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

[Bela Ban (Jira)]

Bela Ban created JGRP-2481:
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             Summary: 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
             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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