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https://issues.apache.org/jira/browse/OAK-1131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13809179#comment-13809179
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Jukka Zitting commented on OAK-1131:
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I'd preferably use a constructor argument for this (as then the observer field
can be final), or alternatively the {{setObserver()}} setter. The {{Observer}}
interface is designed to be composable, so that a NodeStore implementation only
needs to worry about a single observer.
> Provide a way to inject Observer instances into NodeStore implementations
> --------------------------------------------------------------------------
>
> Key: OAK-1131
> URL: https://issues.apache.org/jira/browse/OAK-1131
> Project: Jackrabbit Oak
> Issue Type: Improvement
> Components: core
> Reporter: Michael Dürig
>
> Currently {{KernelNodeStore}} has a public {{setObserver()}} method,
> {{SegmentNodeStore}} has its {{Observer}} hard coded to the empty observer
> and no way to set it and {{MongoNodeStore}} has no {{Observer}} at all.
> To make the observer mechanism useful for clients we should come up with a
> way to inject {{Observer}} instances into a {{NodeStore}}.
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