Send me the file and I'll debug it.
On Fri, Jul 3, 2009 at 3:06 AM, Tobias Daub <[email protected]> wrote:
>
> Thanks Dave, but still getting this error:
>
>
> /home/wacky/NetBeansProjects/virtualMarket/src/main/scala/org/tobster/model/Order.scala:51:
> error: value lotValue is not a member of Long
> override def _toForm = Full(<p>{Order.this.lots *
> Order.this.marketPlace.lotValue}</p>)
>
>
> What is the explanation for this behavior?
>
> thanks
> >
> >
> > On Sun, Jun 21, 2009 at 6:38 AM, Tobias Daub <[email protected]
> > <mailto:[email protected]>> wrote:
> >
> >
> > I'm stucked again with the simple things....
> >
> > I've a trait that extends BaseLongKeyedMapper and I wanna add a field
> > (currentCost) that does some calculation. Nothing special. Here's
> > the code:
> >
> > /*
> > * Order.scala
> > *
> > * To change this template, choose Tools | Template Manager
> > * and open the template in the editor.
> > */
> >
> > package org.tobster.model
> >
> > import net.liftweb._
> > import mapper._
> > import http._
> > import SHtml._
> > import util._
> > import model._
> >
> > /* Describes a general order. */
> > trait Order extends BaseLongKeyedMapper{
> >
> > /* The number of lots this order has */
> > object lots extends MappedInt(this.asInstanceOf[MapperType])
> >
> > /* The person who owns the order */
> > object owner extends
> > MappedLongForeignKey(this.asInstanceOf[MapperType], User){
> >
> > // hides this field in the CRUDify list/create forms
> > override def dbDisplay_? = false
> >
> > //set the default value to the current logged in user (at
> > creation time)
> > override def defaultValue = User.currentUser.map(_.id.is
> > <http://id.is>) openOr 0L
> > }
> >
> > /* The market place where the order belongs to */
> > object marketPlace extends
> > MappedLongForeignKey(this.asInstanceOf[MapperType],
> > MarketPlaceMetaObj){
> > override def _toForm = Full(SHtml.selectObj[MarketPlace](
> >
> MarketPlaceMetaObj.findAll.map(mp
> > => (mp, mp.name.is <http://mp.name.is>)),
> > obj,
> > (mp: MarketPlace) => apply(mp)))
> > }
> >
> > /* The basic trade types are: BUY and SELL */
> > object tradeType extends
> > MappedLongForeignKey(this.asInstanceOf[MapperType],
> TradeTypeMetaObj){
> > override def _toForm = Full(SHtml.selectObj[TradeType](
> > TradeTypeMetaObj.findAll.map(t => (t, t.name.is
> > <http://t.name.is>)),
> > obj,
> > (t: TradeType) => apply(t)))
> > }
> >
> >
> > object currentCost extends
> > MappedInt(this.asInstanceOf[MapperType]){
> > override def _toForm = Full(<p>{this.lots *
> > this.marketPlace.lotValue}</p>)
> >
> >
> >
> > Try:
> > override def _toForm = Full(<p>{Order.this.lots *
> > Order.this.marketPlace.lotValue}</p>)
> >
> >
> >
> >
> > }
> >
> > }
> >
> > I get the following compiler error:
> >
> > [WARNING]
> >
> /home/wacky/workspace_VirtuelleBoerse/virtualMarket/src/main/scala/org/tobster/model/Order.scala:51:
> > error: value lots is not a member of Int
> > [WARNING] override def _toForm = Full(<p>{this.lots *
> > this.marketPlace.lotValue}</p>)
> > [WARNING] ^
> > [WARNING] one error found
> >
> > The field marketPlace.lotValue is of type MappedInt as well as the
> > field
> > lots.
> >
> > I tried things like "this.lots.is <http://this.lots.is>" or
> > "this.lots.i_is_!" but without
> > success. I ran out of ideas...
> >
> >
> > thanks.
> >
> >
> >
> >
> >
> > --
> > Lift, the simply functional web framework http://liftweb.net
> > Beginning Scala http://www.apress.com/book/view/1430219890
> > Follow me: http://twitter.com/dpp
> > Git some: http://github.com/dpp
> >
> > >
>
>
> >
>
--
Lift, the simply functional web framework http://liftweb.net
Beginning Scala http://www.apress.com/book/view/1430219890
Follow me: http://twitter.com/dpp
Git some: http://github.com/dpp
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