[seek-dev] Re: java:RPC or handler?

[Bing Zhu]

That's exactly my point. Since we don't take any advantage of grid service
and
move to wsdl direction, it might be wise to stay with PURE wsdl
implementation.

Bing




-----Original Message-----
From: seek-dev-admin at ecoinformatics.org
[mailto:seek-dev-admin at ecoinformatics.org]On Behalf Of Jing Tao
Sent: Friday, August 06, 2004 9:56 AM
To: Bing Zhu
Cc: Matt Jones; Rod Spears; Arcot Rajasekar; Bertram Ludaescher; Seek-Dev
Subject: [seek-dev] Re: java:RPC or handler?


Hi, Bing:

I think we talked about the this issue before. The reseaon we don't use
java:RPC style is this approach will only generate a web serive rather
than a grid servcie. Comparing to web service, grid service is stateful
and has service data. (The more adavantadge of grid service you may find in
http://www.casa-sotomayor.net/gt3-tutorial/singlehtml/progtutorial_0.4.html#
start_key_gridservice)

However, currently we don't use any features of grid service in our
ecogrid. So the style is not a big deal. If we use "handler" probably
benefit we will use some features of grid service in future.

Thanks.

Jing

On Thu, 5 Aug
2004, Bing Zhu wrote:

> Date: Thu, 5 Aug 2004 17:42:57 -0700
> From: Bing Zhu <bzhu at sdsc.edu>
> To: Matt Jones <jones at nceas.ucsb.edu>, Jing Tao <tao at nceas.ucsb.edu>,
>      Rod Spears <rods at ku.edu>
> Cc: Arcot Rajasekar <sekar at sdsc.edu>, Bertram Ludaescher
<ludaesch at sdsc.edu>,
>      Seek-Dev <seek-dev at ecoinformatics.org>
> Subject: java:RPC or handler?
>
> Matt, Jing and Rod,
>
> I found that using "java:RPC" as provider in 'wsdd' file can eliminate
> the problem caused by subclassing GridServiceImpl or
> PersistentGridServiceImpl.
> Both of them work fine under "java:RPC".
>
> Using "java:RPC" has another benefit is that users see real wsdl file
> (generated
> from a gwsdl file) when clicking the wsdl link in the service list in a
> remote
> machine. On the other hand, users just see xxxxx_service.wsdl file if
using
> the 'handler' as provider. please check out the following two links to
give
> you some idea.
>
> Use "java:RPC":
>
http://sasa.sdsc.edu:8080/ogsa/services/org/ecoinformatics/ecogrid/EcoGridLe
> velOnePutService?wsdl
>
> use "handler":
>
http://sasa.sdsc.edu:8080/ogsa/services/org/ecoinformatics/ecogrid/EcoGridQu
> eryInterfaceLevelOneService?wsdl
>
> So I strongly suggest to use "java:RPC" for the provider since we decided
to
> move to
> wsdl direction as much as possible.
>
> Bing
>

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

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