[jira] Commented: (OFBIZ-3848) Add support for derived UOM conversion factors

["Adam Heath (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OFBIZ-3848?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12885425#action_12885425 ] 

Adam Heath commented on OFBIZ-3848:
-----------------------------------

brainstorming...

When a direct conversion A-B is not found, the following pseudo code would function

1: Note a visit to A
2: Find all A->Foo
3: Note a visit to all Foo
4: Find all Foo->Bar, except for those nodes that have already been visited
5: If Bar == B, note cached result, break
6: swap Foo, Bar
7: goto 3

For each new registered conversion, clear the cache.

This would work for UomConversions, and for the conversion framework.


> Add support for derived UOM conversion factors
> ----------------------------------------------
>
>                 Key: OFBIZ-3848
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-3848
>             Project: OFBiz
>          Issue Type: Improvement
>          Components: framework
>            Reporter: Scott Gray
>            Assignee: Scott Gray
>            Priority: Minor
>
> Say we have 3 UOMs A, B and C, and we have UomConversion records for:
> A -> B
> B -> C
> currently the convertUom service in unable to directly convert from A -> C
> I propose we add support for automatically deriving conversion factors by walking the available conversion paths until an appropriate path is found.
> Comments are welcome, this is mainly just a TODO reminder for myself though.

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