public static boolean isCMFileUri(Path fromPath) {
    String[] result = decodeFileUri(fromPath.toString());
    return result[1] != null;
  }
Split uri with fragment into file uri, subdirs, checksum and source cmroot uri.
Currently using fileuri#checksum#cmrooturi#subdirs as the format.
@param fileURIStr uri with fragment
@return array of file name, subdirs, checksum and source CM root URI
standalone-metastore/metastore-common/src/main/java/org/apache/hadoop/hive/metastore/ReplChangeManager.java