public static Pair<TableName, String> parseBackReferenceName(String name) {
    int separatorIndex = name.indexOf('.');
    String linkRegionName = name.substring(0, separatorIndex);
    String tableSubstr = name.substring(separatorIndex + 1).replace('=', TableName.NAMESPACE_DELIM);
    TableName linkTableName = TableName.valueOf(tableSubstr);
    return new Pair<>(linkTableName, linkRegionName);
  }
Get the full path of the HFile referenced by the back reference
@param rootDir     root hbase directory
@param linkRefPath Link Back Reference path
@return full path of the referenced hfile
hbase-server/src/main/java/org/apache/hadoop/hbase/io/HFileLink.java