[SAGA-RG] Context attributes

[Andre Merzky]

Hi Ceriel,

Quoting [Ceriel Jacobs] (Feb 06 2009):
> 
> Andre Merzky wrote:
> 
>> Again: saga::context instance is not supposed to allow
>> the user to create a credential on API level, or to
>> manage it, etc - it is solely supposed to _point_ to an
>> existing credential, and to deliver additional
>> information about it, if available (such as lifetime).
>> 
>> So, there is no reason not to allow the implementation to
>> attach additional information, or state attributes, or
>> whatever to the context internally.  In fact, the
>> implementation may need to do credential management - and
>> these actions are not expressed at API level at all.
> 
> There recently was an issue with the JavaGAT
> implementation, see
> https://mail.cct.lsu.edu/mailman/private/gat-devel/2008-December/001234.html,
> where an application has a GSSCredential object and needs
> to use that object for authentication to a GRAM.
> Currently, there is no way in SAGA to deal with this
> situation. A SAGA context extends SAGA attributes, and
> attributes only deal with strings. So, I guess that even
> allowing only string-string attributes in the API can
> already be a problem.

Can't the JavaSAGA implementation recreate the same
GSSCredential object within the adaptor?  

Andre.

> Ceriel

-- 
Nothing is ever easy.