I can't figure out how to register a generic abstract class that has a injected generic interface with my Unity (2.0) container. Here's the interface and classes:
public interface IReportFactory<in TEntity, out TReport>
{ ... }
public class ExperienceReportBaseFactory :
IReportFactory<Experience, ExperienceReportBase>
{ ... }
public abstract class ReportProvider<TEntity, TReport>
{
protected ReportProvider(
IReportFactory<TEntity, TReport> reportFactory)
{ ... }
...
}
public class ExperienceDetailsReportProvider
: ReportProvider<Experience, ExperienceReportBase>
{
public ExperienceDetailsReportProvider(
IReportFactory<Experience, ExperienceReportBase>
reportFactory)
: base(reportFactory) { ... }
...
}
Here's the registration code:
Container.RegisterInstance(typeof(IReportFactory<Experience, ExperienceReportBase>), new ExperienceReportBaseFactory())
.RegisterType(typeof(ReportProvider<Experience, ExperienceReportBase>),
typeof (ExperienceDetailsReportProvider),
new InjectionConstructor(Container.Resolve(typeof (IReportFactory<Experience, ExperienceReportBase>))));
Here's my provider factory that's tries to resolve the ReportProvider<,>
:
public class ReportProviderFactory<TEntity> : IReportProviderFactory<TEntity>
{
private readonly IServiceLocator _serviceLocator;
public ReportProviderFactory(IServiceLocator serviceLocator)
{
_serviceLocator = serviceLocator;
}
public ReportProvider<TEntity, TReport> Create<TReport>()
where TReport : ActiveReport
{
var reportProvider =
_serviceLocator.GetService(typeof (ReportProvider<TEntity, TReport>)) as
ReportProvider<TEntity, TReport>;
return reportProvider;
}
}
I get, "The type ReportProvider`2 cannot be constructed. You must configure the container to supply this value," on the _serviceLocator.GetService(...)
line.