Thanks Morten! It worked. Thought that it was more FNH than a NH issue because it was in the mapping so that's why I posted it here. Anyhow, thanks again. /martin
On Sat, Dec 5, 2009 at 11:53 PM, Morten Maxild <mmax...@gmail.com> wrote: > This is NH specific, but anyway….please cross post on nhusers > > > > A solution is to use a formula in the ‘composite-element mapping’ for the > ‘duplicated’ property > > > > In FNH lingo (to avoid magic strings) inside component mapping > > > > c.Map(x => x. RegionName).Formula(ReflectionHelper.GetProperty<Money>(x => > x. RegionName).Name); > > > > => > > > > <property name="RegionName" column=” RegionName” formula=" RegionName " /> > > > > Inside parent ‘composite-element’ element > > > > HTH > > Morten > > > ------------------------------ > > *From:* Martin Nilsson [mailto:mffmar...@gmail.com] > *Sent:* Saturday, December 05, 2009 1:32 PM > *To:* fluent-nhibernate@googlegroups.com > *Subject:* [fluent-nhib] Mapping a dictionary with components > > > > Hi, > > I have a dictionary field in my Product class that contains prices (Money > class) per region. In other words, a dictionary containg Value Objects. > > I can save the prices with correct region and amount but when I read them > from the database then I can't get the region name (Money.RegionName) to map > correctely. The Money.Amount is mapped correctely though. This is my setup. > > public class ProductMap : ClassMap<Product> > { > public ProductMap() > { > Id(x => x.Id); > HasMany(x => x.Prices).Access.CamelCaseField().Cascade.All().AsMap(key > => key.RegionName) > .Component(desc => desc.Map(x => x.Amount)); > } > } > > public sealed class Money : IEquatable<Money>, IComparable, > IComparable<Money> > { > private readonly string regionName; > private readonly decimal amount; > > public Money() > : this(0, new RegionInfo(CultureInfo.CurrentCulture.LCID)) > { > } > public Money(decimal amount, string regionName) : this(amount, new > RegionInfo(regionName)) > { > } > > public string RegionName > { > get { return regionName; } > } > > public decimal Amount > { > get { return amount; } > } > } > > Map part in hbm file: > <map access="field.camelcase" cascade="all" name="Prices" mutable="true"> > <key> > <column name="Product_id" /> > </key> > <index type="System.String, mscorlib, Version=2.0.0.0, Culture=neutral, > PublicKeyToken=b77a5c561934e089"> > <column name="RegionName" /> > </index> > <composite-element class="Money, Domain, Version=1.0.0.0, > Culture=neutral, PublicKeyToken=null"> > <property access="field.camelcase" name="Amount" type="System.Decimal, > mscorlib, Version=2.0.0.0, Culture=neutral, > PublicKeyToken=b77a5c561934e089"> > <column name="Amount" /> > </property> > </composite-element> > </map> > > If I change to this (adding map of region name in component): > > HasMany(x => x.Prices).Access.CamelCaseField().Cascade.All().AsMap(key => > key.RegionName) > .Component(desc => > { > desc.Map(x => x.Amount).Access.CamelCaseField(); > desc.Map(x => x.RegionName).Access.CamelCaseField(); > }); > > Then I get error: > [MappingException: Repeated column in mapping for collection: > Product.Prices column: RegionName] > NHibernate.Mapping.Collection.CheckColumnDuplication(ISet`1 > distinctColumns, IEnumerable`1 columns) in d:\OSS\NHibernate > 2.1\nhibernate\src\NHibernate\Mapping\Collection.cs:615 > > I have searched for dictionary with components examples but only found for > set. > For example "7.2. Collections of dependent objects", > https://www.hibernate.org/hib_docs/nhibernate/html/components.html > > Any hints? > > -- > > You received this message because you are subscribed to the Google Groups > "Fluent NHibernate" group. > To post to this group, send email to fluent-nhibern...@googlegroups.com. > To unsubscribe from this group, send email to > fluent-nhibernate+unsubscr...@googlegroups.com<fluent-nhibernate%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/fluent-nhibernate?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Fluent NHibernate" group. > To post to this group, send email to fluent-nhibern...@googlegroups.com. > To unsubscribe from this group, send email to > fluent-nhibernate+unsubscr...@googlegroups.com<fluent-nhibernate%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/fluent-nhibernate?hl=en. > -- You received this message because you are subscribed to the Google Groups "Fluent NHibernate" group. To post to this group, send email to fluent-nhibern...@googlegroups.com. To unsubscribe from this group, send email to fluent-nhibernate+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/fluent-nhibernate?hl=en.
