[jboss-jira] [JBoss JIRA] Updated: (JBCACHE-745) nodeEvicted being called for nodes that don't actuall get evicted

[Brian Stansberry (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBCACHE-745?page=all ]

Brian Stansberry updated JBCACHE-745:
-------------------------------------

    Issue Type: Feature Request  (was: Bug)

The eviction process is being called on the node; if the node itself had any data in its attribute map that data would be removed (although the node wouldn't, as it's needed to maintain the tree structure).  The discussion of this distinction is something we need to do a better job of in the training materials.

Changing this to a Feature Request, as it *might* be possible and *might* be appropriate to check for the situation of a node with no data and suppress the eviction notification in that case.

> nodeEvicted being called for nodes that don't actuall get evicted
> -----------------------------------------------------------------
>
>                 Key: JBCACHE-745
>                 URL: http://jira.jboss.com/jira/browse/JBCACHE-745
>             Project: JBoss Cache
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>    Affects Versions: 1.4.0.SP1
>            Reporter: gregorypierce
>         Assigned To: Manik Surtani
>         Attachments: CacheEviction.java
>
>
> Working on class example from training materials CacheEviction.java. Will receive a nodeEvicted call that the root node has been evicted, but if you look at the console itself and print the tree - the root node doesn't get evicted. Should not call nodeEvicted with a node that hasn't actually already been evicted from the tree. Looks like it realizes that the node is a parent node and decides against evicting it after the interface call.
> // FIXME We extend AbstractTreeCacheListener, which provides a default implementation
> // of the TreeCacheListener interface. You just need to override methods to write to
> // the console for cache events in which you are interested.  Do something like this:
>    public void nodeCreated(Fqn fqn) {
>       System.out.println("nodeCreated(): fqn: " +fqn);
>    }
>    public void nodeEvicted(Fqn fqn)
>    {
> 	   System.out.println("nodeEvicted(): fqn: " +fqn);
>    }

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