这需要显式同步吗?

我有两个线程,我要确保在LinkedBlockingQueue上正确执行同步。这是正确的吗?或者不需要显式同步(messagetocommqueue)?

宣言:

    private LinkedBlockingQueue<BaseMessage> messagesToCommsQueue;

方法一:

private void startOperationModeStatusMessageExecutor() {

    ScheduledExecutorService operationModeStatusExecutor = Executors.newSingleThreadScheduledExecutor();
    operationModeStatusExecutor.scheduleAtFixedRate((new Runnable() {

        @Override
        public void run() {
            MT02OperationModeStatusMessage commsOperateMsg;
                commsOperateMsg = MessageFactory.getMT1102OperationModeStatusMessage(status.ordinal());
            synchronized (messagesToCommsQueue) {
                messagesToCommsQueue.add(commsOperateMsg);
            }
        }

    }), 0, 10, TimeUnit.SECONDS);
}

方法二:

    Executor commsSenderExecutor = Executors.newSingleThreadExecutor();
    commsSenderExecutor.execute(new Runnable() {

        @Override
        public void run() {
            while (getStatus().equals(OperationModeStatus.INITIATE) || getStatus().equals(OperationModeStatus.OPERATE)) {
                BaseMessage m = null;
                try {
                    synchronized (messagesToCommsQueue) {
                        m = messagesToCommsQueue.take();
                    }
                } catch (InterruptedException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }



            }
        }

    });