Windows service wcf session

Hi all,

I am hosting a WcF Managed service that runs under the context of a windows
service.  It is accessable by MSMQ.

I have the following problem and I would like some advice on the approach.

The service will be part of a multi-tenant application where each client has
their own web site instance and own database with exactly the same schema.

I have created the service so I only have to roll out changes to the service
and not 40 websites.

Anyway, the way it works is each client places a message on the MSMQ.  I am
passing the clients specific connection string on the MSMQ.

I am using Nhibernate for my data access and it is possible to change the
connection string for nhibernate using this approach:

http://nhforge.org/wikis/howtonh/dynamically-change-user-info-in-connection-string.aspx

This is not a Nhibernate problem I am asking here.

What I need to do is somehow let the Nhibernate connection provider class
know which connection string I am using.

The only thing I can think of is a static variable and I would have to lock
the calling code.

Is there an alternative to using static variables from a windows service or
a WcF service for that matter?

Cheers

Paul

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