[seek-dev] Re: FW: implementation of Query and Get
tao at nceas.ucsb.edu
Wed Sep 10 13:46:15 PDT 2003
Now I am working to creat a service for globus from WSDL. It seems have
some issues need to be figure out.
On Wed, 10 Sep 2003, Bing Zhu wrote:
> 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).
> -----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?
> 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
> > - 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
> > 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
National Center for Ecological
Analysis and Synthesis (NCEAS)
735 State St. Suite 204
Santa Barbara, CA 93101
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