[jbosscache-issues] [JBoss JIRA] Updated: (JBCACHE-1535) Immutables should be optimised for more set implementations

Manik Surtani (JIRA) jira-events at lists.jboss.org
Tue Aug 25 13:21:23 EDT 2009


     [ https://jira.jboss.org/jira/browse/JBCACHE-1535?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Manik Surtani updated JBCACHE-1535:
-----------------------------------

    Fix Version/s: 3.2.1.GA
                       (was: 3.3.0.GA)


> Immutables should be optimised for more set implementations
> -----------------------------------------------------------
>
>                 Key: JBCACHE-1535
>                 URL: https://jira.jboss.org/jira/browse/JBCACHE-1535
>             Project: JBoss Cache
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 3.2.0.GA
>            Reporter: Manik Surtani
>            Assignee: Manik Surtani
>             Fix For: 3.2.1.GA
>
>
> Unknown set types go through a lot of scanning - often involving reflection - before a simple copy constructor is used.  These include the commonly used:
> ConcurrentHashMap$KeySet
> ConcurrentHashMap$EntrySet
> FastCopyHashMap$KeySet
> FastCopyHashMap$EntrySet
> Collections$EmptySet
> Collections$SingletonSet
> Collections$EmptyList
> Collections$SingletonList
> Collections$EmptyMap
> Collections$SingletonMap
> these should be treated accordingly to avoid reflection calls.

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