[seek-dev] Re: proposed gwsdl for Ecogrid registry service

Matt Jones jones at nceas.ucsb.edu
Tue Oct 12 13:14:11 PDT 2004

I too thought we had agreed earlier that the current query interface was 
sufficient.  I don't see why we would need yet another interface here. 
Do you have specific reasons why it should be different?


Jing Tao wrote:
> Hi, Bing:
> It looks nice. But I have question about query service. To my 
> understanding, it can be done by query interface - query(QueryType 
> registryquery) and return a resultset. Do you think we need another 
> operation for it?
> Thanks.
> Jing
> On Fri, 1 Oct 2004, Bing Zhu wrote:
>>Date: Fri, 1 Oct 2004 11:13:06 -0700
>>From: Bing Zhu <bzhu at sdsc.edu>
>>To: Matt Jones <jones at nceas.ucsb.edu>, Arcot Rajasekar <sekar at sdsc.edu>,
>>     Jing Tao <tao at nceas.ucsb.edu>, Rod Spears <rods at ku.edu>
>>Cc: Seek-Dev <seek-dev at ecoinformatics.org>
>>Subject: proposed gwsdl for Ecogrid registry service
>>Matt, Raja, Jing, Rod:
>>Attached is a proposed version of gwsdl for Ecogrid registry service.
>>The toughest part is the query. Currently I put two operations,
>>    GetAllServices(String sessionId) --> for getting all existing ecogrid
>>    QueryEcogridService(String sessionId, String queryField) -->
>>       the query field can be one of the ByName, ByType, ByUrl,
>>ByClassification and ByEndpoint.
>>    Both operations return an array of Ecogrid service objects if
>>The difficulty in designing query operations is that how flexible the query
>>operations are
>>and what we can expect user's requirements in querying Ecogrid registry
>>Jing is the first customer for this service since he needs this in Kepler. I
>>wonder if the above
>>two operations fit his requirement.
>>Another part is that I am not sure about what kinds of 'serviceType' we
>>are going to have. Currently it is just a string field.
>>Let me know.

Matt Jones                                     jones at nceas.ucsb.edu
http://www.nceas.ucsb.edu/    Fax: 425-920-2439    Ph: 907-789-0496
National Center for Ecological Analysis and Synthesis (NCEAS)
University of California Santa Barbara
Interested in ecological informatics? http://www.ecoinformatics.org

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