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https://issues.apache.org/jira/browse/OFBIZ-5440?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13878664#comment-13878664
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Pierre Smits commented on OFBIZ-5440:
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Christian,
First, this might help keeping coherence and/or focus:
You may not be aware of this, but you can link to other issues through the
'More' button at the top and its option 'link'. Also, please set the
component(s) the issue is pertaining to.
But more importantly, the subject at hand.
Initially you set out to fix something in OrderMrg by modifying BoM
functionality. As you have concluded in OFBIZ-5420 regarding the association,
the same conclusion might apply here.
However, in Manufacturing in the BoM functionality you can select a virtual
product as a component. While not intended, it is valid. As following example
will illustrate:
Supose you need in your end product (a cake) the consumption of sugar (virtual
product), and sugar come in packages of 5 grams and 25 grams. In your inventory
you have a) 1 unopened box Sugar - 5 grams, 1 unopened box of sugar - 25 grams
and 1 gram of sugar (as a remainder of an earlier opened box).
In your BoM you have stated that 3 grams of sugar (the virtual product) are
required.
When executing a production run of 9 cakes you would need 27 grams of sugar.
But a virtual product does not hold inventory, thus you can not issue to
production and subsequently no correct cost calculation, no correct inventory
valuation change (on the sugar) will be performed and your profit-loss and
balance reporting will be skewed.
In this scenario a means to issue variants to the production process (from
inventory) is warranted and required. And as such this issue is valid.
> Improve BOM functionality to handle virtual BOM item variant selection
> ----------------------------------------------------------------------
>
> Key: OFBIZ-5440
> URL: https://issues.apache.org/jira/browse/OFBIZ-5440
> Project: OFBiz
> Issue Type: Improvement
> Affects Versions: SVN trunk
> Reporter: Christian Carlow
>
> The BOM functionality should be improved to handle virtual product
> variant/feature selections. Such functionality would allow for something
> such as GZ-OUTER-BASKET of selected features to contain 3 GZ-INNER-BASKETs of
> different selected features
> I think the BOMNode class should contain a List<BOMNode>variantNodes member
> to be used for virtual nodes in the loadChildren function. When virtual
> variants exist, the virtual node childrenNodes can be unset since the nodes
> will be contained in the variantNodes instead.
> I disovered the need for such functionality while trying to implement
> OFBIZ-5420 and OFBIZ-5437.
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