It seems that everywhere that i have put this question, no one answers anymore..
On 17 apr, 13:35, Peter Derwa <[email protected]> wrote: > I'm also using WCF to do exactly the same thing as you are doing. > i don't have any problems with sending the objects with lazy loading > back to the client app. I'm also working with datacontracs and > datamembers so you shouldn't have a problem with it. > of course when you do a lazy loading and you try to use the collection > in the client app, you'll get an error so be aware of that. > > my structure is the same as you have. on a Get i want to load > everything (the complete object with all it's associations), on load > of a list, no collections. > > i had to set the lazy = true on the collection bags because when > setting them to lazy = false, and trying to change the fetchmode to > lazy, it was still fetching them. > (lazy seems to be deprecated in NH 2.0?) > > the lazy loading is working, but when i set the fetchmode to Join > before getting the object with all it's associations, i'm getting > problems with the join.. > Since i have 4 collections in one object, the join is giving me > duplicate items in several collections, because let's say when you > have one collection with 2 items, the other collections will have one > item double. > > some guys were talking about crit.SetResultTransformer(new > RootEntityResultTransformer());, but that isn't doing anything for me. > I'm still getting collections with duplicate items in there. > > maybe that helps you a bit, and maybe someone can now answer my > question of how to solve my problem :) > > On 8 apr, 07:45, Fethi Gürcan <[email protected]> wrote: > > > Hello James, > > > My question is not point that. But i decided to use DTO's all scnarios like > > that. > > > Anyway, your answer also useful for me. > > > Thanks > > > 2009/4/4 James Hicks <[email protected]> > > > > I guess I am not following what you are asking. The fetch strategy allows > > > you to specify how to pull up related entities like using eager or lazy > > > loading. You can tell NHibernate how far down the hierarchy to traverse. > > > I > > > think the default is 3 but you should check on that. > > > > James Hicks > > > > 2009/4/3 Fethi Gürcan <[email protected]> > > > > Thanks. But there is no any fetch strategies that says "do not fetch", > > > that > > >> i see. > > > >> We are using fetch strategy to define when/how the assosication fecthed. > > > >> Right? > > > >> 2009/4/3 James Hicks <[email protected]> > > > >> Fetch strategy > > > >>>http://nhforge.org/doc/nh/en/index.html#performance-fetching > > > >>> James > > > >>> 2009/4/2 Fethi Gürcan <[email protected]> > > > >>> Hello, > > > >>>> I have entities with parent-child hierarchy, > > > >>>> yes, i can set lazy=true , lazy=false for setting behaviour of loading > > >>>> children. > > > >>>> So, i need to pass data to client-side via WCF. > > > >>>> As you know, when i marked child-relation as [DataMember] like the > > >>>> other > > >>>> properties. > > >>>> The WCF will serialize the whole properties that marked as > > >>>> [DataMember]. > > >>>> Serialization process calls the all properties so the properties will > > >>>> be > > >>>> loaded. And that does not differs lazy=true or lazy=false. > > > >>>> Actually i'll use Entity classes for two different cases > > > >>>> 1) Internal use in business layer. (there is no problem here) > > >>>> 2) Passing data to client-side. (I'll use DTOs in some cases but not > > >>>> everytime) > > > >>>> In the case 2, there ares some simple scenarios; > > > >>>> a) When i get the whole record in a table, i don't want to pass > > >>>> the children. > > >>>> b) When i get the single record. I want to get the children. > > >>>> (Actually, all child have a relation to parent. i dont need to pass > > >>>> that > > >>>> also) > > > >>>> Is there any way to tell NHibernate (in runtime) to do load children or > > >>>> do not? > > > >>>> Thanks. > > >>>> -- > > >>>> Fethi Gürcan > > > >> -- > > >> Fethi Gürcan > > > -- > > Fethi Gürcan --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "nhusers" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nhusers?hl=en -~----------~----~----~----~------~----~------~--~---
