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Posted to hdfs-issues@hadoop.apache.org by "ZanderXu (Jira)" <ji...@apache.org> on 2022/07/27 08:38:00 UTC

[jira] [Updated] (HDFS-16695) Improve Code with Lambda in hadoop-hdfs module

     [ https://issues.apache.org/jira/browse/HDFS-16695?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

ZanderXu updated HDFS-16695:
----------------------------
    Summary: Improve Code with Lambda in hadoop-hdfs module  (was: Improve Code With Lambda in hadoop-hdfs module)

> Improve Code with Lambda in hadoop-hdfs module
> ----------------------------------------------
>
>                 Key: HDFS-16695
>                 URL: https://issues.apache.org/jira/browse/HDFS-16695
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>            Reporter: ZanderXu
>            Assignee: ZanderXu
>            Priority: Minor
>
> Improve Code with Lambda in hadoop-hdfs module. 
> For example:
> Current logic:
> {code:java}
> public ListenableFuture<GetJournaledEditsResponseProto> getJournaledEdits(
>       long fromTxnId, int maxTransactions) {
>     return parallelExecutor.submit(
>         new Callable<GetJournaledEditsResponseProto>() {
>           @Override
>           public GetJournaledEditsResponseProto call() throws IOException {
>             return getProxy().getJournaledEdits(journalId, nameServiceId,
>                 fromTxnId, maxTransactions);
>           }
>         });
>   }
> {code}
> Improved Code with Lambda:
> {code:java}
> public ListenableFuture<GetJournaledEditsResponseProto> getJournaledEdits(
>       long fromTxnId, int maxTransactions) {
>     return parallelExecutor.submit(() -> getProxy().getJournaledEdits(
>         journalId, nameServiceId, fromTxnId, maxTransactions));
>   }
> {code}



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