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From "ASF GitHub Bot (Jira)" <j...@apache.org>
Subject [jira] [Updated] (ZOOKEEPER-3523) Replace dummy watcher with a unified singleton
Date Thu, 29 Aug 2019 12:21:00 GMT

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-3523?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

ASF GitHub Bot updated ZOOKEEPER-3523:
--------------------------------------
    Labels: pull-request-available  (was: )

> Replace dummy watcher with a unified singleton
> ----------------------------------------------
>
>                 Key: ZOOKEEPER-3523
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-3523
>             Project: ZooKeeper
>          Issue Type: Improvement
>          Components: server, tests
>    Affects Versions: 3.6.0
>            Reporter: TisonKun
>            Assignee: TisonKun
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.6.0
>
>
> Currently we have many anonymous subclasses of {{Watch}} all of which is justĀ event
-> { }. We can reduce many subclasses in inherit tree by add a {{DUMMY_WATCHER}} in {{Watcher}}
interface and replace all of those usages.



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