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https://issues.apache.org/cayenne/browse/CAY-879?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vasil Tarasevich updated CAY-879:
---------------------------------
Attachment: CAY-879_4.patch
Added support for "exclude-superclass-listeners" and
"exclude-default-listeners" attributes
> Storing lifecycle listebers and callbacks in the *.map.xml and loading them
> back
> --------------------------------------------------------------------------------
>
> Key: CAY-879
> URL: https://issues.apache.org/cayenne/browse/CAY-879
> Project: Cayenne
> Issue Type: Task
> Components: Cayenne Core Library
> Affects Versions: 3.0
> Reporter: Andrus Adamchik
> Assignee: Andrus Adamchik
> Fix For: 3.0
>
> Attachments: CAY-879_3.patch, CAY-879_4.patch
>
>
> DataMap and ObjEntity classes support mapping lifecycle callbacks, however
> there is no support for loading them from XML and storing them back to XML.
> Here is what needs to be done to achieve that:
> 1. XML Format Additions (applicable for DataMap XML files - *.map.xml)
> * new "entity-listener" tag as a child of "obj-entity", describing callbacks
> on listener classes separate from the entity class. The tag itself is
> compatible with JPA spec. Here is an example:
> <obj-entity ...>
> ...
> <entity-listener class="mylistenerclass">
> <pre-persist method-name="abc"/>
> <post-update method-name="xyz"/>
> </entity-listener>
> </obj-entity>
> * new callback tags - children of "obj-entity", describing callbacks on the
> entity class itself. The tags are compatible with JPA spec. Here is an
> example:
> <obj-entity ...>
> ...
> <pre-persist method-name="abc"/>
> <post-update method-name="xyz"/>
> </obj-entity>
> * new "obj-entity" tag attributes: "exclude-superclass-listeners",
> "exclude-default-listeners".
> * new "entity-listener" tag as a child of "data-map", describing default
> callbacks on all entities. Format is the same as for the "obj-entity":
> <data-map ...>
> ...
> <entity-listener class="mylistenerclass">
> <pre-persist method-name="abc"/>
> <post-update method-name="xyz"/>
> </entity-listener>
> </data-map>
> * Implement listener saving in DataMap.encodeAsXML(..)
> * Implement listener and callback saving in ObjEntity.encodeAsXML
> * Implement listener and callback loading in MapLoader.
> * Write unit tests
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