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From "Chris A. Mattmann (JIRA)" <j...@apache.org>
Subject [jira] Updated: (OODT-70) Add ability for sequential and parallel task specifications for Workflows
Date Tue, 07 Dec 2010 07:07:11 GMT

     [ https://issues.apache.org/jira/browse/OODT-70?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Chris A. Mattmann updated OODT-70:
----------------------------------

    Attachment: workflow.policy.mockup.xml

- see attached mockup. This mockup includes *both* workflow and task information and condition
information in the same file. I'd like to split them out into separate files as part of this
work since it will ease the adoption of folks who are using the existing workflow system.

> Add ability for sequential and parallel task specifications for Workflows
> -------------------------------------------------------------------------
>
>                 Key: OODT-70
>                 URL: https://issues.apache.org/jira/browse/OODT-70
>             Project: OODT
>          Issue Type: Improvement
>          Components: workflow manager
>         Environment: indep. of env.
>            Reporter: Chris A. Mattmann
>            Assignee: Chris A. Mattmann
>             Fix For: 0.2
>
>         Attachments: workflow.policy.mockup.xml
>
>
> There has been a lot of internal JPL work on flushing out new ideas with the workflow
manager. One of those new ideas is to explicitly support differentiating between different
types of {code}org.apache.oodt.cas.workflow.WorkflowTask{code} entities, classifying them
as *sequential* (their current form) versus *parallel* (those that deal explcitly with branch
and bound). Even though the current workflow system can support these activities, they are
largely code-based and require modification and intrinsic knowledge of the Workflow event
system.
> It would be nice to simplify this for the users and allow task.xml, conditions.xml and
*.workflow.xml files (or explicit WorkflowRepos) to support this nomenclature. 
> I'll attach a proposed spec of what the updated XML files would look like using this
paradigm. Then my goal is to take the existing workflow system and augment it with this functionality.

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