private IQueryable <TLink> FindPolymorphicLinks <TLink, TRole, TOwner>(TRole value)
where TRole : class
where TLink : class, IPolymorphicLinkWithOid <TRole, TOwner>
where TOwner : class, IHasIntegerId
{
string roleOid = ObjectFinder.GetCompoundKey(value);
return(Container.Instances <TLink>().Where(x => x.RoleObjectOid == roleOid));
}
public virtual TLink NewTransientLink <TLink, TRole, TOwner>(TRole value, TOwner owner)
where TRole : class
where TLink : class, IPolymorphicLinkWithOid <TRole, TOwner>, new()
where TOwner : class, IHasIntegerId
{
if (value == null)
{
return(null);
}
var link = Container.NewTransientInstance <TLink>();
link.Owner = owner;
link.RoleObjectOid = ObjectFinder.GetCompoundKey(value);
return(link);
}
public virtual TLink UpdateAddOrDeleteLink <TLink, TRole, TOwner>(TRole value, TLink link, TOwner owner)
where TRole : class
where TLink : class, IPolymorphicLinkWithOid <TRole, TOwner>, new()
where TOwner : class, IHasIntegerId
{
if (link != null)
{
if (value == null)
{
Container.DisposeInstance(link);
return(null);
}
link.RoleObjectOid = ObjectFinder.GetCompoundKey(value);
return(link);
}
if (Container.IsPersistent(this) && value != null)
{
return(AddLink <TLink, TRole, TOwner>(value, owner));
}
return(null);
}