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From "TisonKun (Jira)" <j...@apache.org>
Subject [jira] [Updated] (ZOOKEEPER-3523) Replace dummy watcher with a unified singleton
Date Tue, 27 Aug 2019 16:50:00 GMT

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

TisonKun updated ZOOKEEPER-3523:
--------------------------------
    Description: Currently we have many anonymous subclasses of {{Watch}} all of which is
just event -> { }. We can reduce many subclasses in inherit tree by add a {{DUMMY_WATCHER}}
in {{Watcher}} interface and replace all of those usages.  (was: Currently we have many anonymous
subclasses of {{Watch}} all of which is just {{event -> \{ }}}. We can reduce many subclasses
in inherit tree by add a {{DUMMY_WATCHER}} in {{Watcher}} interface and replace all of those
usages.)

> 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
>             Fix For: 3.6.0
>
>
> Currently we have many anonymous subclasses of {{Watch}} all of which is just 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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