@Override
  protected long getLastAccessedTime() throws EntryNotFoundException {
    RegionEntry re = getCheckedRegionEntry();
    try {
      return re.getLastAccessed();
    } catch (InternalStatisticsDisabledException e) {
      return 0;
    }
  }
Returns the tasks region entry if it "checks" out. The check is to see if the region entry
still exists.

@throws EntryNotFoundException if the task no longer has a region entry or if the region entry
        it has is removed.
geode-core/src/main/java/org/apache/geode/internal/cache/EntryExpiryTask.java