springboot 定时执行

@Component
public class ApplicationConfig implements ApplicationListener<ContextRefreshedEvent> {

    @Autowired
    WebApplicationContext context;


    @Override
    public void onApplicationEvent(ContextRefreshedEvent contextRefreshedEvent) {
        this.context.getServletContext().setAttribute("logout", NanWeiConfiguration.LOGOUTBACK);
        new Thread(new AccessTokenThread()).start();

    }
}


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public class AccessTokenThread extends  Thread
{
    private static Logger log = LoggerFactory.getLogger(AccessTokenThread.class);
    private static String access_token_url=QztConfiguration.GETAPPTOCKEN;
    public static String access_token_val;
    @Override
    public void run() {
        while(true){
            access_token_val= getAccessToken();
            try {
                Thread.sleep(6000*1000);
            } catch (InterruptedException e) {
                e.printStackTrace();
            }
        }
    }

    private static String getAccessToken() {

        HashMap hashMap = null;

        try {
            hashMap = HttpUtils.sendRequestCommon(QztConfiguration.GETAPPTOCKEN,
                    new HashedMap(),
                    "GET", false,false);

            Integer resultCode = (Integer) hashMap.get("code");
            String data = (String) hashMap.get("data");
            hashMap = JSON.parseObject(data, HashMap.class);
            Integer errCode = (Integer) hashMap.get("errCode");
            if (errCode.equals(0)) {
                JSONObject tokenInfo = (JSONObject) hashMap.get("data");
                String token = (String) tokenInfo.get("appToken");
                QztConfiguration.appToken = token;
                return token;
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return "";
    }



}
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