Tasks.scheduleAtFixedRate同时开启多个任务会造成锁安全吗

 public  void getOrderToSend(){
        Tasks.scheduleAtFixedRate(new Runnable() {
            @Override
            public void run() {
                testJob.sendOrder(QueueEnum.ONE);
            }
        }, 1,1000, TimeUnit.MILLISECONDS);
    }

    public  void getOrderToSend2(){
        Tasks.scheduleAtFixedRate(new Runnable() {
            @Override
            public void run() {
                testJob.sendOrder(QueueEnum.SECOND);
            }
        }, 1,1000*60, TimeUnit.MILLISECONDS);
    }
    //定时回调商户订单(补单)
    public  void getOrderToSend3(){
        Tasks.scheduleAtFixedRate(new Runnable() {
            @Override
            public void run() {
                testJob.sendOrder(QueueEnum.THREE);
            }
        }, 1,1000*60*30, TimeUnit.MILLISECONDS);
    }

三个定时任务同时调用一个方法