[Zope-dev] transaction_manager attribute of transaction.interfaces.IDataManager

[Chris Withers]

Laurence Rowe wrote:
>     transaction_manager = zope.interface.Attribute(
>         """The transaction manager (TM) used by this data manager.
> 
>         This is a public attribute, intended for read-only use.  The value
>         is an instance of ITransactionManager, typically set by the data
>         manager's constructor.
>         """)
> 
> This seems to be used only in the tests, I guess it would be useful if
> you were using multiple transaction managers in a single thread. 

Can you think fo examples where that would happen?

What is a "transaction manager"?

cheers,

Chris