James, if you don't set the M2O, it will be stored as NULL in the database.
Mark On Tue, Mar 31, 2009 at 9:38 PM, James Allen <[email protected]>wrote: > > Hi guys, > > I'm having a bit of a brain freeze right now trying to figure out how > to handle something which is probably pretty simple. > > I have a user object which has a manytoone relationship with a message > object. > > I essentially make a call to my gateway to retrieve the latest message > a user has received and store it in the user object. This all works > fine if the user has received a message. However, if they have not > Transfer will error when I try to save the user object complaining > that the manytoone has not been persisted - which is perfectly true. > In this case when I asked for the latest message I was given a non- > persisted message object (id=0). > > What is the best way to handle the case where the user does not yet > have a latest message and simply place 0 in the lnkIDMessage field? > > I have a feeling this is probably not a good way to handle things. I > set this up a while ago as I felt it would be useful to be able to ask > the user object what the latest message is that the user has received: > > getCurrentUser().getLatestMessage() > > It's just handling a null case that is baffling me. I know having a > generic persisted message in the d/b would solve this but that feels > pretty nasty as well. > > Any advice would be appreciated. > > Cheers, > James. > > > -- E: [email protected] W: www.compoundtheory.com --~--~---------~--~----~------------~-------~--~----~ Before posting questions to the group please read: http://groups.google.com/group/transfer-dev/web/how-to-ask-support-questions-on-transfer You received this message because you are subscribed to the Google Groups "transfer-dev" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/transfer-dev?hl=en -~----------~----~----~----~------~----~------~--~---
