@Peter > It isn't the DAO that'd be a transient - it'd be the User business object > that (if ColdSpring served it up) would be a transient (singleton=false). > You'd inject the singleton DAO into it.
Just as I thought, thanks for clearing that up! On Jan 31, 11:54 pm, Peter Bell <[EMAIL PROTECTED]> wrote: > It isn't the DAO that'd be a transient - it'd be the User business object > that (if ColdSpring served it up) would be a transient (singleton=false). > You'd inject the singleton DAO into it. > > Proviso: Some people on the lists have recommended NOT using ColdSpring for > transients, but creating a custom factory instead (or I use LightWire). > Others have used ColdSpring for instantiating their transients without > problems. > > Best Wishes, > Peter > > On 1/31/08 5:30 AM, "Michael Sharman" <[EMAIL PROTECTED]> wrote: > > > > > > > Hi Peter, > > >> - For user.save() you need to inject a DAO into your transients which > >> requires ColdSpring with singleton=false > > > Would the DAO composed into the User bean not be a singleton? Why > > would you need a 'per instance' DAO for each and every User bean? > > > On Jan 31, 4:16 am, Peter Bell <[EMAIL PROTECTED]> wrote: > >> Hi Alan, > > >> Been pretty much beaten to death on cfcdev over the years. Short answer, it > >> isn't right or wrong - more a matter of preference. > > >> I prefer syntactically User.save() to UserService.save(User), but that's a > >> pure preference Others prefer it the other way round. > > >> Provisos: > >> - Don't put SQL in the bean - eithr way the saving should be delegated to a > >> DAO > >> - For user.save() you need to inject a DAO into your transients which > >> requires ColdSpring with singleton=false, a custom factory or lightwire. > >> - If you need to support remote method cals, you're going to need a > >> Userservice.save() method. I have one for remote calls ad it just delgates > >> to a new bean it creates. Some may prefer just to have the service do the > >> save all the time, but again it's down to preferences. > > >> Best Wishes, > >> Peter > > >> On 1/30/08 12:03 PM, "Alan Livie" <[EMAIL PROTECTED]> wrote: > > >>> We currently use the service object to save a bean (which uses a > >>> gateway/DAO its composed with to do the work) > > >>> Another developer has suggested the bean should save really be > >>> responsible for saving itself (again using a DAO its composed with). > > >>> This looks like a good one for a discussion! :-) > > >>> Alan- Hide quoted text - > > >> - Show quoted text -- Hide quoted text - > > - Show quoted text - --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "CFCDev" 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/cfcdev?hl=en -~----------~----~----~----~------~----~------~--~---
