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From "Thomas Neidhart (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (COLLECTIONS-347) Proposal for adding a LimitedSizeFifoMap decorator
Date Mon, 13 May 2013 22:49:15 GMT

     [ https://issues.apache.org/jira/browse/COLLECTIONS-347?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Thomas Neidhart updated COLLECTIONS-347:
----------------------------------------

    Summary: Proposal for adding a LimitedSizeFifoMap decorator  (was: [contribution] LimitedSizeFifoMap)
    
> Proposal for adding a LimitedSizeFifoMap decorator
> --------------------------------------------------
>
>                 Key: COLLECTIONS-347
>                 URL: https://issues.apache.org/jira/browse/COLLECTIONS-347
>             Project: Commons Collections
>          Issue Type: New Feature
>          Components: Map
>            Reporter: Michael Thomas
>            Priority: Minor
>             Fix For: 4.x
>
>         Attachments: LimitedSizeFifoMap.patch, LimitedSizeFifoMap.patch
>
>
> The {{LimitedSizeFifoMap}} never exceeds a given element limit by deleting old entries,
whenever new ones are inserted. It may be of use for caches holding memory-intense objects
(it is for me, anyway).
> The patch contains:
> * the interface {{LimitedSizeMap}}
> * the fully documented implementation {{LimitedSizeFifoMap}}, which deletes the oldest
items first
> * the accompanying unit test
> If you find anything that needs improvement, please let me know.

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