException | if JMS fails to get the message selector due to some internal error. |
IMessageConsumer Interface | WebLogic.Messaging Namespace | ISession.CreateConsumer(IDestination,string) | ISession.CreateConsumer(IDestination,string,bool) | ISession.CreateDurableSubscriber(ITopic,string,string,bool)