[jira] Commented: (CAY-871) DataDomain instantiates with null EventManager

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    [ https://issues.apache.org/cayenne/browse/CAY-871?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13118#action_13118 ]

payne commented on CAY-871:
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> DataDomain instantiates with null EventManager
> ----------------------------------------------
>
> Key: CAY-871
> URL: https://issues.apache.org/cayenne/browse/CAY-871
> Project: Cayenne
> Issue Type: Bug
> Components: Cayenne Core Library
> Affects Versions: 2.0 [STABLE]
> Environment: MacOSX 10.4, Java5, Cayenne 2.0.2
> Reporter: Emilian Bold
> Assignee: Andrus Adamchik
>
> DataDomain instantiates with an empty event manager which later leads to a NPE in DataRowStore.sendUpdateNotification.
> This makes the bug look as if it's a serialization issue (see https://issues.apache.org/cayenne/browse/CAY-796) but actually all DataDomain expects is something like:
> dataDomain.setEventManager(EventManager.getDefaultManager());
> This seems quite confusing for an API client as, unless you actually listen for events, you don't care about the EventManager and expect it to be set beforehand.
> Initializing DataDomain with the default manager which may be replaced at will via setEventManager seems like a better approach.

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