Thanks! Just the answer I was looking for. On Wed, 2006-01-18 at 09:15 -0800, Patrick Casey wrote: > A fairly standard approach is to not send the object out on the > directlink, but instead send out some sort of uniquely identifiable key and > the pull the object back out of persistent storage as the first operation in > your direct link. > > If you're talking about DB objects, then putting the unique key on > the outbound URL and then reloading it in the listener is certainly the > easiest approach (although not without security implications because you're > opening a door for the outside world into your key structure). > > Alternately, if it's something that doesn't have a "natural" storage > mode or key, you can just wrap it in an object with a key then stuff it in a > server-side linkedhashmap that you then store in the client session. The > reason you probably want to use a linked hash map is to "forget" about > objects you stuffed in there a while ago so that you don't end up with 2,000 > objects cluttering up server side memory when the user is only likely to use > the most recent 5 or so of them. In practice, I've found a page memory of 10 > is almost always big enough. > > --- Pat > > > -----Original Message----- > > From: Stijn Christiaens [mailto:[EMAIL PROTECTED] > > Sent: Wednesday, January 18, 2006 3:50 AM > > To: Tapestry users > > Subject: ActionLink and DirectLink > > > > Hello everybody, > > > > previously I used ActionLink to do my dirty work, but it seems that this > > is not such a safe approach. In transferring to DirectLink I am a little > > bit unsure about how to continue. > > I use my DirectLink with a listener and parameters. Unfortunately, the > > parameter Object I have to pass is too big to be serialized in the URL > > (the DirectLink does nothing because the URL is too long). So I probably > > have to pass some kind of key (no database key as it is an Object in > > edit, so not saved yet and not to be saved yet either) as parameter. > > Where do I store the Object that is associated with this key? > > Do I place it on the Component or somewhere on something I can access > > using IRequestCycle? > > > > Thanks in advance! > > > > Ciao, > > > > Stijn > > > > > > --------------------------------------------------------------------- > > To unsubscribe, e-mail: [EMAIL PROTECTED] > > For additional commands, e-mail: [EMAIL PROTECTED] > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] >
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