@Override public void fill(ByteBuffer buffer,long id){
  buffer.put(EVENTID_LONG);
  buffer.putLong(id);
}

@ Override public void fill ( ByteBuffer buffer , long id ) { buffer . put ( EVENTID_LONG ) ; buffer . putLong ( id ) ; }
writes the given ' id ' to the given buffer as ' long ' preceeded by a token indicating that it is written as ' long ' type .
