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[EAD][EJB] Assignment viết chương trình quản lý công ty

XEM PHẦN 2 >> TMS

CompanyLibs Project

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.1" xmlns="http://xmlns.jcp.org/xml/ns/persistence" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd">
  <persistence-unit name="CompanyLibsPU" transaction-type="RESOURCE_LOCAL">
    <provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>
    <class>entities.Company</class>
    <properties>
      <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/company"/>
      <property name="javax.persistence.jdbc.user" value="root"/>
      <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
      <property name="javax.persistence.jdbc.password" value=""/>
    </properties>
  </persistence-unit>
</persistence>

/*
 * 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 entities;

import java.io.Serializable;
import javax.persistence.Basic;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.Lob;
import javax.persistence.NamedQueries;
import javax.persistence.NamedQuery;
import javax.persistence.Table;
import javax.xml.bind.annotation.XmlRootElement;

/**
 *
 * @author DiepTV
 */
@Entity
@Table(name = "company")
@XmlRootElement
@NamedQueries({
    @NamedQuery(name = "Company.findAll", query = "SELECT c FROM Company c"),
    @NamedQuery(name = "Company.findById", query = "SELECT c FROM Company c WHERE c.id = :id"),
    @NamedQuery(name = "Company.findByName", query = "SELECT c FROM Company c WHERE c.name = :name"),
    @NamedQuery(name = "Company.findByCompanyKey", query = "SELECT c FROM Company c WHERE c.companyKey = :companyKey"),
    @NamedQuery(name = "Company.findByAddress", query = "SELECT c FROM Company c WHERE c.address = :address"),
    @NamedQuery(name = "Company.findByEnabled", query = "SELECT c FROM Company c WHERE c.enabled = :enabled")})
public class Company implements Serializable {
    private static final long serialVersionUID = 1L;
    @Id
    @GeneratedValue(strategy = GenerationType.IDENTITY)
    @Basic(optional = false)
    @Column(name = "id")
    private Integer id;
    @Basic(optional = false)
    @Column(name = "name")
    private String name;
    @Column(name = "company_key")
    private String companyKey;
    @Lob
    @Column(name = "description")
    private String description;
    @Column(name = "address")
    private String address;
    @Column(name = "enabled")
    private Integer enabled;

    public Company() {
    }

    public Company(Integer id) {
        this.id = id;
    }

    public Company(Integer id, String name) {
        this.id = id;
        this.name = name;
    }

    public Integer getId() {
        return id;
    }

    public void setId(Integer id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public String getCompanyKey() {
        return companyKey;
    }

    public void setCompanyKey(String companyKey) {
        this.companyKey = companyKey;
    }

    public String getDescription() {
        return description;
    }

    public void setDescription(String description) {
        this.description = description;
    }

    public String getAddress() {
        return address;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    public Integer getEnabled() {
        return enabled;
    }

    public void setEnabled(Integer enabled) {
        this.enabled = enabled;
    }

    @Override
    public int hashCode() {
        int hash = 0;
        hash += (id != null ? id.hashCode() : 0);
        return hash;
    }

    @Override
    public boolean equals(Object object) {
        // TODO: Warning - this method won't work in the case the id fields are not set
        if (!(object instanceof Company)) {
            return false;
        }
        Company other = (Company) object;
        if ((this.id == null && other.id != null) || (this.id != null && !this.id.equals(other.id))) {
            return false;
        }
        return true;
    }

    @Override
    public String toString() {
        return "entities.Company[ id=" + id + " ]";
    }
    
}

/*
 * 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 session;

import entities.Company;
import java.util.List;
import javax.ejb.Remote;

/**
 *
 * @author DiepTV
 */
@Remote
public interface CompanySessionBeanRemote {
    List<Company> findAll();
    
    Company find(int id);
    
    void insert(Company company);
    
    void update(Company company);
}

CompanyEJB

/*
 * 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 session;

import entities.Company;
import java.util.List;
import javax.ejb.Stateless;
import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;
import javax.persistence.Query;

/**
 *
 * @author DiepTV
 */
@Stateless
public class CompanySessionBean implements CompanySessionBeanRemote {

    @Override
    public List<Company> findAll() {
        //Tao ket noi toi database
        EntityManagerFactory factory = Persistence.createEntityManagerFactory("CompanyLibsPU");
        EntityManager em = factory.createEntityManager();
        
        Query q = em.createNamedQuery("Company.findAll", Company.class);
        
        return q.getResultList();
    }

    @Override
    public Company find(int id) {
        EntityManagerFactory factory = Persistence.createEntityManagerFactory("CompanyLibsPU");
        EntityManager em = factory.createEntityManager();
        
        return em.find(Company.class, id);
    }

    @Override
    public void insert(Company company) {
        EntityManagerFactory factory = Persistence.createEntityManagerFactory("CompanyLibsPU");
        EntityManager em = factory.createEntityManager();
        
        em.getTransaction().begin();
        em.persist(company);
        em.getTransaction().commit();
    }

    @Override
    public void update(Company company) {
        EntityManagerFactory factory = Persistence.createEntityManagerFactory("CompanyLibsPU");
        EntityManager em = factory.createEntityManager();
        Company cmpFind = em.find(Company.class, company.getId());
        
        em.getTransaction().begin();
        cmpFind.setAddress(company.getAddress());
        cmpFind.setCompanyKey(company.getCompanyKey());
        cmpFind.setDescription(company.getDescription());
        cmpFind.setEnabled(company.getEnabled());
        cmpFind.setName(company.getName());
        em.getTransaction().commit();
    }

    // Add business logic below. (Right-click in editor and choose
    // "Insert Code > Add Business Method")
}

