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Article #21823Re: [NH] many-to-many i session.Save(movie)
From: Łukasz 'Maly' Ostrowski
Date: Wed, 03 Nov 2010 14:57
Date: Wed, 03 Nov 2010 14:57
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2821 bytes
On Wed, 3 Nov 2010 10:00:31 +0100, GrzybSon wrote: > <Film hbm> > > <?xml version="1.0" encoding="utf-8"?> > <hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"> > <class name="nh.wypozyczalnia.Film,NH.Domain" table="film" lazy="true"> > <id name="Id" column="id" type="Decimal"> > <generator class="native" /> > </id> > > <property name="TytulPolski" column="tytul_polski" type="string" > not-null="true" /> > <property name="TytulObcy" column="tytul_obcy" type="string" /> > <property name="DataPremiery" column="data_premiery" type="DateTime" /> > <property name="Uwagi" column="uwagi" type="string" /> > <property name="Okladka" column="okladka" type="string" /> > <many-to-one name="FormatFilmu" column="id_formatuFilmu" > cascade="save-update" /> > <many-to-one name="RodzajTlumaczenia" column="id_rodzajuTlumaczenia" > cascade="save-update" /> > <property name="Sciezka" column="sciezka" type="string" /> > > <bag name="FilmAktor" inverse="true" lazy="true" cascade="all"> > <key column="id_filmu" /> > <one-to-many class="nh.wypozyczalnia.FilmAktor,NH.Domain" /> > </bag> > > <bag name="Gatunki" table="gatunki_filmow" inverse="true" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > cascade="save-update" generic="true"> > <key column="id_filmu" /> > <many-to-many class="nh.wypozyczalnia.Gatunek,NH.Domain" > column="id_gatunku" /> > </bag> > </class> > </hibernate-mapping> http://stackoverflow.com/questions/712802/nhibernate-many-to-many-relationship-not-working Na szybko, Inverse na Filmie, a później dodawanie kategorii do filmu nie zahula ;-). Pozatym Many-to-Many wymusza na Tobie dodanie relacji po obu stronach tejże, do Kategorii dodajesz film, do filmu dodajesz kategorie. Szerzej w poście na SO. p.s. decimal jako typ klucza głównego to jest wybór świadomy? ;-) -- Pozdrawiam, Łukasz 'Maly' Ostrowski. http://l3v.eu/
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Path: mbox-mo1.pugleaf.net!news-archive.icm.edu.pl!news.gazeta.pl!newsfeed.pionier.net.pl!news.dialog.net.pl!not-for-mail From: Łukasz 'Maly' Ostrowski <maly@USUNnemo.pl> Newsgroups: alt.pl.comp.lang.csharp Subject: Re: [NH] many-to-many i session.Save(movie) Date: Wed, 3 Nov 2010 15:57:21 +0100 Organization: Acme Lines: 53 Message-ID: <h9xwg0qecybu.eol8dng45ctj$.dlg@40tude.net> References: <iar8be$54q$1@news.onet.pl> NNTP-Posting-Host: static-78-9-71-129.ssp.dialog.net.pl Mime-Version: 1.0 X-Trace: news.dialog.net.pl 1288796245 26440 78.9.71.129 (3 Nov 2010 14:57:25 GMT) X-Complaints-To: abuse@dialog.net.pl NNTP-Posting-Date: Wed, 3 Nov 2010 14:57:25 +0000 (UTC) User-Agent: 40tude_Dialog/2.0.15.1 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit