NHibernate.Lob.External.AbstractExternalBlobType.GetExternalBlobConnection C# (CSharp) Method

		protected IExternalBlobConnection GetExternalBlobConnection(ISessionImplementor session)
		{
			if (session.Connection == null) throw new NullReferenceException("CasBlobType requires an open connection.");
			IExternalBlobConnection c = session.Connection as IExternalBlobConnection;
			if (c == null) throw new Exception("ExternalBlobTypes requires a IExternalBlobConnection. Make sure you use NHibernate.Lob.External.DriverConnectionProvider and specify an IExternalBlobConnectionProvider in your NHibernate configuration.");
			if (identifierLength == 0) identifierLength = c.BlobIdentifierLength;
			return c;
		}