@Override
  public VersionTag findVersionTagForEvent(EventID eventId) {
    if (dataStore != null) {
      Set<Map.Entry<Integer, BucketRegion>> bucketMap = dataStore.getAllLocalBuckets();
      for (Map.Entry<Integer, BucketRegion> entry : bucketMap) {
        VersionTag result = entry.getValue().findVersionTagForEvent(eventId);
        if (result != null) {
          return result;
        }
      }
    }
    return null;
  }
This is getter method for redundancy.

@return redundancy for this PartitionedRegion
geode-core/src/main/java/org/apache/geode/internal/cache/PartitionedRegion.java