static LogSegmentName fromString(String name) {
    if (name.isEmpty()) {
      return SINGLE_SEGMENT_LOG_NAME;
    }
    return new LogSegmentName(name);
  }
Parse the string form of a log segment name.
@param name the name string to parse.
@return the {@link LogSegmentName}.
ambry-store/src/main/java/com/github/ambry/store/LogSegmentName.java