private void initialize(Region region) {
    setNumberOfEntries(region.size());

    EvictionAttributes ea = region.getAttributes().getEvictionAttributes();
    if (ea != null && ea.getAlgorithm().isLRUMemory()) {
      setHeapSize(((InternalRegion) region).getEvictionCounter());
    } else {
      setHeapSize(-1);
    }
  }
Class <code>RegionStatus</code> provides information about <code>Region</code>s. This class is
used by the monitoring tool.


@since GemFire 5.1
geode-core/src/main/java/org/apache/geode/internal/cache/RegionStatus.java