*/
public Enumeration keys() {
// TODO Find a better way
final MemoryCache memoryCache = this.cacheManager.getCache(region).getMemoryCache();
final Object[] keys = memoryCache.getKeyArray();
return new IteratorEnumeration(Arrays.asList(keys).iterator());
//return new IteratorEnumeration(this.jcs.getGroupKeys("").iterator());
}