Hello,
I've read a post on SO
<http://stackoverflow.com/questions/13748919/fluent-nhibernate-map-list-of-abstract-class-with-table-per-concrete-class-uni>,
but I have a case where I don't have a list so much as a HasOne.
One of my domain classes HasOne, but that one extends an abstract base
class. I want the abstraction to persist to table-per-hierarchy in the
usual sense, but how to persuade Fluent (and/or NHibernate) that it's okay
to have the abstract base class.
In the meantime, I am receiving an exception building the configuration.
AbstractScheduler is appropriately abstract, protected-parameterless-ctor,
should not be instantiating it. However the mapping wants a
public-parameterless-ctor.
Otherwise, I have mapped the derived schedulers in the usual SubclassMap
sense with a discriminator value. Interested to know how to work past this
sort of use case. I could set it up as a "default scheduler" in the base
class, but that's not as interesting, and could lead to domain design
confusion.
Thank you...
FluentNHibernate.Cfg.FluentConfigurationException was unhandled
HResult=-2146233088
Message=An invalid or incomplete configuration was used while creating a
SessionFactory. Check PotentialReasons collection, and InnerException for
more detail.
Source=FluentNHibernate
StackTrace:
at FluentNHibernate.Cfg.FluentConfiguration.BuildSessionFactory()
at
Football.Data.Repository.Hibernate.SessionFactoryConfigurator.CreateFactory()
in i:\Source\Kingdom
Software\Football\Simulator\Football.Data\Repository\Hibernate\SessionFactoryConfigurator.cs:line
66
at
Football.Repository.SessionFactoryConfiguratorBase`1.get_Factory() in
i:\Source\Kingdom
Software\Football\Simulator\Football.Repository\SessionFactoryConfiguratorBase.cs:line
37
at
Football.Data.RepositoryExtensionMethods.GetRepositoryForSession[TConfigurator,TRepository](TConfigurator
configurator, Func`2 getter, IInterceptor sessionLocalInterceptor) in
i:\Source\Kingdom
Software\Football\Simulator\Football.Data\Extensions\RepositoryExtensionMethods.cs:line
26
at Football.Migrator.Program.Main(String[] args) in
i:\Source\Kingdom
Software\Football\Simulator\Football.Migrator\Program.cs:line 52
at System.AppDomain._nExecuteAssembly(RuntimeAssembly assembly,
String[] args)
at System.AppDomain.ExecuteAssembly(String assemblyFile, Evidence
assemblySecurity, String[] args)
at Microsoft.VisualStudio.HostingProcess.HostProc.RunUsersAssembly()
at System.Threading.ThreadHelper.ThreadStart_Context(Object state)
at System.Threading.ExecutionContext.RunInternal(ExecutionContext
executionContext, ContextCallback callback, Object state, Boolean
preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext
executionContext, ContextCallback callback, Object state, Boolean
preserveSyncCtx)
at System.Threading.ExecutionContext.Run(ExecutionContext
executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
InnerException: FluentNHibernate.Cfg.FluentConfigurationException
HResult=-2146233088
Message=An invalid or incomplete configuration was used while
creating a SessionFactory. Check PotentialReasons collection, and
InnerException for more detail.
Source=FluentNHibernate
StackTrace:
at FluentNHibernate.Cfg.FluentConfiguration.BuildConfiguration()
at
FluentNHibernate.Cfg.FluentConfiguration.BuildSessionFactory()
InnerException: FluentNHibernate.MissingConstructorException
HResult=-2146233088
Message='Football.Data.Mappings.Schedulers.AbstractSchedulerMap,
Football.Data, Version=1.0.0.0, Culture=neutral, PublicKeyToken=null' is
missing a parameterless constructor.
Source=FluentNHibernate
StackTrace:
at
FluentNHibernate.Utils.Extensions.InstantiateUsingParameterlessConstructor(Type
type)
at FluentNHibernate.PersistenceModel.Add(Type type)
at
FluentNHibernate.Utils.CollectionExtensions.Each[T](IEnumerable`1
enumerable, Action`1 each)
at
FluentNHibernate.PersistenceModel.AddMappingsFromSource(ITypeSource source)
at
FluentNHibernate.PersistenceModel.AddMappingsFromAssembly(Assembly assembly)
at
FluentNHibernate.Cfg.FluentMappingsContainer.Apply(PersistenceModel model)
at
FluentNHibernate.Cfg.MappingConfiguration.Apply(Configuration cfg)
at
FluentNHibernate.Cfg.FluentConfiguration.BuildConfiguration()
InnerException:
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