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https://issues.apache.org/jira/browse/CAY-1839?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14166831#comment-14166831
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Andrus Adamchik commented on CAY-1839:
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Applied Savva's patch. Works great. Two more things that I noticed that may
not be directly related, but we should probably fix them here:
1. When I remove DataMaps linked to a DataNode, sometimes the DataMap itself is
preserved and only the link is removed (correct), but sometimes the DataMap
itself is removed. It's been kind of unpredictable as to what operation would
happen. It happened more often with multiple DataMap selection, and less often
with only one DM selection. This behavior predates the patch.
2. Say I have a new project with one DataNode and nothing else. I start adding
DataMaps. The first one added is also linked to DataNode, but second, third,
etc. are not. This is a small inconsistency that also predates this patch. The
rule should be the following: if a project has only one DN, any newly added DM
should be linked to it.
3. Related to 2 - if I have 2 DNs the first created map is linked to one of
them. This should not happen. If we have 2 DNs we have no way of knowing which
one to link to
> Modeler: Improving linking of DataMaps to DataNodes
> ---------------------------------------------------
>
> Key: CAY-1839
> URL: https://issues.apache.org/jira/browse/CAY-1839
> Project: Cayenne
> Issue Type: Improvement
> Components: Modeler
> Affects Versions: 3.2.M1
> Environment: Linux
> Reporter: ArtyomN
> Attachments: 1839.txt, CAY-1839, DnD.ogv, after1.png, after2.png,
> after3.png, after4.png, after5.png, after6.png, after7.png, before.png,
> newPatch.txt
>
> Original Estimate: 72h
> Remaining Estimate: 72h
>
> We need to simplify linking of DataMaps to DataNodes. Per this Jira we would
> support drag and drop of DataMaps to the target nodes and also a contextual
> menu on DataNode allowing to link all unlinked DMs to it
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