[jira] [Commented] (OFBIZ-5210) view-entity cannot be extended

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

    [ https://issues.apache.org/jira/browse/OFBIZ-5210?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14043702#comment-14043702 ] 

Adam Heath commented on OFBIZ-5210:
-----------------------------------

Extending views just to add relations should be rather trivial to support.  Changing a view by adding additional members, aliases, links, and conditions, would change the meaning of the view quite radically.

Nowadays, it should be possible to reference one view from another.  Ie, a view could have, as a member, another view.  This can be done to almost infinite depth.  I updated the entityengine quite a bit ago to do the correct thing with conditions on view-links(they stay on the link as you nest), and conditions on view members(they become part of the outer view-link, not attached to the outer where).  I also added support for changing overly long field names, to an effectively random string(I convert the systemHashCode() to a string, basically).

So, if you need to have another view that just enhances one that already exists, just create a new one, with a single member, and add whatever conditions you need.

> view-entity cannot be extended
> ------------------------------
>
>                 Key: OFBIZ-5210
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-5210
>             Project: OFBiz
>          Issue Type: Bug
>          Components: framework
>    Affects Versions: Release Branch 12.04
>         Environment: Windows / Linux
>            Reporter: Skip Dever
>            Assignee: Adam Heath
>            Priority: Minor
>             Fix For: Release Branch 12.04
>
>
> For example, add the following to the bottom of entitymodel_view.xml in applications\workeffort\entitydef
>     <extend-entity entity-name="WorkEffortAndPartyAssign">
>         <relation type="one-nofk" title="Current"  rel-entity-name="StatusItem">
>             <key-map field-name="currentStatusId" rel-field-name="statusId"/>
>         </relation>
>         <relation type="one-nofk" rel-entity-name="WorkEffortType">
>             <key-map field-name="workEffortTypeId"/>
>         </relation>
>         <relation type="one-nofk" rel-entity-name="WorkEffortPurposeType">
>             <key-map field-name="workEffortPurposeTypeId"/>
>         </relation>
>     </extend-entity>
> Then, start Ofbiz and you will get an error in the log that WorkEffortAndPartyAssign does not exist.



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