Connexion.Charts.java Source code

Introduction

Here is the source code for Connexion.Charts.java

Source

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */
package Connexion;

import BDD.*;
import java.sql.*;
import javax.swing.JFrame;
import org.jfree.chart.*;
import org.jfree.data.*;
import org.jfree.data.general.DefaultPieDataset;

/**
 *
 * @author Arnaud
 */
public class Charts extends JFrame {

    public Connection connect = Connexion.getInstance();
    private ResultSetMetaData rset;

    public Charts() {

        try {
            Class.forName("com.mysql.jdbc.Driver");
        } catch (ClassNotFoundException e) {
            /* Grer les ventuelles erreurs ici. */
        }
        int a = 0;
        int b = 0;
        int c = 0;
        try {
            ResultSet resultat1 = this.connect
                    .createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE)
                    .executeQuery("SELECT code_service FROM hospitalisation WHERE code_service =  'REA'");
            // on rcupre le nombre de lignes de la requte
            if (resultat1.last()) {
                a = resultat1.getRow();
            }
            System.out.println(a);

        } catch (SQLException e) {
            e.printStackTrace();
        }
        try {
            ResultSet resultat2 = this.connect
                    .createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE)
                    .executeQuery("SELECT code_service FROM hospitalisation WHERE code_service =  'CHG'");
            // on rcupre le nombre de lignes de la requte
            if (resultat2.last()) {
                b = resultat2.getRow();
            }
            System.out.println(b);

        } catch (SQLException e) {
            e.printStackTrace();
        }
        try {

            ResultSet resultat3 = this.connect
                    .createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE, ResultSet.CONCUR_UPDATABLE)
                    .executeQuery("SELECT code_service FROM hospitalisation WHERE code_service =  'CAR'");
            // on rcupre le nombre de lignes de la requte
            if (resultat3.last()) {
                c = resultat3.getRow();
            }

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

        DefaultPieDataset union = new DefaultPieDataset();

        //remplir l'ensemble

        union.setValue("REA", a);
        union.setValue("CAR", b);
        union.setValue("CHG", c);

        JFreeChart repart = ChartFactory.createPieChart3D("Nombre d'hospitalisation par service", union, true, true,
                false);
        ChartPanel crepart = new ChartPanel(repart);
        this.add(crepart);
        this.pack();
        this.setVisible(true);
    }

    /*private void add(ChartPanel crepart) {
    throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }*/

}