package com.chinacreator.videoalliance.order.util;

/**
 * Create by IntelliJ IDEA.
 * Author: EricJin
 * Date: 08/15/2018 10:46
 */
public class SequenceUtils {

    private final static int MAX_SEQUENCE = 10000;
    private static int currentSequence = 1;

    public synchronized static String getSequence() {
        currentSequence ++;
        if(currentSequence >= MAX_SEQUENCE) {
            currentSequence = 1;
        }
        return String.format("%04d", currentSequence);
    }
}