Sorry i just noticed part of the issue is that you are using DataViews
:-( Don't know anything about those.
-- Joshua T. Pyle Go has always existed.On 2/16/06, Joshua Pyle <joshua.t.pyl..mail.com> wrote: > Maybe I'm over simplifying but if I need an attribute on a cayenne > object I just create the appropriate getter and perform whatever calcs > needed in that getter. In the example I provide I'm just formatting a > date but I could also run another query loop through the results and > spit out a sum. I could even execute a SQLTemplate query. > > public class User extends _User{ > public String getEntryDateString{ > Date toFormat = this.getEntryDate(); > if( toFormat == null ){ > return ""; > }else{ > return Util.SIMPLE_DATE.format( toFormat ); > } > } > > public Double getComplexThingy{ > Double toReturn = new Double(0.0); > // TODO loop through a List of object and perform a complex calculation > return toReturn; > } > } > > I have yet to find a situation where this does not cover even my most > unusually needs. > > Joshua T. Pyle > > On 2/16/06, Jürgen Saar <Juerge..saar.org> wrote: > > I discussed this some time ago ... > > > > For my point of view it would be helpful having ObjAttributes > > with no DbAttribute. As far as I know, this is handled by cayenne, > > like in WebObject, with getters in the BusinessObject. > > For abstract access types, like jxpath, this is OK, but > > if a new member enters the team, it would be helpful to > > have all Business-Attributes shown in the data-modeler. > > Even tools like ant, could easier do their job controlled > > by the repository. > > > > To have that kind of transient attributes would help me a lot. > > > > > > ---Juergen--- > > > > 2006/2/15, Bruce Alspaugh <compulinklt..mail.com>: > > > > > > I would like to be able to add a computed field to my displays that would be > > > based on the other attributes in that table row. For example, a line total > > > that is the item price times the item count plus the tax and shipping for > > > that item. I'm probably making this way too complicated. > > > > > > When I use the DVModeler, I noticed that my only options are "nocalc" and > > > "lookup." It would be handy to have a "calc" option for computed fields > > > where I could put the formula in. I suppose I could use Cayenne Modeler to > > > generate the base Java classes, and then add the attribute to the derived > > > class. The problem is that since it was added by hand, the computed field > > > is not in the XML generated by the Modeler, which means it won't be picked > > > up by the DVModeler and I can't add it to a DataView. > > > > > > If I could add a user-defined ObjAttribute in the Modeler, it could generate > > > a "stub" for it when I generate Java classes that I could fill in by hand. I > > > could then add formatting, caption, etc. in DVModeler. > > > > > > What is the recommended way to handle this? > > > > > > Bruce > > > > __________________________________________________________________________ > > Erweitern Sie FreeMail zu einem noch leistungsstarkeren E-Mail-Postfach! > > Mehr Infos unter http://freemail.web.de/home/landingpad/?mc=021131 > > > > > > > -- > Joshua T. Pyle > Go has always existed. >
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