I am writing a program that stores data in one database and references
a medical records system via an API I am writing using AR. Currently,
the API and the scheduling system are compiled into one program. I
have abstracted the ActiveRecord class and created an
AhtActiveRecordBase class in which I override the update/save/delete
functions to ensure we cannot write back to our EMR.
This part works fine. When I only connect to one DB it works fine, the
issue comes when I use multiple configuration sections to connect to
more than one db. Whenever I access the EMR db after adding the
database,
I get a System.Collections.Generic.KeyNotFoundException exception. I
am attaching the code and the stack trace in hopes that someone can
point me in the right direction. I am using the daily build for this.
Thank you for your help!
Chris Sims
Senior Software Specialist
NHS Management, LLC.
Config File:
<activerecord>
<config>
<add key="connection.driver_class"
value="NHibernate.Driver.SqlClientDriver" />
<add key="dialect" value="NHibernate.Dialect.MsSql2005Dialect" /
>
<add key="connection.provider"
value="NHibernate.Connection.DriverConnectionProvider" />
<add key="connection.connection_string_name" value="main" />
<add value="NHibernate.ByteCode.Castle.ProxyFactoryFactory,
NHibernate.ByteCode.Castle" key="proxyfactory.factory_class" />
<add key="connection.isolation" value="ReadUncommitted" />
</config>
<config type="Scheduler.Core.AhtActiveRecordBase`1,
Scheduler.Core">
<add key="connection.driver_class"
value="NHibernate.Driver.SqlClientDriver" />
<add key="dialect" value="NHibernate.Dialect.MsSql2005Dialect" /
>
<add key="connection.provider"
value="NHibernate.Connection.DriverConnectionProvider" />
<add key="connection.connection_string_name" value="AHT" />
<add value="NHibernate.ByteCode.Castle.ProxyFactoryFactory,
NHibernate.ByteCode.Castle" key="proxyfactory.factory_class" />
</config>
</activerecord>
Init Statement:
ActiveRecordStarter.Initialize(ActiveRecordSectionHandler.Instance
//various types omitted from code
listing for brevity
, typeof(ServiceProviderType)
, typeof(ResidentServiceProviders)
, typeof(AhtActiveRecordBase<>)
);
Error Statement:
List<Facility> facs = new List<Facility>(Facility.FindAll());
AhtActiveRecordBase<>:
public abstract class AhtActiveRecordBase<T> : ActiveRecordBase<T>
{
#region Force read only, remove Save/Update/Create/Delete
functionality
public override void Save()
{}
public override void SaveAndFlush()
{}
public override void Delete()
{}
public override void DeleteAndFlush()
{}
public override void Update()
{}
public override void UpdateAndFlush()
{}
public override void Create()
{}
public override void CreateAndFlush()
{}
#endregion
}
Facility
[ActiveRecord("FacilityList", Schema="NHS",
Access=PropertyAccess.NosetterCamelcase)]
public partial class Facility : AhtActiveRecordBase<Facility>
{ // large amount of fields/properties ommitted for brevity }
The Exception
System.Collections.Generic.KeyNotFoundException was unhandled
Message="The given key was not present in the dictionary."
Source="mscorlib"
StackTrace:
at System.ThrowHelper.ThrowKeyNotFoundException()
at System.Collections.Generic.Dictionary`2.get_Item(TKey key)
at NHibernate.Cfg.Configuration.Mapping.GetPersistentClass
(String className)
at NHibernate.Cfg.Configuration.Mapping.GetIdentifierType
(String className)
at NHibernate.Type.EntityType.GetIdentifierType(IMapping
factory)
at NHibernate.Type.EntityType.GetIdentifierOrUniqueKeyType
(IMapping factory)
at NHibernate.Type.ManyToOneType.GetColumnSpan(IMapping
mapping)
at NHibernate.Mapping.SimpleValue.IsValid(IMapping mapping)
at NHibernate.Mapping.ToOne.IsValid(IMapping mapping)
at NHibernate.Mapping.Property.IsValid(IMapping mapping)
at NHibernate.Mapping.PersistentClass.Validate(IMapping
mapping)
at NHibernate.Mapping.RootClass.Validate(IMapping mapping)
at NHibernate.Cfg.Configuration.Validate()
at NHibernate.Cfg.Configuration.BuildSessionFactory()
at
Castle.ActiveRecord.Framework.SessionFactoryHolder.GetSessionFactory
(Type type) in c:\castle\ActiveRecord\Castle.ActiveRecord\Framework
\SessionFactoryHolder.cs:line 135
at
Castle.ActiveRecord.Framework.SessionFactoryHolder.CreateScopeSession
(Type type) in c:\castle\ActiveRecord\Castle.ActiveRecord\Framework
\SessionFactoryHolder.cs:line 296
at
Castle.ActiveRecord.Framework.SessionFactoryHolder.CreateSession(Type
type) in c:\castle\ActiveRecord\Castle.ActiveRecord\Framework
\SessionFactoryHolder.cs:line 182
at Castle.ActiveRecord.ActiveRecordBase.FindAll(Type
targetType, Order[] orders, ICriterion[] criteria) in c:\castle
\ActiveRecord\Castle.ActiveRecord\Framework\ActiveRecordBase.cs:line
997
at Castle.ActiveRecord.ActiveRecordBase.FindAll(Type
targetType) in c:\castle\ActiveRecord\Castle.ActiveRecord\Framework
\ActiveRecordBase.cs:line 982
at Castle.ActiveRecord.ActiveRecordBase`1.FindAll() in c:\castle
\ActiveRecord\Castle.ActiveRecord\Framework
\ActiveRecordBase.Generic.cs:line 341
at Scheduler.BuildSchedule.Program.Main(String[] args) in C:
\SharpProjects\EnhancedScheduler\Scheduler.BuildSchedule
\Program.cs:line 107
at System.AppDomain._nExecuteAssembly(Assembly 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.Run(ExecutionContext
executionContext, ContextCallback callback, Object state)
at System.Threading.ThreadHelper.ThreadStart()
InnerException:
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