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Posted to dev@zookeeper.apache.org by "Hitoshi Mitake (JIRA)" <ji...@apache.org> on 2015/05/21 08:39:01 UTC

[jira] [Updated] (ZOOKEEPER-2194) Let DataNode.getChildren() return an unmodifiable view of its children set

     [ https://issues.apache.org/jira/browse/ZOOKEEPER-2194?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Hitoshi Mitake updated ZOOKEEPER-2194:
--------------------------------------
    Attachment: ZOOKEEPER-2194.patch

> Let DataNode.getChildren() return an unmodifiable view of its children set
> --------------------------------------------------------------------------
>
>                 Key: ZOOKEEPER-2194
>                 URL: https://issues.apache.org/jira/browse/ZOOKEEPER-2194
>             Project: ZooKeeper
>          Issue Type: Improvement
>            Reporter: Hitoshi Mitake
>            Priority: Trivial
>         Attachments: ZOOKEEPER-2194.patch
>
>
> Current DataNode.getChildren() directly returns a pointer of its private member,  children. However, the member should be modified through addChild() and removeChild(). Callers of getChildren() shouldn't modify it directly.
> For preventing the direct modification by the callers, this patch lets getChildren() return an unmodifiable view of its children set. If the callers try to modify directly, runtime exception will be risen.



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