[seek-dev] Ecogrid Registry and Query

[Jing Tao]

Hi, Rod:

I did try the it. But in http://129.237.201.166:8080/ogsa/registry.jsp
I couldn't find a place to post query. So have to click the link - try out 
an ecogrid query and get the page 
http://129.237.201.166:8080/ogsa/query.jsp. 

In there, I chosen Digir Grid Resource and followed your instructions. 
Yes, I got the same results as yours.

If I chose Metacat Grid Resouce, I got the same result too. But I took a 
look at metacat ecogrid log file, I didn't find any request to it. So it 
seems the query didn't go through metacat ecogrid. I double checked the 
url in registry, it is correct. I have no idea why the query could not go 
to metacat ecogrid.

Could you take a look?

Thanks!

Jing

 


On Wed, 10 Mar 2004, Rod Spears wrote:

> I have the initial implementation of the Ecogrid Registry working.
> 
> To try it out:
> http://129.237.201.166:8080/ogsa/registry.jsp
> 
> You can try out a Digir Query by going to the Query Page 
> <http://129.237.201.166:8080/ogsa/query.jsp> and selecting the "Digir 
> Ecogrid Resource" and then copy/paste this query into the text box:
> 
> <egq:query queryId="query-digir.1.1" system="http://knb.ecoinformatics.org"
>     xmlns:egq="ecogrid://ecoinformatics.org/ecogrid-query-1.0.0beta1"
>     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
>     
> xsi:schemaLocation="ecogrid://ecoinformatics.org/ecogrid-query-1.0.0beta1 
> ../../src/xsd/query.xsd">
>     <namespace 
> prefix="darwin">http://digir.net/schema/conceptual/darwin/2003/1.0</namespace>
>     <returnfield>/ScientificName</returnfield>
>     <returnfield>/Longitude</returnfield>
>     <returnfield>/Latitude</returnfield>
>     <title>Peromyscus genus query</title>
>     <condition operator="LIKE" concept="Genus">Peromyscus</condition>
> </egq:query>
> 
> The results should look like this:
> Query succeeded!
> darwin:ScientificName 	darwin:Longitude 	darwin:Latitude
> PEROMYSCUS MANICULATUS LUTEUS 	null 	null
> PEROMYSCUS MANICULATUS LUTEUS 	null 	null
> PEROMYSCUS MANICULATUS LUTEUS 	null 	null
> PEROMYSCUS MANICULATUS LUTEUS 	null 	null
> PEROMYSCUS MANICULATUS LUTEUS 	null 	null
> PEROMYSCUS MANICULATUS LUTEUS 	null 	null
> PEROMYSCUS LEUCOPUS NOVEBORACENSIS 	null 	null
> PEROMYSCUS CALIFORNICUS PARASITICUS 	null 	null
> PEROMYSCUS CALIFORNICUS PARASITICUS 	null 	null
> PEROMYSCUS CALIFORNICUS PARASITICUS 	null 	null
> 
> 
> It is my intention to have a more WYSIWYG way of entering a query. But 
> for now this works.
> 
> When you click on "Submit" for the query, it looks the resource name up 
> in the registry and then makes a call to that resource with the query. I 
> am not why sure Metacat doesn't work, maybe the service wasn't working 
> when I tried it out (but it should because this is all generic)
> 
> Intersting points:
> 
>    1. The registry currently sits on top of a flat file database, we can
>       put it on top of anything we want later.
>    2. The JSP pages use a Java Bean to make the actual calls to Globus
>    3. I initially got this all working using generic SOAP calls because
>       Globus has been so unpredicatable in terms of getting things to
>       work. My previous version (before checking in) used a factory to
>       create a SOAP Bean or a Globus bean and could access the
>       functionality through either via a generic interface.
>    4. I wrote all the SOAP code and got it working in less than 2 days.
>       Writing a Globus service from scratch and getting it working
>       (without security) has taken over a week and a half to two weeks.
>    5. Globus is the worst documented piece of software I have used in my
>       entire career, it is also the most fragile, and hardest to
>       configure. But then everyone knows how I feel about Globus ;-) .
>    6. I am a step away from having the Registry engine distrubute itself
>       to other Registry "Nodes" (I actually had that working using SOAP,
>       but I have it disabled at the moment)
> 
> Give it a try and let me know,
> Rod
> 
> 

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