在哪里放置jtable代码的计时器以自动刷新

Question

我有生成两个表的Java代码;一个用于传入订单，另一个用于服务订单。这些表应该在运行时自动更新。我有计时器的代码，但我不知道在哪里放置它。请注意，我是JTables的新手。请帮忙。这是我的代码：

package marvelin;

import java.awt.Component;
import java.awt.Dimension;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.util.logging.Level;
import java.util.logging.Logger;

import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.JTable;
import javax.swing.SwingConstants;
import javax.swing.Timer;
import javax.swing.WindowConstants;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.table.DefaultTableModel;

public class OrderMaking extends JFrame{
    MessManagement mm=new MessManagement();

        String foodorder1;
        String tableno1;
        String ordertime1;
        String orderdate1;
        String incomingordersid;
    private static final long serialVersionUID = 1L;
    JFrame customer = new JFrame("Orders Made");
    public void frmViewOrders() throws InterruptedException{
        Toolkit toolkit = getToolkit();
        Dimension size = toolkit.getScreenSize();
        int width=size.width*70/100;
        int height=size.height*80/100;
        int xlocation=(size.width-width)/2;
        customer.setLocation(xlocation,0);
        customer.setSize(width,height);

        customer.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
        JTabbedPane tabbedPane = new JTabbedPane(SwingConstants.TOP);

        tabbedPane.addTab("Incoming Orders",incomingOrders());

        tabbedPane.addTab("Served Orders",servedOrders());

        customer.getContentPane().add(tabbedPane);

        customer.setVisible(true);
        customer.setAlwaysOnTop(false);
        customer.setResizable(false);       

    }

    public Component incomingOrders() throws InterruptedException{

     /*   ActionListener taskPerformer = new ActionListener() {
            @Override
            public void actionPerformed(ActionEvent evt) {
                //...Perform a task...

                System.out.println("Reading SMTP Info.");
                JOptionPane.showMessageDialog(null, "mndnd");
            }
        };
        Timer timer = new Timer(1000 ,taskPerformer);
        timer.setRepeats(true);
        timer.start();

        Thread.sleep(5000);*/


        String qry = "SELECT * FROM incomingorders";
        String fields[] = {"Table Number","Order ID","Food Order","Order Date","Order Time","Served"};
        int rowset=0;
        try{
            mm.dbConnect.createConnection();
            ResultSet rs=mm.stmt.executeQuery(qry);
            while(rs.next()){
                rowset++;
            }
            mm.dbConnect.closeConection();
        }
        catch(SQLException e){
            mm.dbConnect.closeConection();
        }
        DefaultTableModel table=new DefaultTableModel(fields,rowset){


            private static final long serialVersionUID = 1L;

            @Override
            public boolean isCellEditable(int row, int column) {
                return false;
            }
        };
        final JTable tbe=new JTable(table);
        tbe.setRowSelectionAllowed(true);
                tbe.getSelectionModel().addListSelectionListener(new ListSelectionListener() {

                       @Override
                       public void valueChanged(ListSelectionEvent e) {
                            tbe.setValueAt("Yes", tbe.getSelectedRow(), 5);
                            tableno1=(String) tbe.getValueAt(tbe.getSelectedRow(), 0);
                            incomingordersid=(String) tbe.getValueAt(tbe.getSelectedRow(), 1);
                            foodorder1=(String) tbe.getValueAt(tbe.getSelectedRow(), 2);
                            orderdate1=(String) tbe.getValueAt(tbe.getSelectedRow(), 3);
                            ordertime1=(String) tbe.getValueAt(tbe.getSelectedRow(), 4);

                            String insertQ = "INSERT into servedorders(tablenumber, incomingordersid, foodorder, orderdate, ordertime) VALUES('"+tableno1+"','"+incomingordersid+"','"+foodorder1+"','"+orderdate1+"','"+ordertime1+"')";
                            Statement stmt = mm.dbConnect.createStatement();
                            try {
                                stmt.executeUpdate(insertQ);

                            } catch (SQLException ex) {
                                Logger.getLogger(FoodPriceEntry.class.getName()).log(Level.SEVERE, null, ex);
                        }

                    }

                });
        JScrollPane pane=new JScrollPane(tbe);


        try{
            int rows=0;
            mm.dbConnect.createConnection();
            ResultSet rs=mm.stmt.executeQuery(qry);
            while(rs.next()){
                                String incomingordersId=rs.getString("orderid");
                String tableno=rs.getString("tablenumber");
                String foodorder=rs.getString("foodorder");
                String orderdate=rs.getString("orderdate");
                String ordertime=rs.getString("ordertime");

                tbe.setValueAt(tableno, rows, 0);
                tbe.setValueAt(incomingordersId, rows, 1);
                tbe.setValueAt(foodorder, rows, 2);
                tbe.setValueAt(orderdate, rows, 3);
                tbe.setValueAt(ordertime, rows, 4);
                                tbe.setValueAt("No", rows, 5);

                rows++;

            }
        }
        catch(SQLException e){
        }

        return pane;



    }

        public Component servedOrders(){
            //(tablenumber, foodorder, orderdate, ordertime)
        String qry = "SELECT * FROM servedorders";
        String fields[] = {"Table Number","Food Order","Order Date","Order Time"};
        int rowset=0;
        try{
            mm.dbConnect.createConnection();
            ResultSet rs=mm.stmt.executeQuery(qry);
            while(rs.next()){
                rowset++;
            }
            mm.dbConnect.closeConection();
        }
        catch(SQLException e){
            mm.dbConnect.closeConection();
        }
        DefaultTableModel table=new DefaultTableModel(fields,rowset){
            private static final long serialVersionUID = 1L;

            @Override
            public boolean isCellEditable(int row, int column) {
                return false;
            }
        };
        JTable tbe=new JTable(table);
        tbe.setRowSelectionAllowed(true);
        JScrollPane pane=new JScrollPane(tbe);
        try{
            int rows=0;
            mm.dbConnect.createConnection();
            ResultSet rs=mm.stmt.executeQuery(qry);
            while(rs.next()){
                String tableno=rs.getString("tablenumber");
                String foodorder=rs.getString("foodorder");
                String orderdate=rs.getString("orderdate");
                String ordertime=rs.getString("ordertime");


                tbe.setValueAt(tableno, rows, 0);
                tbe.setValueAt(foodorder, rows, 1);
                tbe.setValueAt(orderdate, rows, 2);
                tbe.setValueAt(ordertime, rows, 3);

                                //table.fireTableDataChanged();
                rows++;
                                tbe.repaint();
            }
        }
        catch(SQLException e){
        }
        return pane;

    }
    public static void main(String [] ars) throws InterruptedException{
        OrderMaking oMake = new OrderMaking();
        oMake.frmViewOrders();
    }
}