[jboss-jira] [JBoss JIRA] (JGRP-2048) ClassConfigurator: use constructors rather than Classes in map

[Bela Ban (JIRA)]

    [ https://issues.jboss.org/browse/JGRP-2048?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13265760#comment-13265760 ] 

Bela Ban commented on JGRP-2048:
--------------------------------

Duplicate of JGRP-2043 

> ClassConfigurator: use constructors rather than Classes in map
> --------------------------------------------------------------
>
>                 Key: JGRP-2048
>                 URL: https://issues.jboss.org/browse/JGRP-2048
>             Project: JGroups
>          Issue Type: Enhancement
>            Reporter: Bela Ban
>            Assignee: Bela Ban
>            Priority: Minor
>             Fix For: 4.0
>
>
> Investigate whether use of {{Constructor}} as values in the maps rather than {{Class<?>}} improves performance. {{Class.newInstance()}} does cache the constructor, but there's a security check that's executed once, so using the constructor may improve perf.
> Also, if a class doesn't have an empty constructor, using {{Class.newInstance()}} would throw an exception, whereas using constructors would detect this at load time.



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