[jboss-dev-forums] [Design of JBossCache] - Requirement for _default_ eviction region

[bstansberry@jboss.com]

Follow-on to our discussion on http://jira.jboss.org/jira/browse/JBCACHE-1288

Looking at RegionManager for other reasons and noticed this bit in getRegion(Fqn, Region.Type, boolean):


  |       // test if the default region has been defined.  If not, and if eviction regions
  |       // are in use, throw an exception since it is required.
  |       if ((nextBestThing == null || nextBestThing.getFqn().isRoot() && !regionsRegistry.containsKey(Fqn.ROOT))
  |             && type == EVICTION)
  |       {
  |          if (log.isTraceEnabled())
  |             log.trace("Next best region is " + nextBestThing + ".  RegionsRegistry contains a default? " + regionsRegistry.containsKey(Fqn.ROOT) + " Region type requested = " + type);
  |          throw new RuntimeException("No default eviction region defined!");
  |       }
  | 

Looks like we *are* enforcing a requirement for a _default_ region.

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