[jira] Closed: (MIME4J-89) Improve thread synchronization in MultiReferenceStorage

["Robert Burrell Donkin (JIRA)" <se...@james.apache.org>]

     [ https://issues.apache.org/jira/browse/MIME4J-89?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Robert Burrell Donkin closed MIME4J-89.
---------------------------------------

    Resolution: Fixed

Committed. Many thanks.

> Improve thread synchronization in MultiReferenceStorage
> -------------------------------------------------------
>
>                 Key: MIME4J-89
>                 URL: https://issues.apache.org/jira/browse/MIME4J-89
>             Project: JAMES Mime4j
>          Issue Type: Improvement
>    Affects Versions: 0.6
>            Reporter: Markus Wiederkehr
>            Assignee: Robert Burrell Donkin
>             Fix For: 0.6
>
>         Attachments: mime4j-storage-lock.patch
>
>
> MultiReferenceStorage uses method based synchronization to protect the reference counting variable.
> There are two problems with that:
> 1. storage is an interface and so storage.delete() represents a leak of the thread of execution.
> 2. storage.delete() may be a slow operation.

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