Hi
When I try mapping the following model and inserting an OpenProject I
get this error. If I make Project non-abstract it works. Anyone got
any ideas?
NHibernate.StaleObjectStateException: Row was updated or deleted by
another transaction (or unsaved-value mapping was incorrect):
[FluentNHib.Core.Domain.ClosedProject#b827aa8f-cea7-4b1a-a88b-
eff845d56861]
at NHibernate.Persister.Entity.AbstractEntityPersister.Check(Int32
rows, Object id, Int32 tableNumber, IExpectation expectation,
IDbCommand statement)
at NHibernate.Persister.Entity.AbstractEntityPersister.Update(Object
id, Object[] fields, Object[] oldFields, Object rowId, Boolean[]
includeProperty, Int32 j, Object oldVersion, Object obj,
SqlCommandInfo sql, ISessionImplementor session)
at NHibernate.Persister.Entity.AbstractEntityPersister.UpdateOrInsert
(Object id, Object[] fields, Object[] oldFields, Object rowId, Boolean
[] includeProperty, Int32 j, Object oldVersion, Object obj,
SqlCommandInfo sql, ISessionImplementor session)
at NHibernate.Persister.Entity.AbstractEntityPersister.Update(Object
id, Object[] fields, Int32[] dirtyFields, Boolean hasDirtyCollection,
Object[] oldFields, Object oldVersion, Object obj, Object rowId,
ISessionImplementor session)
at NHibernate.Action.EntityUpdateAction.Execute()
at NHibernate.Engine.ActionQueue.Execute(IExecutable executable)
at NHibernate.Engine.ActionQueue.ExecuteActions(IList list)
at NHibernate.Engine.ActionQueue.ExecuteActions()
at
NHibernate.Event.Default.AbstractFlushingEventListener.PerformExecutions
(IEventSource session)
at NHibernate.Event.Default.DefaultFlushEventListener.OnFlush
(FlushEvent event)
at NHibernate.Impl.SessionImpl.Flush()
DOMAIN OBJECTS:
public class EntityBase
{
protected EntityBase()
{
ID = Guid.NewGuid();
}
public virtual Guid ID { get; set;}
public virtual int Version { get; set; }
}
public abstract class Project : EntityBase
{
}
public class OpenProject : Project
{
}
MAPPING CLASSES:
public abstract class MappingBase<T> : ClassMap<T> where T :
EntityBase
{
protected MappingBase()
{
Id(e => e.ID).GeneratedBy.Assigned();
Version(x => x.Version);
}
}
public class ProjectMap : MappingBase<Project>
{
public ProjectMap()
{
DiscriminateSubClassesOnColumn("ProjectType")
.SubClass<OpenProject>(MapOpenProject);
}
private void MapOpenProject(SubClassPart<string, Project,
OpenProject> obj)
{
}
}
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