Re: [fluent-nhib] Digest for fluent-nhibernate@googlegroups.com - 1 Message in 1 Topic

[Dion Scher]

I wrote a blog post on it:

http://dionscher.wordpress.com/how-to-map-a-nhibernate-map-tag-in-fluentnhibernate/

Hope it helps.

On May 31, 2012 11:47 AM, <fluent-n...@googlegroups.com> wrote:

  Today's Topic Summary

Group: http://groups.google.com/group/fluent-nhibernate/topics

• Mapping Dictionary<int, MyObject> [1 Update]

 Mapping Dictionary<int, MyObject>

nordside <matthias...@googlemail.com> May 30 01:59PM -0700  

Hi,
 
I found some information to map a dictionary in FNH - but nothings works
for me. With this configuration I receive an "Could not determine type for:
MyObject, ConsoleApplication1, Version=1.0.0.0, Culture=neutral,
PublicKeyToken=null, for columns: NHibernate.Mapping.Column(Id)" exception:
 
I use
FluentNHibernate - 1.3.0.727
NHibernate - 3.3.0.4000
 
public class MyObject
{
public virtual int Id { get; set; }
 
public virtual string PropertyString { get; set; }
}
 
 
public class MyObjectMap : ClassMap<MyObject>
{
public MyObjectMap()
{
Id(x => x.Id);
Map(x => x.PropertyString);
}
}
 
public class BigObject
{
public virtual int Id { get; set; }
 
public virtual string Name { get; set; }
 
public virtual Dictionary<int, MyObject> DicMyObject { get; set; }
}
 
 
public class BigObjectMap : ClassMap<BigObject>
{
public BigObjectMap()
{
Id(x => x.Id);
Map(x => x.Name);
 
HasMany(x => x.DicMyObject)
.AsMap<MyObject>(
index => index.Column("key").Type<int>(),
element => element.Column("Id").Type<MyObject>())
.Inverse()
.Not.LazyLoad().Table("mybigobjects");
}
}
 
 
I hope someone has an idea.
Thanks
nordside


 

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[nordside]

Hi Dion,

thanks for your post, but it doesn't work for me out of the box.

public Customer()
{
  Settings = new Dictionary(); // it is necessary to specify type for key and value
}

In this way I specify an enumeration for the key 

    public enum SettingType
    {
        PrivateSetting,
        PublicSetting
    }

and a class for the value
    public class Setting
    {
        public virtual string Setting1 { get; set; }

        public virtual int Setting2 { get; set; }
    }

At the end I modify the constructor

        public Customer()
        {
            Settings = new Dictionary<SettingType, Setting>();
        }


Now the question: how to map this? I try out several solutions i found in groups, blogs etc.

HasMany<Dictionary<SettingType, Setting>>(x => x.Settings).AsEntityMap();

HasMany(x => x.Settings)
    .Component(c =>
    {
        c.Map(x => x.Setting1);
        c.Map(x => x.Setting2);
    });

HasMany<Setting>(x => x.Settings)
    .AsEntityMap()
    .Not.LazyLoad()
    .Inverse()
    .Cascade.AllDeleteOrphan();


Have you got an hint to help me?

Thanks 
nordside

Am Donnerstag, 31. Mai 2012 18:00:52 UTC+2 schrieb Dion:

I wrote a blog post on it:

http://dionscher.wordpress.com/how-to-map-a-nhibernate-map-tag-in-fluentnhibernate/

Hope it helps.

On May 31, 2012 11:47 AM, <fluent-nhibernate@googlegroups.com> wrote:

  Today's Topic Summary

Group: http://groups.google.com/group/fluent-nhibernate/topics

• Mapping Dictionary<int, MyObject> [1 Update]

 Mapping Dictionary<int, MyObject>

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