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https://issues.apache.org/jira/browse/HADOOP-13641?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kai Zheng updated HADOOP-13641:
-------------------------------
    Assignee: Huafeng Wang

> Update UGI#spawnAutoRenewalThreadForUserCreds to reduce indentation
> -------------------------------------------------------------------
>
>                 Key: HADOOP-13641
>                 URL: https://issues.apache.org/jira/browse/HADOOP-13641
>             Project: Hadoop Common
>          Issue Type: Improvement
>            Reporter: Xiao Chen
>            Assignee: Huafeng Wang
>            Priority: Minor
>              Labels: newbie
>
> From [~drankye]'s comment in HADOOP-13590:
> Could we return earlier at the beginning so we can avoid at least 2 level of 
> indents and make the whole block more readable?
> {code}
>   /**Spawn a thread to do periodic renewals of kerberos credentials*/
>   private void spawnAutoRenewalThreadForUserCreds() {
>     if (isSecurityEnabled()) {
>       //spawn thread only if we have kerb credentials
>       if (user.getAuthenticationMethod() == AuthenticationMethod.KERBEROS &&
>           !isKeytab) {
> ...
> ...
>                              very deep nested ...
> ...
> {code}



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