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From "Chen Guoping (Jira)" <j...@apache.org>
Subject [jira] [Commented] (COLLECTIONS-591) Copy on write list
Date Tue, 05 Nov 2019 12:34:00 GMT

    [ https://issues.apache.org/jira/browse/COLLECTIONS-591?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16967482#comment-16967482
] 

Chen Guoping commented on COLLECTIONS-591:
------------------------------------------

Hi  Radosław Smogura. I opened a pull request,please check, thank you.

[https://github.com/apache/commons-collections/pull/109]

> Copy on write list
> ------------------
>
>                 Key: COLLECTIONS-591
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-591
>             Project: Commons Collections
>          Issue Type: New Feature
>          Components: List
>            Reporter: Radosław Smogura
>            Priority: Minor
>         Attachments: copy-on-write-list-v1.diff
>
>          Time Spent: 10m
>  Remaining Estimate: 0h
>
> Hi all,
> In one of my projects I wanted to use copy on write list. I slightly improved this implementation
and thought it would be nice to add it to commons collections, as I couldn't find something
like this.
> Implementation details:
> - the original list is wrapped with CopyOnWriteList,
> - on modifications the original list is copied and copy is used instead,
> - for iterators before modification, the cursor index is used and then new iterator is
set on on required position (this can't be done for abstract collections)
> I hope there is no flaw in my designs,
> Best regards, 
> Radek Smogura



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