[seek-dev] Re: proposed gwsdl for Ecogrid registry service
tao at nceas.ucsb.edu
Fri Oct 1 14:03:39 PDT 2004
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?
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.
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