An PersistentIdentifierBag has a primary key consistenting of just
            the identifier column.
            
Namespace: NHibernate.MappingAssembly: NHibernate (in NHibernate.dll) Version: 3.2.0.4000 (3.2.0.4000)
Syntax
| C# | 
|---|
[SerializableAttribute] public class IdentifierBag : IdentifierCollection  | 
| Visual Basic | 
|---|
<SerializableAttribute> _ Public Class IdentifierBag _ Inherits IdentifierCollection  | 
| Visual C++ | 
|---|
[SerializableAttribute] public ref class IdentifierBag : public IdentifierCollection  | 
Inheritance Hierarchy
System..::..Object
NHibernate.Mapping..::..Collection
NHibernate.Mapping..::..IdentifierCollection
NHibernate.Mapping..::..IdentifierBag
NHibernate.Mapping..::..Collection
NHibernate.Mapping..::..IdentifierCollection
NHibernate.Mapping..::..IdentifierBag