[seek-dev] Re: FW: implementation of Query and Get

Jing Tao tao at nceas.ucsb.edu
Wed Sep 10 13:46:15 PDT 2003


Hi, Bing:

Sounds great!

Now I am working to creat a service for globus from WSDL. It seems have 
some issues need to be figure out. 

Good luck!

Jing
On Wed, 10 Sep 2003, Bing Zhu wrote:

> Jing,
> 
> Dave's QueryInterface4 looks good to me. If all of us agree with this
> simplified version
> for Query and Get, we can start to develop an OGSA service as I described in
> my previous
> mail (see below).
> 
> I am currently writing Java code, XMLQueryDocSRBParser.java, which reads our
> XML query document into an Apache xerces DOM object and then decode the
> DOM object into SRB query(s).
> 
> Bing
> 
> 
> -----Original Message-----
> From: Jing Tao [mailto:tao at nceas.ucsb.edu]
> Sent: Monday, September 08, 2003 11:51 AM
> To: Bing Zhu
> Cc: Dave Vieglais
> Subject: Re: implementation of Query and Get
> 
> 
> Hi, Bing:
> 
> I think the basic idea is right. But I didn't think in step 4 we need save
> the search result in cache in current stage( Maybe we will do it in
> future) and I thought the search result will be returned to the user
> direclty. In step 5, I don't think Get action is used to get search
> result, I think it is kind of "read" action and you can get a specific
> document or file by it.
> 
> Any comments?
> 
> Thanks!
> 
> Jing
> 
> On Mon, 8 Sep 2003, Bing Zhu wrote:
> 
> > Jing,
> >
> > I guess the way we are going to implement our Query and Get will
> > be of followings.
> >
> > 1. A user submit a query to our query service (OGSA-based).
> > 2. our query service will pass the query to Metacat and SRB. (Currently we
> > just
> >    consider the Metacat and SRB only.)
> >       - Metacat has already had code for XML query doc, so it should be
> OK.
> >       - SRB: Bing has to develop some Java code which translates the XML
> > query
> >              doc into a query in SRB query format.
> > 3. XSLT:
> >       - Metacat needs a XSLT to translate Metacat's search result into a
> XML
> > document
> >         in EcoGrid's result format.
> >       - SRB needs a XSLT to translate SRB's search result into a XML
> > document in
> >         EcoGrid's result format.
> > 4. The combined search results will be saved in a cache area in server.
> > 5. A user get search results via Get service.
> >
> > Let me know your comment. Thanks.
> >
> > Bing
> >
> 
> --
> Jing Tao
> National Center for Ecological
> Analysis and Synthesis (NCEAS)
> 735 State St. Suite 204
> Santa Barbara, CA 93101
> 

-- 
Jing Tao
National Center for Ecological
Analysis and Synthesis (NCEAS)
735 State St. Suite 204
Santa Barbara, CA 93101




More information about the Seek-dev mailing list