Question

How do I ‘turn on’ cascading saves using AutoMap Persistence Model with Fluent NHibernate?

As in:

I Save the Person and the Arm should also be saved. Currently I get

‘object references an unsaved transient instance – save the transient instance before flushing’

public class Person : DomainEntity {   public virtual Arm LeftArm { get; set; } }  public class Arm : DomainEntity {   public virtual int Size { get; set; } } 

I found an article on this topic, but it seems to be outdated.

Answer 1

This works with the new configuration bits. For more information, see http://fluentnhibernate.wikia.com/wiki/Converting_to_new_style_conventions

//hanging off of AutoPersistenceModel     .ConventionDiscovery.AddFromAssemblyOf<CascadeAll>()   public class CascadeAll : IHasOneConvention, IHasManyConvention, IReferenceConvention {     public bool Accept( IOneToOnePart target )     {         return true;     }      public void Apply( IOneToOnePart target )     {         target.Cascade.All();     }      public bool Accept( IOneToManyPart target )     {         return true;     }      public void Apply( IOneToManyPart target )     {         target.Cascade.All();     }      public bool Accept( IManyToOnePart target )     {         return true;     }      public void Apply( IManyToOnePart target )     {         target.Cascade.All();     } }