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Tutorial Hibernate Dengan Java Destop (SE) CRUD (PART 2: Select)

Selamat siang,
Kali ini saya menulis artikel tentang menampilkan & filter data dari database ke JTable dengan menggunakan Hibernate Framework, artikel ini adalah lanjutan dari artikel Artikel Part 1 , teman-teman yang sudah mencoba artikel saya yang pertama tinggal modifikasi project dari artikel saya yang pertama saja Artikel Part 1

Langkah 1 :  Mofikasi Tampilan FormCRUD yang pernah di buat di artikel sebelumnya

Langkah 2 : Di package util buat file baru dengan nama JTableHandler.java


File : JTableHandler.java

 /*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package util;

import entity.Karyawan;
import java.util.Iterator;
import java.util.List;
import javax.swing.JOptionPane;
import javax.swing.JTable;
import javax.swing.table.DefaultTableModel;
import org.hibernate.*;
import org.hibernate.cfg.Configuration;
import org.hibernate.criterion.Restrictions;

/**
 *
 * @author kurnia_syukur
 */
public class JTableHandler {

    public void fillGrid(JTable table,String kriteria) {
        DefaultTableModel model =  (DefaultTableModel) table.getModel();
        model.getDataVector().removeAllElements();
        
     
        try {
            new SchemaBuilder().build();
        } catch (Exception ex) {
            JOptionPane.showMessageDialog(null, ex.getMessage());
        }
        System.out.println("oke");

        try {
            SessionFactory sf = new Configuration().configure().buildSessionFactory();
            Session s = sf.openSession();
            s.beginTransaction();

            //Query q = s.createQuery("from Karyawan");
            //List listContact = q.list();
             
            Criteria c = s.createCriteria(Karyawan.class);
            c.add(Restrictions.like("nama", "%"+kriteria+"%")); 
            List list = c.list(); 
            Iterator i = list.iterator();
            while (i.hasNext()) {
                Karyawan k = (Karyawan) i.next();
                Object[] o = new Object[]{k.getNik(),k.getNama(),k.getAlamat()};
                model.addRow(o);
                
            }
        } catch (HibernateException e) {
            JOptionPane.showMessageDialog(null, e);
        }
    }
}


Langkah 3 : Modifikasi Kode Program FormCRUD

Modifikasi File FormCRUD.Java
             
 /*
 * 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 cobahibernate;

import entity.Karyawan;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import javax.swing.JOptionPane;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;
import util.JTableHandler;
import util.SchemaBuilder;

/**
 *
 * @author kurniasyukur
 */
                                  /*PENAMBAHAN 1 : Implemet KeyListener*/
public class FormCRUD extends javax.swing.JFrame implements  KeyListener{

    /**
     * Creates new form FormCRUD
     */
     
    /*PENAMBAHAN 2 : MEMBUAT INSTANCE DARI CLASS JTableHandler*/
    private  JTableHandler tableHandler = new JTableHandler();
    
    
    public FormCRUD() {
        initComponents();
        
        /*PENAMBAHAN 3*/
        txtKriteria.addKeyListener(this);
        
        /*PENAMBAHAN 4*/
        tableHandler.fillGrid(tblKaryawan,"");
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    //                           
    private void initComponents() {

        txtNik = new javax.swing.JTextField();
        jLabel1 = new javax.swing.JLabel();
        txtNama = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        txtAlamat = new javax.swing.JTextField();
        jLabel3 = new javax.swing.JLabel();
        tbnSimpan = new javax.swing.JButton();
        jScrollPane1 = new javax.swing.JScrollPane();
        tblKaryawan = new javax.swing.JTable();
        txtKriteria = new javax.swing.JTextField();
        jLabel4 = new javax.swing.JLabel();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jLabel1.setText("Nik");

        jLabel2.setText("Nama");

        jLabel3.setText("Alamat");

        tbnSimpan.setText("Simpan");
        tbnSimpan.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                tbnSimpanActionPerformed(evt);
            }
        });

        tblKaryawan.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {
                {null, null, null},
                {null, null, null},
                {null, null, null},
                {null, null, null}
            },
            new String [] {
                "NIK", "NAMA", "ALAMAT"
            }
        ) {
            boolean[] canEdit = new boolean [] {
                false, false, false
            };

            public boolean isCellEditable(int rowIndex, int columnIndex) {
                return canEdit [columnIndex];
            }
        });
        jScrollPane1.setViewportView(tblKaryawan);

        jLabel4.setFont(new java.awt.Font("Tahoma", 1, 11)); // NOI18N
        jLabel4.setText("CARI(Berdasarkan Nama)");

