@Override
  public boolean isHosting() {
    return advisor.isHosting();
  }
Returns the real BucketRegion that is currently being locally hosted. Returns null if the real
bucket is null or if it is still being initialized. After the bucket is intialized isHosting
will be flagged true and future calls to this method will return the bucket.

@return the real bucket if currently hosted or null
geode-core/src/main/java/org/apache/geode/internal/cache/ProxyBucketRegion.java