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

[mircea.markus]

there is another JIRA that might be implemented based on resident nodes approach: Introduce a concept of structural nodes(http://jira.jboss.com/jira/browse/JBCACHE-1153)

Structural nodes should not be taken into consideration when processing regions for eviction. Typically are nodes that do not contain data (and are not intended to contain data), but are used to build tree structure.
(Please check JIRA for an eviction example with respect to structural nodes.)

Structural node implementation based on resident nodes:
- each such structural node would be defined by default as resident
- when an operation is made on any such node (e.g. adding data) then it would be marked as non-structural(i.e. considered for eviction)

Backward compatibility:
- normally this should be an improvement in the way eviction framework works. 


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