[hibernate-issues] [Hibernate-JIRA] Created: (HHH-4713) Avoid using same cache instance for storing CacheValue and evictAll notifications

[Galder Zamarreno (JIRA)]

Avoid using same cache instance for storing CacheValue and evictAll notifications
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                 Key: HHH-4713
                 URL: http://opensource.atlassian.com/projects/hibernate/browse/HHH-4713
             Project: Hibernate Core
          Issue Type: Bug
          Components: caching (L2)
    Affects Versions: 3.5.0-Beta-2
            Reporter: Galder Zamarreno
            Assignee: Galder Zamarreno
             Fix For: 3.5


Store evictAll information in a separate infinispan cache instance in order to avoid doing stuff like this in BaseRegion.toMap which could be quite expensive in the context of SecondLevelCacheStatistics calculations:

   public Map toMap() {
      if (checkValid()) {
         // If copying causes issues, provide a lazily loaded Map
         Map map = new HashMap();
         Set<Map.Entry> entries = cacheAdapter.toMap().entrySet();
         for (Map.Entry entry : entries) {
            Object key = entry.getKey();
            if (!CacheHelper.isEvictAllNotification(key)) {
               map.put(key, entry.getValue());
            }
         }
         return map;
      }
      return Collections.EMPTY_MAP;
   }



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