I'm not sure if this will work as intended, but I'm trying.
Here's a Company class(and its object) that inherits an Address trait:
object Company extends Company with LongKeyedMetaMapper[Company]{
override def fieldOrder = List(name, line1.asInstanceOf,
line2.asInstanceOf,
city.asInstanceOf, state.asInstanceOf, postalCode.asInstanceOf)
}
class Company extends LongKeyedMapper[Company] with Address[Company]
with IdPK {
def getSingleton = Company
object name extends MappedString(this, 100)
}
Address is defined as follows:
trait Address[OwnerType <: LongKeyedMapper[OwnerType]] {
def owner = this.asInstanceOf
object line1 extends MappedString(owner, 100){
override def displayName = "Address1"
}
object line2 extends MappedString(owner, 50){
override def displayName = "Address2"
}
object city extends MappedString(owner, 50){
override def displayName = "City"
}
object state extends MappedState(owner) {
override def displayName = "State"
}
object mc extends MappedCountry[OwnerType](owner){
override def dbColumnName = "country_enum"
override def defaultValue = Countries.USA
}
object postalCode extends MappedPostalCode[OwnerType](owner, mc)
}
Glenn Silverman
On Apr 1, 2:21 am, Tobias Daub <[email protected]> wrote:
> Hi There,
>
> I'm new to Scala and Lift and still feeling a little bit lost.
>
> In case of the ToDo example from the Getting started guide: Would it be
> possible to make a more specialized version of a ToDo item that inherits
> from the existing one?
>
> This is more a general question aboutinheritancefrom Lift models,
> because I've to design some more complexclasshierarchy, where its
> really necessary to have "stupid" classes that can be specialized later on.
>
> Apply the same rules aboutinheritance, traits, etc. to Lift models,
> too. Can I do all the stuff that I can do with "normal" classes?
>
> Thanks alot!
> Tobias
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