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https://issues.apache.org/jira/browse/CURATOR-470?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16504721#comment-16504721
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Jordan Zimmerman commented on CURATOR-470:
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You need to know what instances have changed? The {{ServiceCacheListener}}
interface would need to change or we'd have to add a new type of listener for
that. Please provide a PR with the new functionality so that we can review it.
> Newly added/Removed ServiceInstance should be passed to
> ServiceCacheListener#cacheChanged method
> -------------------------------------------------------------------------------------------------
>
> Key: CURATOR-470
> URL: https://issues.apache.org/jira/browse/CURATOR-470
> Project: Apache Curator
> Issue Type: Improvement
> Components: General, Recipes
> Affects Versions: 4.0.1
> Reporter: Jerry Chin
> Priority: Major
>
> Hey fellows,
> We're using _service discovery_ extension to refactor our raw zookeeper based
> service monitor.
> Every time a service instance exits or joins, the monitor must be notified
> and push a notification to us, the only thing I found in _service discovery_
> package meets the requirement is {{ServiceCacheListener}} interface, but when
> the interface is fired, there's no way we could know which service has
> changed.
> Please help !
> Thank in advance.
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