I'm OK with changing UserList to be a better example. What do you suggest we change it to?
Matt On 7/30/07, Safurudin <[EMAIL PROTECTED]> wrote: > According to Veniamin Goldins and Ed Burns on the following thread: > > http://forum.java.sun.com/thread.jspa?threadID=550485&messageID=3919330 > > one shoudn't expect getters of managed-beans only to be invoked once > per request/lifecycle > > In Appfuses eg. UserList.java following happens; > > public List getUsers() { > return sort(userManager.getUsers(null)); > } > > As the JSF spec doesn't guarantee that the getters will be called only > once, this could lead to the same query getting > executing multiple times during the JSF lifecycle, eg. validate and > render-response. > > It is not critical for such a simple example as in the UserList, but if > you have a lot of getters on a page, then equally many > queries can be executed unnecessarily due to this issue (first-hand > experience) > > I believe this should be revised in Appfuse, because this could become a > potential performance leak if enough objects/beans > are involved in a single page rendering. Users don't expect appfuses > examples to do unnecessary query executions. > > Any comments are appreciated. > > Regards, > Safurudin Mahic > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > > -- http://raibledesigns.com --------------------------------------------------------------------- To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
