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From "Suresh Marru (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AIRAVATA-568) Method to set messaging topic from airavata client
Date Wed, 12 Sep 2012 14:57:07 GMT

    [ https://issues.apache.org/jira/browse/AIRAVATA-568?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13454048#comment-13454048
] 

Suresh Marru commented on AIRAVATA-568:
---------------------------------------

The experiment id unique is only requirement for a registry. Keeping topic id unique is a
firm requirement for orchestration system. Since the API and data system integration evolved
in a way (which has been well discussed) the API is a unified entry into the system and external
data systems will be integrated through provenance abstractions, it makes perfect sense to
assume experiment id and topic id are handled identically. As for the use case, lets try to
understand it like this, when we subit to a batch system on a cluster, we cannot expect to
send the job id and expect the PBS server to honor it. Its the job of the client to maintain
the correlation and its perfectly reasonable to assume that.

As for the use case, if it is with data systems like XMCCat, it was discussed at lengths previously
and its agreed upon by every one thats its a bad idea to assume a data system unique id be
expected by a workflow system to grant uniqueness. Workflow is only an instantiation and data
is persistant. Lets not confuse with Airavata internal experiment id vs topic id. For external
system integration like ODI, Airavata is a enactment system and the server issues a unique
id for that instantiation. I still say the server accepting a unique id from client is a bad
design choice irrespective of the state of API.
                
> Method to set messaging topic from airavata client
> --------------------------------------------------
>
>                 Key: AIRAVATA-568
>                 URL: https://issues.apache.org/jira/browse/AIRAVATA-568
>             Project: Airavata
>          Issue Type: Improvement
>            Reporter: Raminderjeet Singh
>
> These need to a method to set messaging topic from airavata API for advanced clients
to sent the information

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