[jboss-dev-forums] [Design of POJO Server] - Metadata view with system properties resolved

[bstansberry@jboss.com]

>From another thread:

"adrian at jboss.org" wrote : 
  | "bstansberry at jboss.com" wrote : 
  |   | OT: Is there a general automagic facility/utility yet for doing String property replacement when populating metadata? For org.jboss.ejb3.annotation.clustered there's still manual code that does the property replacement.
  | 
  | You'll have to explain what you mean on a different thread.
  | 
  | If I understand correctly ...
  | I don't think its possible in general since in most cases
  | MetaData.getAnnotation() will just be returning Class.getAnnotation()
  | which is immutable, its a jdk object and
  | we don't "intercept" the fine grained Clustered.partition() invocation. 
  | 

My question was quite confused. :(  Not about populating metadata at all.

The issue is more one of having a mechanism that provides a view on metadata where system property references are resolved. Basically an aspect that does the system property resolution on read operations on a metadata object.

AIUI, right now JBossXB can resolve system properties when populating a metadata object.  But if you do that you lose the original underlying value. And if the metadata object is backed by an annotation, JBossXB doesn't come into play.

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