Hi,
I have a Customer entity and a Manager entity. Both are joined
subclasses of a Business entity.
One customer can be managed by many managers:
public virtual IList<Manager> Managers { get; set; }
One manager can manage many customers:
public virtual IList<Customer> Customers { get; set; }
It is my understanding that automapping doesn't pick this up. So I map
manually with overrides:
public class CustomerMap : IAutoMappingOverride<Customer>
{
public void Override(AutoMap<Customer> mapping)
{
mapping.HasManyToMany<Manager>(x => x.Managers)
.AsBag()
.WithTableName("ManagersCustomers")
.WithParentKeyColumn("CustomerFk")
.WithChildKeyColumn("ManagerFk");
}
}
public class ManagerMap : IAutoMappingOverride<Manager>
{
public void Override(AutoMap<Manager> mapping)
{
mapping.HasManyToMany<Customer>(x => x.Customers)
.AsBag()
.WithTableName("ManagersCustomers")
.WithParentKeyColumn("ManagerFk")
.WithChildKeyColumn("CustomerFk")
.Inverse();
}
}
These overrides are executed, but in
FluentNhibernate.AutoMap.AutoPersistenceModel, the MergeMap method
calls GetTypeToMap, and this does a check to see if the type's
basetype should be passed back. I get a failure here. Using S#arp
Arch's CanConfirmDatabaseMatchesMappings test, I see the exeption:
----> System.ArgumentException : Object of type
'FluentNHibernate.AutoMap.AutoMap`1[Project.Customer]' cannot be
converted to type 'FluentNHibernate.AutoMap.AutoMap`1
[Project.Business]'.
TearDown : System.Reflection.TargetInvocationException : Exception has
been thrown by the target of an invocation.
----> System.Collections.Generic.KeyNotFoundException : The given
key was not present in the dictionary.
Can anyone help with this? I'm not quite sure what to do about it!
For completeness, there's also a one-to-many mapping between Managers
and Customers, where the customer has the notion of a PrimaryManager,
and an inverse relationship exists in the Manager as a list of
ManagedCustomers. I figure this gets picked up by the automapper.
Thanks,
- Chris
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