Hi Ricardo
Thanks for your reply. I'm afraid i havn't made any progress yet. I
tried to change the signature of the Data property with two different
implementations. In the first I use a private field, so I'm able to
initialse the field in the constructor. In the second I use an auto-
implemented property (which I think is the one that u suggest).
However both of these of these implementations gives me the
NullReferenceException when calling
Configuration.BuildSessionFactory().
Does anyone have a code example of how to map a SortedList<,>?
Thank you
TestEntity implementation 1:
namespace Domain
{
public class TestEntity
{
private SortedList<DateTime, string> _data;
public TestEntity()
{
_data = new SortedList<DateTime, string>();
}
public virtual Guid Id { get; set; }
public virtual IDictionary<DateTime, string> Data
{
get { return _data; }
set
{
_data = value is SortedList<DateTime, string>
? (SortedList<DateTime, string>)value
: new SortedList<DateTime, string>(value);
}
}
}
}
TestEntity implementation 2:
namespace LiveBall.Domain.Participant
{
public class TestEntity
{
public TestEntity()
{ }
public virtual Guid Id { get; set; }
public virtual IDictionary<DateTime, string> Data
{
get;
set;
}
}
}
TestEntity.hbm.xml:
<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.2"
assembly="Domain" namespace="Domain">
<class name="TestEntity">
<id name="Id">
<generator class="guid" />
</id>
<map name="Data" sort="natural">
<key column="EntityId" />
<index column="time" type="DateTime" />
<element column="value" type="String" />
</map>
</class>
</hibernate-mapping>
On Mar 3, 11:07 pm, Ricardo Peres <[email protected]> wrote:
> Map the Data property through an interface, such as:
>
> public virtual IDictionary<DateTime, string> Data
> {
> get;
> set;
>
>
>
> }
> On Saturday, March 3, 2012 9:40:12 PM UTC, Arcreme wrote:
>
> > I am trying to map the following SortedList:
>
> > ...
> > private SortedList<DateTime, string> _data;
> > public virtual SortedList<DateTime, string> Data
> > {
> > get { return _data; }
> > set { _data = value; }
> > }
>
> > ...
> > <map name="Data" sort="natural">
> > <key column="EntityId" />
> > <index column="time" type="DateTime" />
> > <element column="value" type="String" />
> > </map>
> > ...
>
> > However when I try to create a session factory using
> > Configuration.BuildSessionFactory() I get a NullReferenceException:
>
> > --NullReferenceException
> > at NHibernate.Mapping.Map.get_CollectionType() in d:\CSharp\NH\NH
> > \nhibernate\src\NHibernate\Mapping\Map.cs: line 33
>
> > If I omit the sort attribute (which I belive I shouldn't according to
> > the manual) in the map element i get a
> > NHibernate.PropertyAccessException:
>
> > System.InvalidCastException : Unable to cast object of type
> > 'NHibernate.Collection.Generic.PersistentGenericMap`2[System.DateTime,System.String]'
>
> > to type
> > 'System.Collections.Generic.SortedList`2[System.DateTime,System.String]'.
>
> > I also to have the sort attribute to point to a implementation of the
> > IComparer interface, but I still get the NullReferenceException.
>
> > Any ideas on how to succesfully map a SortedList?
>
> > Thank you.
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