Questions about wsrf example

[SARA1232007]

Hi,

In wsrf example, it seems that WSResource instances are assembled into ServiceGroup automatically. Can anyone tell me how this is done and which java class is reponsible for this?

Thanks.

SARA

[Chris Twiner]

Hiya,

http://ws.apache.org/muse/docs/2.2.0/manual/how-to/wsrf-add-service-groups.html

and in combination with advertisements:

http://www.ibm.com/developerworks/library/ac-museadv/index.html

cheers,
Chris

On Thu, Mar 12, 2009 at 9:07 AM, SARA1232007 <cyl_axis@...> wrote:

>
> Hi,
>
> In wsrf example, it seems that WSResource instances are assembled into
> ServiceGroup automatically. Can anyone tell me how this is done and which
> java class is reponsible for this?
>
> Thanks.
>
> SARA
> --
> View this message in context: http://www.nabble.com/Questions-about-wsrf-example-tp22471234p22471234.html
> Sent from the Muse - Dev mailing list archive at Nabble.com.
>
>
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[Andrea Gazzarini-2]

If I remember well, in the mentioned example, there's a thread that periodically is creating a resource member. The service group will qualify that resource as a group member.  

There's no a direct / explicit link between the resource and the group...the membership rules are defined at RMD level.
For example, the following is an extract of my service group resource RMD :

        <Property name="wsrf-sg:MembershipContentRule" modifiability="read-only" mutability="mutable">
            <StaticValues>
                <wsrf-sg:MembershipContentRule MemberInterface="qman:QManWsResourcePortType"/>
            </StaticValues>
        </Property>

That property states that all resources that will be created will be part of this service group only if they have the mentioned interface (port type).
Obviously there are a lot of things that you can use in order to specify membership rules... you can find a better explanation about that here:

http://docs.oasis-open.org/wsrf/2004/06/wsrf-WS-ServiceGroup-1.2-draft-02.pdf

Note that I'm not part of Muse developemnt team so what I'm writing is what I understood browsing / using the module.

As I see this is what happens

1) a resource is created using

Resource resource = resourceManager.createResource(<resource name>);
...
...
...
resourceManager.addResource(resource.getEndpointReference(), resource);

2) ResourceManager informs all resource manager listeners about this event using ResourceManagerListener.resourceAdded
3) One of the register listeners is the SimpleServiceGroup that is doing what I described above...

Hope it helps...

Andrea

2009/3/12 SARA1232007 <cyl_axis@...>

Hi,

In wsrf example, it seems that WSResource instances are assembled into
ServiceGroup automatically. Can anyone tell me how this is done and which
java class is reponsible for this?

Thanks.

SARA
--
View this message in context: http://www.nabble.com/Questions-about-wsrf-example-tp22471234p22471234.html
Sent from the Muse - Dev mailing list archive at Nabble.com.


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[Andrea Gazzarini-2]

Sorry, Chris answer is obviously more precise...I didn't see that because I'm writing... :)

Regards,
Andrea

2009/3/12 Andrea Gazzarini <a.gazzarini@...>

If I remember well, in the mentioned example, there's a thread that periodically is creating a resource member. The service group will qualify that resource as a group member.  

There's no a direct / explicit link between the resource and the group...the membership rules are defined at RMD level.
For example, the following is an extract of my service group resource RMD :

        <Property name="wsrf-sg:MembershipContentRule" modifiability="read-only" mutability="mutable">
            <StaticValues>
                <wsrf-sg:MembershipContentRule MemberInterface="qman:QManWsResourcePortType"/>
            </StaticValues>
        </Property>

That property states that all resources that will be created will be part of this service group only if they have the mentioned interface (port type).
Obviously there are a lot of things that you can use in order to specify membership rules... you can find a better explanation about that here:

http://docs.oasis-open.org/wsrf/2004/06/wsrf-WS-ServiceGroup-1.2-draft-02.pdf

Note that I'm not part of Muse developemnt team so what I'm writing is what I understood browsing / using the module.

As I see this is what happens

1) a resource is created using

Resource resource = resourceManager.createResource(<resource name>);
...
...
...
resourceManager.addResource(resource.getEndpointReference(), resource);

2) ResourceManager informs all resource manager listeners about this event using ResourceManagerListener.resourceAdded
3) One of the register listeners is the SimpleServiceGroup that is doing what I described above...

Hope it helps...

Andrea

2009/3/12 SARA1232007 <cyl_axis@...>

Hi,

In wsrf example, it seems that WSResource instances are assembled into
ServiceGroup automatically. Can anyone tell me how this is done and which
java class is reponsible for this?

Thanks.

SARA
--
View this message in context: http://www.nabble.com/Questions-about-wsrf-example-tp22471234p22471234.html
Sent from the Muse - Dev mailing list archive at Nabble.com.


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