public static IMetaStoreSchemaInfo get(Configuration conf) {
    String hiveHome = System.getenv("HIVE_HOME");
    if (hiveHome == null) {
      LOG.debug("HIVE_HOME is not set. Using current directory instead");
      hiveHome = ".";
    }
    return get(conf, hiveHome, null);
  }
Factory class implementation to create instances of IMetaStoreSchemaInfo
based on the provided configuration
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/MetaStoreSchemaInfoFactory.java