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Posted to issues@ignite.apache.org by "Vladimir Ozerov (JIRA)" <ji...@apache.org> on 2015/12/29 09:19:49 UTC

[jira] [Closed] (IGNITE-2288) F.first(Collection) should use index-based lookup for Lists.

     [ https://issues.apache.org/jira/browse/IGNITE-2288?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Vladimir Ozerov closed IGNITE-2288.
-----------------------------------

> F.first(Collection) should use index-based lookup for Lists.
> ------------------------------------------------------------
>
>                 Key: IGNITE-2288
>                 URL: https://issues.apache.org/jira/browse/IGNITE-2288
>             Project: Ignite
>          Issue Type: Sub-task
>          Components: general
>    Affects Versions: ignite-1.4
>            Reporter: Vladimir Ozerov
>            Assignee: Vladimir Ozerov
>             Fix For: 1.6
>
>
> There are lots of places in code where F.first(Collection) is used. Quite often passed collection is a List. 
> Instead of gettting iterator, we should do "get(0)" in these cases. This will allow us to prevent iterator creation.



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