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addGroup(layout.createSequentialGroup()
                        .addComponent(jLabel4)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                        .addComponent(txtKriteria, javax.swing.GroupLayout.PREFERRED_SIZE, 305, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 452, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(18, 18, Short.MAX_VALUE)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel1, javax.swing.GroupLayout.Alignment.TRAILING)
                            .addComponent(jLabel3, javax.swing.GroupLayout.Alignment.TRAILING)
                            .addComponent(jLabel2, javax.swing.GroupLayout.Alignment.TRAILING))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(txtNik, javax.swing.GroupLayout.PREFERRED_SIZE, 151, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(txtAlamat, javax.swing.GroupLayout.PREFERRED_SIZE, 151, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(txtNama, javax.swing.GroupLayout.PREFERRED_SIZE, 151, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addContainerGap())
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addComponent(tbnSimpan)
                        .addGap(18, 18, 18))))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(34, 34, 34)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addComponent(jLabel1)
                            .addComponent(txtNik, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGap(3, 3, 3))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(txtKriteria, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jLabel4))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)))
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(5, 5, 5)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(txtNama, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jLabel2))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jLabel3)
                            .addComponent(txtAlamat, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                        .addGap(18, 18, 18)
                        .addComponent(tbnSimpan)
                        .addGap(0, 162, Short.MAX_VALUE))
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 0, Short.MAX_VALUE))
                .addContainerGap())
        );

        pack();
    }//                         

    private void tbnSimpanActionPerformed(java.awt.event.ActionEvent evt) {                                          
        // TODO add your handling code here:
             try {
            try {
                new SchemaBuilder().build();
            } catch (Exception ex) {
                JOptionPane.showMessageDialog(null, ex.getMessage());
            }

            Karyawan k = new Karyawan(txtNik.getText(), txtNama.getText(), txtAlamat.getText());
            SessionFactory sf = new Configuration().configure().buildSessionFactory();
            Session s = sf.openSession();
            s.beginTransaction();
            s.saveOrUpdate(k);
            s.getTransaction().commit();
            sf.close();
            JOptionPane.showMessageDialog(null, "tersimpan");
            /*PENAMBAHAN 5*/
            tableHandler.fillGrid(tblKaryawan,txtKriteria.getText());
            clearForm();
        } catch (HibernateException e) {
            JOptionPane.showMessageDialog(null, e.getMessage());
        }
    }                                         

    void clearForm(){
        txtNik.setText("");
        txtNama.setText("");
        txtAlamat.setText("");
    }
    
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(FormCRUD.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(FormCRUD.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(FormCRUD.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(FormCRUD.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new FormCRUD().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTable tblKaryawan;
    private javax.swing.JButton tbnSimpan;
    private javax.swing.JTextField txtAlamat;
    private javax.swing.JTextField txtKriteria;
    private javax.swing.JTextField txtNama;
    private javax.swing.JTextField txtNik;
    // End of variables declaration                   

    @Override
    public void keyTyped(KeyEvent e) {
        //throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }

    @Override
    public void keyPressed(KeyEvent e) {
        //throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
    }
    
    
    /*PENAMBAHAN 6*/
    @Override
    public void keyReleased(KeyEvent e) {
        //throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
        Object source = e.getSource();
        int keyCode = e.getKeyCode();

        if (source.equals(txtKriteria)) {
            if ((keyCode >= 65 && keyCode <= 90)
                    || (keyCode >= 48 && keyCode <= 57)
                    || (keyCode == 8)) {
                tableHandler.fillGrid(tblKaryawan, txtKriteria.getText());
            }

        }
    }
}


Langkah 4 : Silahkan coba jalankan FormCRUD


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