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https://issues.apache.org/jira/browse/HDDS-2510?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aravindan Vijayan updated HDDS-2510:
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Summary: Use isEmpty() to check whether the collection is empty or not in
Ozone Manager module (was: Sonar : Use isEmpty() to check whether the
collection is empty or not in Ozone Manager module)
> Use isEmpty() to check whether the collection is empty or not in Ozone
> Manager module
> -------------------------------------------------------------------------------------
>
> Key: HDDS-2510
> URL: https://issues.apache.org/jira/browse/HDDS-2510
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Manager
> Reporter: Aravindan Vijayan
> Assignee: Aravindan Vijayan
> Priority: Major
> Labels: sonar
>
> Ozone Manager has a number of instances where the following sonar rule is
> flagged.
> bq. Using Collection.size() to test for emptiness works, but using
> Collection.isEmpty() makes the code more readable and can be more performant.
> The time complexity of any isEmpty() method implementation should be O(1)
> whereas some implementations of size() can be O(n).
> An example of a flagged instance -
> https://sonarcloud.io/issues?myIssues=true&open=AW5md-W4KcVY8lQ4Zrv_&resolved=false
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