[jboss-jira] [JBoss JIRA] (JGRP-2481) Use IdentityHashmap in Util.TYPES and ClassConfigurator

[Bela Ban (Jira)]

     [ https://issues.redhat.com/browse/JGRP-2481?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Bela Ban resolved JGRP-2481.
----------------------------
    Resolution: Done


> Use IdentityHashmap in Util.TYPES and ClassConfigurator
> -------------------------------------------------------
>
>                 Key: JGRP-2481
>                 URL: https://issues.redhat.com/browse/JGRP-2481
>             Project: JGroups
>          Issue Type: Enhancement
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>            Priority: Minor
>             Fix For: 5.0.0.Beta2
>
>
> When we have lookup hashmaps, populated at startup, and not changed afterwards, we can use IdentityHashmaps, as a {{get()}} is constant.
> For keys with a contiguous range (e.g. {{[1 .. 20]}}), we might even use a simple array of keys and values, e.g. {{[K1,V1,K2,V2, ... Kn,Vn}}.



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