Brian Foster created OODT-484:
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Summary: Enhance Workflow Lifecycle to include state change logic
Key: OODT-484
URL: https://issues.apache.org/jira/browse/OODT-484
Project: OODT
Issue Type: Sub-task
Components: workflow manager
Affects Versions: 0.4
Environment: none
Reporter: Brian Foster
Assignee: Brian Foster
Priority: Minor
Fix For: 0.5
Let's split up the lifecycle XML file into several files (kind have it look
like filemgr element and product-type XML files):
1) Define States XML file
2) Define Stages XML file
3) Mapping of States to Stages XML file
4) Mapping of States to next valid States
I then propose we add a Priority to each Stage (its purpose will become
apparent)... Then we create a new Interface: StatePreCondition... These
preconditions would then be attached to a State... Then when the Workflow
Processor detects a State change it would poll each next valid State
(determined by mapping in purposed XML file #4) for their PreConditions and if
any of the State's PreConditions pass then that State would become the next
State of that Workflow Processor (if multiple States pass as next State, then
the priority attached to the Stage each State belongs to is used to determine
which State becomes next State)
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