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(root)/JavaSE/ExempleJdbc/src/lab/scd/db/jdb20/MutaCursor.java

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/*
 * MutaCursor.java
 */
package lab.scd.db.jdb20;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;

import lab.scd.db.util.DBConfig;

/**
 * Class created by @author Mihai HULEA at Mar 13, 2005.
 *
 * This class is part of the laborator4_db project.
 *
 * Exemplifica metodele de deplasare in cadrul unui ResultSet folosind facilitatile
 * din JDBC 2.0
 *
 */
public class MutaCursor {

    public static void main(String[] args) {
        try{
        //incarcare driver petru baza de date
        Class.forName("com.mysql.jdbc.Driver");
       
        //conectare la baza de date
        Connection conn = DriverManager.getConnection("jdbc:mysql://"+DBConfig.HOST+"/"+DBConfig.DATABASE+"?user="+DBConfig.USER+"&password="+DBConfig.PWD);
       
        System.out.println("Conexiune la baza de date realizata.");
       
        Statement s = conn.createStatement();
       
        //executa interogarea asupra bazei de date
        ResultSet rs = s.executeQuery("SELECT * FROM STOC;");
       
       
        //deplasare inainte
       
        while(rs.next()){
            String pname = rs.getString("PROD");
            int ppret = rs.getInt("PRET");
            System.out.println("Produs:"+pname+" Pret:"+ppret);
        }
       
        //deplasare inapoi
       
        rs.last();
        while(rs.previous()){
            String pname = rs.getString("PROD");
            int ppret = rs.getInt("PRET");
            System.out.println("* Produs:"+pname+" Pret:"+ppret);
        }
       
        //pozitionare directa
        rs.absolute(3);
        String pname = rs.getString("PROD");
        int ppret = rs.getInt("PRET");
        System.out.println("** Produs:"+pname+" Pret:"+ppret);
     
        //pozitionare reliativa fata de pozitia curenta
        rs.relative(1);
        pname = rs.getString("PROD");
        ppret = rs.getInt("PRET");
        System.out.println("*** Produs:"+pname+" Pret:"+ppret);

       
        }catch(Exception e){
            e.printStackTrace();
        }
    }
}