[jira] Assigned: (ZETACOMP-18) Multi-Level Undo for suspended workflows

["Sebastian Bergmann (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/ZETACOMP-18?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Sebastian Bergmann reassigned ZETACOMP-18:
------------------------------------------

    Assignee: Sebastian Bergmann

> Multi-Level Undo for suspended workflows
> ----------------------------------------
>
>                 Key: ZETACOMP-18
>                 URL: https://issues.apache.org/jira/browse/ZETACOMP-18
>             Project: Zeta Components
>          Issue Type: New Feature
>          Components: WorkflowDatabaseTiein
>            Reporter: Sebastian Bergmann
>            Assignee: Sebastian Bergmann
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> At the moment, ezcWorkflowDatabaseExecution::doSuspend() cleans up the previously suspended state in the database before persisting. This will be changed to not cleaning up the state until a workflow execution ends completely. Instead ezcWorkflowDatabaseExecution::doSuspend() will just create a new snapshot of the workflow execution in the database.
> The existing resume() method will resume a suspended workflow execution from its newest snapshot. The resumeAt() method that is to be implemented will allow a suspended workflow execution to be resumed from a previous snapshot (thus cleaning up subsequent snapshots in the process).

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