@Override
  public void process(ClusterDistributionManager dm) {
    Region r = getRegion(dm.getSystem());
    if (r != null) {
      try {
        if (action == ExpirationAction.LOCAL_DESTROY) {
          r.localDestroyRegion();
        } else if (action == ExpirationAction.DESTROY) {
          r.destroyRegion();
        } else if (action == ExpirationAction.INVALIDATE) {
          r.invalidateRegion();
        } else if (action == ExpirationAction.LOCAL_INVALIDATE) {
          r.localInvalidateRegion();
        }
      } catch (Exception e) {
        logger.warn("Failed attempt to destroy or invalidate region {} from console at {}",
            new Object[] {r.getFullPath(), getSender()});
      }
    }
  }
A message that is sent to a particular distribution manager to let it know that the sender is an
administation console that just connected.
geode-core/src/main/java/org/apache/geode/internal/admin/remote/DestroyRegionMessage.java