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- Displaying altered mysql table contents in JTable in java using Vector
- import java.util.Vector.*;
- import java.sql.*;
- JFrame f = new JFrame();
- f.setSize(800,800);
- f.setVisible(true);
- f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
- Connection Db=null;
- ResultSet Results,res,rest,re;
- String stetus;
- Vector data = new Vector();
- Vector row = new Vector(50);
- JPanel p = new JPanel();
- Vector<String> columnNames = new Vector<String>();
- double energi,nodeid,en;
- String url= "jdbc:mysql://localhost:3306/prowler";
- String username="root";
- String password = "not telling you";
- try {
- Class.forName("com.mysql.jdbc.Driver");
- Db= DriverManager.getConnection(url,username,password);
- }
- catch(ClassNotFoundException cnf) {
- System.err.println("Unable to load JDBC bridge" + cnf);
- System.exit(1);
- }
- catch(SQLException se) {
- System.err.println("Cannot connect to database" + se);
- System.exit(2);
- }
- int num = Integer.parseInt(name.getSelectedText());
- for(int i=1;i<=num;i++) {
- row.addElement(i);
- try {
- Statement st = Db.createStatement();
- Results = st.executeQuery("SELECT COUNT(*) FROM node WHERE nodeid='i' AND stetus='sending'");
- row.addElement(Results.getObject(1));
- }
- catch(SQLException se) {
- System.out.println("Query Not Executed" + se);
- }
- try {
- Statement st = Db.createStatement();
- res = st.executeQuery("SELECT COUNT(*) FROM node WHERE nodeid='i' AND stetus='corrupted'");
- row.addElement(res.getObject(1));
- }
- catch(SQLException se) {
- System.out.println("Query Not Executed" + se);
- }
- try {
- Statement st = Db.createStatement();
- rest = st.executeQuery("SELECT COUNT(*) FROM node WHERE nodeid='i' AND stetus='recieved'");
- row.addElement(rest.getObject(1));
- }
- catch(SQLException se) {
- System.out.println("Query Not Executed" + se);
- }
- try {
- Statement st = Db.createStatement();
- re = st.executeQuery("SELECT MIN(energi) FROM node WHERE nodeid='i'");
- row.addElement(re.getObject(1));
- }
- catch(SQLException se) {
- System.out.println("Query Not Executed" + se);
- }
- data.addElement(row);
- }
- columnNames.add("Node Id");
- columnNames.add("Packets Sent");
- columnNames.add("Packets Corrupted");
- columnNames.add("Packets Recieved");
- columnNames.add("Energy Left");
- JTable table = new JTable(data,columnNames);
- JScrollPane jsp = new JScrollPane(table);
- p.add(jsp);
- f.add(p);
- Select nodeid,
- Count(case stetus when 'sending' then 1 else null end) as Sent,
- Count(case stetus when 'received' then 1 else null end) as Received,
- Count(case stetus when 'corrupted' then 1 else null end) as Corrupted,
- Min(energi) as remaining
- From Node Group By NodeId
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