[jbosscache-dev] Re: Use of org.jboss.cache.Region
On 1 Nov 2006, at 20:07, Brian Stansberry wrote:
Another thing we need is equiv of the
o.j.c.eviction.RegionManager.markNodeCurrentlyInUse()/
unmarkNodeCurrentl
yInUse() calls exposed in o.j.c.Region.
What are these markers used for? And what semantics would we need
around this?
Brian Stansberry wrote:
> Hey Manik,
>
> I know you were planning on working with integrating the
> eviction and marshalling regions this week. Here's some
> input based on stuff I'm doing on converting the EJB3 code to use the
> 2.0 API.
>
> 1) Once I call Cache.getRegion(fqn, true) I've created a
> Region, but I'm not sure how to set it up programatically to
> do eviction. Passing a config to setEvictionPolicyConfig()
> seems obvious. But would that be enough to get the eviction
> policy created? Or should I then call activate()? The
> javadoc implies that activate() pertains to marshalling, but
> does it make sense to make it apply to eviction as well -- a
> sort of general purpose start() method?
Yes, I think a generic activate() is what we need here. Will add
more javadocs and stitch this together this week.
>
> 2) Conversely, how to remove a region when an SFSB is
> undeployed? There's no Cache.removeRegion(Fqn). There is a
> deactivate() method.
Again, yes, there needs to be a remove() which I will add.
>
> I realize this stuff may not be implemented; I'm more
> concerned with understanding the API.
>
> Brian Stansberry
> Lead, AS Clustering
> JBoss, a division of Red Hat
> Ph: 510-396-3864
> skype: bstansberry