private static final String debugId(Object o) {
    Long id = (Long)o;
    byte[] buf = new byte[8];
    ArrayUtil.writeLong(buf, 0, id.longValue());
    return HexUtil.toString(buf);
  }
private static final String debugId ( Object o ) { Long id = ( Long ) o ; byte [ ] buf = new byte [ 8 ] ; ArrayUtil . writeLong ( buf , 0 , id . longValue ( ) ) ; return HexUtil . toString ( buf ) ; }
Write a Schema Id out as a hex string.

@param o      The SchemaId

@return String A hex string representaion of the SchemaId's long value.