fied per-connection request properties
  (example - client ID, language). The application server passes these 
  properties back across to match/createManagedConnection calls on 
  the resource adapter. These properties remain opaque to the 
  application server during the connection request flow. 

  <p>Once the ConnectionRequestInfo reaches match/createManagedConnection
  methods on the ManagedConnectionFactory instance, resource adapter
  uses this additional per-request information to do connection 
  c