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From Manula Chathurika Thantriwatte <manu...@wso2.com>
Subject Re: [Discuss] Validating Life Cycle Transitions for Topology Elements
Date Fri, 17 Oct 2014 07:41:08 GMT
Hi Isuru,

IMO is we need to verify the life cycle in between Activated and Terminated
modes. We not need to verify the created and started, because without
started members want come to activated state.

Thanks !

On Fri, Oct 17, 2014 at 12:46 PM, Isuru Haththotuwa <isuruh@apache.org>
wrote:

> Hi Devs,
>
> The purpose of this thread is to discuss $subject.
>
> Currently, even though the topology elements (Members, Clusters, etc) go
> through a life cycle, we do not validate the transitions. For an example, a
> Member can have the following life cycle:
>
> [image: Inline image 1]
>
> IMHO its important to keep track of the transitions and see if the change
> of state is valid as well.
> Ex. A member can't go from Created state to Activated state without
> passing through the Started state. If there is such a thing, it might mean
> that the member is in an inconsistent state. Therefore, we need to validate
> this transitions.
>
> Thoughts?
>
>
> --
> Thanks and Regards,
>
> Isuru H.
> +94 716 358 048* <http://wso2.com/>*
>
>
>


-- 
Regards,
Manula Chathurika Thantriwatte
Software Engineer
WSO2 Inc. : http://wso2.com
lean . enterprise . middleware

email : manulac@wso2.com / manula@apache.org
phone : +94 772492511
blog : http://manulachathurika.blogspot.com/

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