> > BeanEditor (used internally for BeanEditForm) uses the no-args constructor > if it exists. I apologize for not making this distinction clear. >
I'm looking at the 5.2 source and BeanEditor uses the BeanModel to get the instance, calls "newInstance()" which also uses the ObjectLocator.autobuild On Tue, Oct 5, 2010 at 8:32 AM, Thiago H. de Paula Figueiredo <thiag...@gmail.com> wrote: > On Tue, 05 Oct 2010 12:17:46 -0300, Michal Gruca <michalgr...@gmail.com> > wrote: > >> I must disagree. >> But first to clarify. I described two cases. >> 1. BeanEditForm that cannot instantiate my object > > BeanEditor (used internally for BeanEditForm) uses the no-args constructor > if it exists. I apologize for not making this distinction clear. > >> 2. Same issue for SSO creating java.util.Date > > ApplicationStateManager(Impl) uses ObjectLocator.autobuild() to construct > instances. > >> Ad 2. >> Quote from linked documentation: >> "The first time you access an SSO, it is created automatically. Typically, >> the SSO will have a public no-args constructor ... but you may inject >> dependencies into the SSO via its constructor, as you can with a Tapestry >> IoC service implementation." >> In this case I wanted to use Date. Maybe not some real case scenario, so >> let's think about shoping basket for example. It may have default no args >> for T5 and second one if I want to instantiate it with some products. If >> T5 always takes constructor with most arguments it will fail on that >> scenario >> also, meaning that I will have to check boolean variable companion exist >> on every page on which I wan't to use my object. > > In this case, use @SessionState(create = false) so the field is null when > it's not in the session. and you don't need to declare a boolean variable. > > -- > Thiago H. de Paula Figueiredo > Independent Java, Apache Tapestry 5 and Hibernate consultant, developer, and > instructor > Owner, Ars Machina Tecnologia da Informação Ltda. > http://www.arsmachina.com.br > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org > For additional commands, e-mail: users-h...@tapestry.apache.org > > -- -- http://www.bodylabgym.com - a private, by appointment only, one-on-one health and fitness facility. -- http://www.ectransition.com - Quality Electronic Cigarettes at a reasonable price! -- TheDailyTube.com. Sign up and get the best new videos on the internet delivered fresh to your inbox. --------------------------------------------------------------------- To unsubscribe, e-mail: users-unsubscr...@tapestry.apache.org For additional commands, e-mail: users-h...@tapestry.apache.org
