Re: [wsrf] Singleton Resource Pattern

[Ian Robinson <ian_robinson@uk.ibm.com>]

See previous discussion of WS-Context and WSRF:
http://www.oasis-open.org/archives/wsrf/200405/msg00087.html

Regards,
Ian Robinson
STSM, WebSphere Transactions Architect
IBM Hursley Lab, UK
ian_robinson@uk.ibm.com

John Fuller <jfuller@wernervas.com> 12/07/2004 20:46

To:        Rich Thompson <richt2@us.ibm.com>         cc:        wsrf@lists.oasis-open.org         Subject:        Re: [wsrf] Singleton Resource Pattern

Could WS-Context from WS-CAF help for these situations?

On Jul 12, 2004, at 2:40 PM, Rich Thompson wrote:

>
> But with the stateless character of web services, that UserName 
> property would be shared by all users of the web service. There may be 
> some usefulness to that, but it becomes far more useful when the web 
> service interface fronts access to a multiplicity of state, each 
> storing such a property.
>
> To make this a concrete example, presume the UserName property is 
> really a reference to a field in a database. One could provide a 
> separate web service interface for each record within the database, 
> but it would be a much lighter (and frequently more useful) definition 
> if there was a single web service interface that had some well defined 
> means for indicating what record of the database was the target of the 
> current invocation. WSRP had this type of need and had to define a 
> means that is idiosyncratic to our protocol for passing the stateful 
> reference. Defining a standardized means by which infrastructure can 
> take more of the load for handling such references is one of the 
> outcomes I would like to see from the WSRF effort.
>