[jboss-dev-forums] [Design of JBoss ESB] - Re: JSR-170 message store

[derek.adams]

"kurt.stam at jboss.com" wrote : I think we need one extra argument, a message store id/message classification.
  | I think we want to use the message store for all sorts of purposes. One example would be the DLQ I was talking about, so we need to be able to have 'substore' in this store, where I can store messages for this purpose. Is this posiible?

The JCR allows arbitrary metadata to be associated with each node. I was thinking we could just add a jbossesb:delivered boolean property to each message node. We could then do queries against that metadata to get the list of undelivered messages. The JCR spec allows the base repository schema to be extended with custom types, so we could have a well-defined layout for all of the info related to a message. I could see attributes like jbossesb:message-id, jbossesb:message-created-date, jbossesb:message-category, etc.. which would make reporting against messages really easy. The database message store impl would do the equivalent by adding columns in the message table.


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