@Override
  public Map<String, UUID> selectDigest(String keyPrefix, Predicate<String> keyFilter) {
      return objectStore.selectProperties(keyPrefix, (mm) -> {
        if (keyFilter == null || keyFilter.test(mm.getPropertykey())) {
          return UUID.fromString(mm.getPropertyValue());
        }
        return null;
      });
  }
Basic ctor.
@param store the object store
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/JdoPropertyStore.java