[jboss-dev-forums] [Design of JBossCache] - Re: JBCACHE-1154 - Introduce ability to mark nodes as reside

[mircea.markus]

anonymous wrote : and reduces node memory size (no need to add new boolean variables) - an boolean is hold on a bit. An RegularEnumSet aggregates an long (64 bit) + some caching arrays (other bits as well). From a memory POV it is optimal to aggregate booleans directly (than EnumSets wrapping enums). 

anonymous wrote : Reduces future changes of the Node interface (no need to add methods for a new feature) - code would be less readable; also I don't think this is an proper enum usage: i.e. define bounded types(the boolean variables are not logically related) -> enhance readability  

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