1 package com.thoughtworks.xstream.core;2 3 public class SequenceGenerator implements ReferenceByIdMarshaller.IDGenerator {4 5 private int counter;6 7 public SequenceGenerator(int startsAt) {8 this.counter = startsAt;9 }10 11 public String next() {12 return String.valueOf(counter++);13 }14 15 }16