On Mon, Nov 2, 2009 at 12:26 PM, Naftoli Gugenheim <naftoli...@gmail.com>wrote:
> > What's stopping the instances from managing themselves? > There's a lot of start-up cost associated with the reflection used to determine what stuff is fields, etc. Doing that for each instance would destroy performance. But if any folks out there have a better model, I'm all for reviewing it. > > ------------------------------------- > Jim Barrows<jim.barr...@gmail.com> wrote: > > On Mon, Nov 2, 2009 at 1:16 PM, Vesa <brut...@gmail.com> wrote: > > > > > By the way, why orm classes need to be aware of the companion object? > > Could this dependency be eliminated somehow? > > > > The Mapper/Record companion object is where the code to do all the DB stuff > lives. These are all static methods, they don't really change per instance > of the class itself. The companion object is one way Scala allows you to > do > this. It's probably also the most convenient. > An answer to the question: What is the rationale behind having companion > objects in scala.< > http://stackoverflow.com/questions/609744/what-is-the-rationale-behind-having-companion-objects-in-scala > > > > > > > > - Vesa > > > > On 2 marras, 22:02, Vesa <brut...@gmail.com> wrote: > > > I doubt I can find one, but it still feels awkward having to type the > > > name of the class so many times. Another option could be to use some > > > shared object to do this stuff, but I guess it wouldn't be as neat to > > > use it then. > > > > > > - Vesa > > > > > > On 2 marras, 18:33, David Pollak <feeder.of.the.be...@gmail.com> > > > wrote: > > > > > > > > > > > > > On Mon, Nov 2, 2009 at 8:14 AM, Vesa <brut...@gmail.com> wrote: > > > > > > > > It seems like boilerplate that every mapped class needs to define a > > > > > getSingleton method returning companion object. Can't there be any > > > > > default with this and is there any way to get rid of the manually > > > > > defined companion object if user isn't going to define any new > > methods > > > > > on it, while still having the default meta functionality? > > > > > > > I know of no mechanism in Scala to discover companion objects. If > you > > find > > > > one (that's not simply Java Reflection), please let me know. > > > > > > > > - Vesa > > > > > > > -- > > > > Lift, the simply functional web frameworkhttp://liftweb.net > > > > Beginning Scalahttp://www.apress.com/book/view/1430219890 > > > > Follow me:http://twitter.com/dpp > > > > Surf the harmonics > > > > > > > > -- > James A Barrows > > > > > > -- Lift, the simply functional web framework http://liftweb.net Beginning Scala http://www.apress.com/book/view/1430219890 Follow me: http://twitter.com/dpp Surf the harmonics --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Lift" group. To post to this group, send email to liftweb@googlegroups.com To unsubscribe from this group, send email to liftweb+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/liftweb?hl=en -~----------~----~----~----~------~----~------~--~---
