public void cacheRequiresNotification() {
    if (!requiresNotification && !(isClosed || isLocallyDestroyed)) {
      // tell others of the change in status
      requiresNotification = true;
      new UpdateAttributesProcessor(this).distribute(false);
    }
  }
receive notification that a cache server or wan gateway has been created that requires
notification of cache events from this region
geode-core/src/main/java/org/apache/geode/internal/cache/PartitionedRegion.java