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| package Sagacity;
import javax.swing.*;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import java.sql.ResultSetMetaData;
import java.util.Vector;
public class Model {
private Connection conn = null;
public Connection getConn() {
return conn;
}
public void setConn(Connection conn) {
this.conn = conn;
}
private Controller controller;
Model() {
}
/*
* Cette methode se connect à la base de donne grace aux parametres adress
* nom_base_de_donne user password
*
* et traitre grace au parametre table, transforme la table choisie en
* Jtable
*
* Elle finit par lancer la méthode afficheTable de la classe View qui ouvre
* une fenetre qui prend le nom titre et affiche la table
*/
public void createJTableAllResSamp() {
connexionBdd("127.0.0.1", "sagacity", "root","mysql");
Statement stmt = null;
ResultSet rsAllResSample = null;
Vector<Vector<String>> data = null;
JTable jtableAllResSample = null;
try {
stmt = conn.createStatement();
rsAllResSample = stmt.executeQuery("SELECT * FROM all_res_samp");
ResultSetMetaData md = rsAllResSample.getMetaData(); // info sur la structure de la table
int columnCount = md.getColumnCount();
/* Creation du vecteur nomColonnes et data */
Vector<String> columns = new Vector<String>(columnCount);
for (int i = 1; i <= columnCount; i++) {
columns.add(md.getColumnName(i));
/* --- */
/* recupere les data */
data = new Vector<Vector<String>>(columnCount);
}
/* on creer les lignes une par une et on ajoute au vecteur data */
while (rsAllResSample.next()) {
Vector<String> row = new Vector<String>(columnCount);
for (int i = 1; i <= columnCount; i++) {
row.add(rsAllResSample.getString(i));
}
data.add(row);
}
deconnexionBdd();
jtableAllResSample = new JTable(data, columns);
this.demandeAffichagePrincipal(jtableAllResSample);
} catch (SQLException SQLEx) {
System.out.println("SQLException: " + SQLEx.getMessage());
} finally {
/* En cas de problème on ferme tout */
if (rsAllResSample != null) {
try {
rsAllResSample.close();
} catch (SQLException sqlEx) {
System.out.println("SQLException: " + sqlEx.getMessage());
}
rsAllResSample = null;
}
if (stmt != null) {
try {
stmt.close();
} catch (SQLException sqlEx) {
System.out.println("SQLException: " + sqlEx.getMessage());
}
stmt = null;
}
if (conn != null) {
try {
conn.close();
} catch (SQLException sqlEx) {
// Ignore
}
conn = null;
}
}
/* Fin finally */
}
public void createJTableFrequenceAllele(String locus) {
connexionBdd("127.0.0.1", "sagacity", "root","mysql");
Statement stmt = null;
ResultSet rsAlleleFrenquency = null;
Vector<Vector<String>> data = null;
JTable jtableFrenquenceAllele = null;
try {
stmt = conn.createStatement();
rsAlleleFrenquency = stmt.executeQuery(" SELECT @nbr_ligne:=count( `LOCUS_ID` ) FROM ALL_RES_SAMP WHERE `LOCUS_ID` = '"+locus+"'");
rsAlleleFrenquency = stmt.executeQuery("SELECT LOCUS_ID, ALLELE_ID, (count( LOCUS_ID )/@nbr_ligne) AS FREQUENCY FROM ALL_RES_SAMP WHERE LOCUS_ID = '"+locus+"' GROUP BY ALLELE_ID; ");
ResultSetMetaData mdAlleleFrenquency = rsAlleleFrenquency.getMetaData(); // donne des
// informations
// sur la
// structure
// de la
// table
int columnCount = mdAlleleFrenquency.getColumnCount();
/* Creation du vecteur nomColonnes et data */
Vector<String> columns = new Vector<String>(columnCount);
for (int i = 1; i <= columnCount; i++) {
columns.add(mdAlleleFrenquency.getColumnName(i));
/* --- */
/* recupere les data */
data = new Vector<Vector<String>>(columnCount);
}
/* on creer les lignes une par une et on ajoute au vecteur data */
while (rsAlleleFrenquency.next()) {
Vector<String> row = new Vector<String>(columnCount);
for (int i = 1; i <= columnCount; i++) {
row.add(rsAlleleFrenquency.getString(i));
}
data.add(row);
}
deconnexionBdd();
jtableFrenquenceAllele = new JTable(data, columns);
this.demandeAfficheAllele(jtableFrenquenceAllele);
} catch (SQLException SQLEx) {
System.out.println("SQLException: " + SQLEx.getMessage());
} finally {
/* En cas de problème on ferme tout */
if (rsAlleleFrenquency != null) {
try {
rsAlleleFrenquency.close();
} catch (SQLException sqlEx) {
System.out.println("SQLException: " + sqlEx.getMessage());
}
rsAlleleFrenquency = null;
}
if (stmt != null) {
try {
stmt.close();
} catch (SQLException sqlEx) {
System.out.println("SQLException: " + sqlEx.getMessage());
}
stmt = null;
}
if (conn != null) {
try {
conn.close();
} catch (SQLException sqlEx) {
// Ignore
}
conn = null;
}
}
/* Fin finally */
}
public void connexionBdd(String adress, String nom_base_de_donne,
String user, String password) {
try {
/* Register the driver */
Class.forName("com.mysql.jdbc.Driver").newInstance();
try {
/* Connexion à la base */
conn = DriverManager.getConnection("jdbc:mysql://" + adress
+ "/" + nom_base_de_donne + "", "" + user + "", ""
+ password + "");
} catch (SQLException SQLex) {
System.out.println("SQLException: " + SQLex.getMessage());
System.out.println("SQLState: " + SQLex.getSQLState());
System.out.println("VendorError: " + SQLex.getErrorCode());
}
} catch (Exception ex) {
System.out.println("Exception " + ex.getMessage());
}
}
public void deconnexionBdd(){
try{conn.close();}
catch(SQLException sqlEx){
System.out.println("SQLException: " + sqlEx.getMessage());
}
}
public void LienModelController(Controller controller) {
this.controller = controller;
}
/*Methode vers controller*/
public void demandeAffichagePrincipal(JTable jtable) {
this.controller.affichePrincipal(jtable);
}
public void demandeAfficheAllele(JTable jtable){
controller.afficheAllele(jtable);
}
/*Fin Methode vers controller*/
} |
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