I'd be really interested in knowing what reference you are referring to because I can't find it in the one i got with my download! :)
On 9/5/09, Paul Batum <[email protected]> wrote: > Did anyone else LOL when they saw methods with the names "DoCascade" and > "ReallyDoCascade" ? :D > > On Sat, Sep 5, 2009 at 3:40 AM, James Crowley > <[email protected]>wrote: > >> >> Sorry Stuart - crossed emails! Thanks for checking - 'tis good to know >> I'm not going entirely mad ;) >> >> 2009/9/4 Stuart Childs <[email protected]>: >> > >> > I just looked and here is the full cascade dictionary for NH 2.1 GA: >> > static CascadeStyle() >> > { >> > Styles["all"] = All; >> > Styles["all-delete-orphan"] = AllDeleteOrphan; >> > Styles["save-update"] = Update; >> > Styles["persist"] = Persist; >> > Styles["merge"] = Merge; >> > Styles["lock"] = Lock; >> > Styles["refresh"] = Refresh; >> > Styles["replicate"] = Replicate; >> > Styles["evict"] = Evict; >> > Styles["delete"] = Delete; >> > Styles["remove"] = Delete; // adds remove as a sort-of alias for >> delete... >> > Styles["delete-orphan"] = DeleteOrphan; >> > Styles["none"] = None; >> > } >> > >> > Sure enough, "delete-orphan" is there, and it has a valid CascadeStyle >> > implementation: >> > [Serializable] >> > private class DeleteOrphanCascadeStyle : CascadeStyle >> > { >> > public override bool DoCascade(CascadingAction action) >> > { >> > return action == CascadingAction.Delete || action == >> > CascadingAction.SaveUpdate; >> > } >> > >> > public override bool ReallyDoCascade(CascadingAction action) >> > { >> > return action == CascadingAction.Delete; >> > } >> > >> > public override bool HasOrphanDelete >> > { >> > get { return true; } >> > } >> > } >> > >> > The question is now what to do about it. :) >> > >> > On Fri, Sep 4, 2009 at 12:22 PM, Stuart Childs<[email protected]> wrote: >> >> Well, looking back as far as the 1.0.2 documentation, only the >> >> following cascades are documented: >> >> >> >> cascade="all|none|save-update|delete|all-delete-orphan" >> >> >> >> I also found this comment from January 14: "Hmm.. I'm using NHibernate >> >> 2.2 and this happens: [MappingException: Unsupported cascade style: >> >> delete-orphans]" >> >> (here: >> http://stackoverflow.com/questions/444753/how-do-i-make-nhibernate-delete-child-refererences-when-i-delete-a-parent >> ) >> >> >> >> Now I suppose it's possible that they slipped in a delete-orphans >> >> cascade and didn't tell anyone but I'd have to check the NH source to >> >> find out. >> >> >> >> On Fri, Sep 4, 2009 at 10:05 AM, James Crowley<[email protected]> >> wrote: >> >>> >> >>> Hmm, I'm even more confused now! >> >>> >> >>> Ayende makes reference to this way back in 2006: >> >>> >> >>> >> http://ayende.com/Blog/archive/2006/12/02/NHibernateCascadesTheDifferentBetweenAllAlldeleteorphansAndSaveupdate.aspx >> >>> >> >>> ?? >> >>> >> >>> Thanks >> >>> >> >>> James >> >>> >> >>> 2009/9/4 Hudson Akridge <[email protected]>: >> >>>> Mike is correct >> >>>> >> >>>> On Fri, Sep 4, 2009 at 5:33 AM, Mikael Henriksson < >> [email protected]> >> >>>> wrote: >> >>>>> >> >>>>> As far as the NHibernate reference is concerned there is no cascade >> >>>>> "delete-all-orphans" maybe cascade "delete" is the one you are >> >>>>> after? Cascade.Delete() in fluent. If it's not supported in >> nhibernate it's >> >>>>> not going to be supported in Fluent either. >> >>>>> >> >>>>> On Fri, Sep 4, 2009 at 10:07 AM, James Crowley < >> [email protected]> >> >>>>> wrote: >> >>>>>> >> >>>>>> Hi Mikael, >> >>>>>> >> >>>>>> thanks for the response. Unfortunately, that's the >> "all-delete-orphan" >> >>>>>> option (which I'd normally use), but I need the "delete-orphan" >> option >> >>>>>> (so it doesn't automatically persist inserts and updates). I'm >> having >> >>>>>> to do a slightly nasty workaround as described here: >> >>>>>> >> >>>>>> >> http://fgheysels.blogspot.com/2009/05/forcing-nhibernate-to-cascade-deletes.html >> >>>>>> >> >>>>>> in order to be able to delete and then insert entities on a >> collection >> >>>>>> with a unique constraint (that's not on its primary key). >> >>>>>> >> >>>>>> Unless you have any suggestions on how else I might achieve this? >> >>>>>> >> >>>>>> Many thanks, >> >>>>>> >> >>>>>> James >> >>>>>> >> >>>>>> 2009/9/3 Mikael Henriksson <[email protected]>: >> >>>>>> > .I believe what you are looking for is Cascade.AllDeleteOrphan() >> >>>>>> > >> >>>>>> > On Thu, Sep 3, 2009 at 11:10 PM, James Crowley >> >>>>>> > <[email protected]> >> >>>>>> > wrote: >> >>>>>> >> >> >>>>>> >> I'm probably missing something blindingly obvious here, but is >> there >> >>>>>> >> any reason why there is no delete-orphan option when setting the >> >>>>>> >> cascade types? >> >>>>>> >> >> >>>>>> >> Thanks >> >>>>>> >> >> >>>>>> >> James >> >>>>>> >> >> >>>>>> >> >> >>>>>> > >> >>>>>> > >> >>>>>> > > >> >>>>>> > >> >>>>>> >> >>>>>> >> >>>>>> >> >>>>>> -- >> >>>>>> James Crowley >> >>>>>> Managing Director >> >>>>>> Developer Fusion - Connecting developers worldwide >> >>>>>> >> >>>>>> Developer Fusion Ltd | 58 Sandringham Close | Enfield, EN1 3JH >> >>>>>> mob: 07986 624128 web: http://www.developerfusion.com/ >> >>>>>> >> >>>>>> >> >>>>> >> >>>>> >> >>>>> >> >>>> >> >>>> >> >>>> >> >>>> -- >> >>>> - Hudson >> >>>> http://www.bestguesstheory.com >> >>>> http://twitter.com/HudsonAkridge >> >>>> >> >>>> > >> >>>> >> >>> >> >>> >> >>> >> >>> -- >> >>> James Crowley >> >>> Managing Director >> >>> Developer Fusion - Connecting developers worldwide >> >>> >> >>> Developer Fusion Ltd | 58 Sandringham Close | Enfield, EN1 3JH >> >>> mob: 07986 624128 web: http://www.developerfusion.com/ >> >>> >> >>> >> >> >>> >> >> >> > >> > > >> > >> >> >> >> -- >> James Crowley >> Managing Director >> Developer Fusion - Connecting developers worldwide >> >> Developer Fusion Ltd | 58 Sandringham Close | Enfield, EN1 3JH >> mob: 07986 624128 web: http://www.developerfusion.com/ >> >> > >> > > > > -- Sent from my mobile device --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Fluent NHibernate" 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/fluent-nhibernate?hl=en -~----------~----~----~----~------~----~------~--~---