CompanyClient

/*
 * 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 company;

import entities.Company;
import java.util.List;
import javax.ejb.EJB;
import javax.swing.JOptionPane;
import javax.swing.table.DefaultTableModel;
import session.CompanySessionBeanRemote;

/**
 *
 * @author DiepTV
 */
public class MainFrame extends javax.swing.JFrame {
    @EJB
    private static CompanySessionBeanRemote companySessionBean;
    
    DefaultTableModel tableModel;
    /**
     * Creates new form MainFrame
     */
    public MainFrame() {
        initComponents();
        
        tableModel = (DefaultTableModel) tblCompany.getModel();
    }

    /**
     * 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")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">                          
    private void initComponents() {

        jPanel1 = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        txtId = new javax.swing.JTextField();
        jLabel2 = new javax.swing.JLabel();
        txtName = new javax.swing.JTextField();
        jLabel3 = new javax.swing.JLabel();
        txtCompanyKey = new javax.swing.JTextField();
        jLabel4 = new javax.swing.JLabel();
        txtAddress = new javax.swing.JTextField();
        cbEnabled = new javax.swing.JCheckBox();
        jLabel5 = new javax.swing.JLabel();
        jScrollPane1 = new javax.swing.JScrollPane();
        txtDescription = new javax.swing.JTextArea();
        btnShowAll = new javax.swing.JButton();
        btnFind = new javax.swing.JButton();
        btnUpdate = new javax.swing.JButton();
        jScrollPane2 = new javax.swing.JScrollPane();
        tblCompany = new javax.swing.JTable();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jPanel1.setBorder(javax.swing.BorderFactory.createTitledBorder("Input Company Information"));

        jLabel1.setText("ID: ");

        jLabel2.setText("Name: ");

        jLabel3.setText("Company Key: ");

        jLabel4.setText("Address: ");

        cbEnabled.setText("Enabled");

        jLabel5.setText("Description:");

        txtDescription.setColumns(20);
        txtDescription.setRows(5);
        jScrollPane1.setViewportView(txtDescription);

        btnShowAll.setText("Show All");
        btnShowAll.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnShowAllActionPerformed(evt);
            }
        });

        btnFind.setText("Find");
        btnFind.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnFindActionPerformed(evt);
            }
        });

        btnUpdate.setText("Update");
        btnUpdate.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                btnUpdateActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1);
        jPanel1.setLayout(jPanel1Layout);
        jPanel1Layout.setHorizontalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addGap(19, 19, 19)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addComponent(jLabel5)
                        .addGap(0, 0, Short.MAX_VALUE))
                    .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, jPanel1Layout.createSequentialGroup()
                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addGroup(javax.swing.GroupLayout.Alignment.LEADING, jPanel1Layout.createSequentialGroup()
                                .addComponent(jLabel1)
                                .addGap(89, 89, 89)
                                .addComponent(txtId, javax.swing.GroupLayout.PREFERRED_SIZE, 242, javax.swing.GroupLayout.PREFERRED_SIZE)
                                .addGap(18, 18, 18)
                                .addComponent(btnShowAll))
                            .addGroup(javax.swing.GroupLayout.Alignment.LEADING, jPanel1Layout.createSequentialGroup()
                                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(jLabel3)
                                    .addComponent(jLabel4)
                                    .addComponent(jLabel2))
                                .addGap(34, 34, 34)
                                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                    .addComponent(txtName, javax.swing.GroupLayout.PREFERRED_SIZE, 242, javax.swing.GroupLayout.PREFERRED_SIZE)
                                    .addGroup(jPanel1Layout.createSequentialGroup()
                                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                                            .addComponent(txtAddress, javax.swing.GroupLayout.DEFAULT_SIZE, 242, Short.MAX_VALUE)
                                            .addComponent(txtCompanyKey, javax.swing.GroupLayout.DEFAULT_SIZE, 242, Short.MAX_VALUE)
                                            .addComponent(cbEnabled)
                                            .addComponent(jScrollPane1))
                                        .addGap(18, 18, 18)
                                        .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                            .addComponent(btnFind)
                                            .addComponent(btnUpdate))))))
                        .addContainerGap(20, Short.MAX_VALUE))))
        );
        jPanel1Layout.setVerticalGroup(
            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(jPanel1Layout.createSequentialGroup()
                .addContainerGap()
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel1)
                    .addComponent(txtId, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(btnShowAll))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(txtName, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3)
                    .addComponent(txtCompanyKey, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(btnFind))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel4)
                    .addComponent(txtAddress, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(btnUpdate))
                .addGap(18, 18, 18)
                .addComponent(cbEnabled)
                .addGroup(jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addGap(29, 29, 29)
                        .addComponent(jLabel5))
                    .addGroup(jPanel1Layout.createSequentialGroup()
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        tblCompany.setModel(new javax.swing.table.DefaultTableModel(
            new Object [][] {

            },
            new String [] {
                "ID", "Name", "Company Key", "Address", "Enabled", "Description"
            }
        ) {
            boolean[] canEdit = new boolean [] {
                false, false, false, false, false, false
            };

            public boolean isCellEditable(int rowIndex, int columnIndex) {
                return canEdit [columnIndex];
            }
        });
        jScrollPane2.setViewportView(tblCompany);

        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)
                    .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                    .addComponent(jScrollPane2))
                .addContainerGap())
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addContainerGap()
                .addComponent(jPanel1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.UNRELATED)
                .addComponent(jScrollPane2, javax.swing.GroupLayout.PREFERRED_SIZE, 154, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addContainerGap(javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE))
        );

        pack();
    }// </editor-fold>                        

    private void btnShowAllActionPerformed(java.awt.event.ActionEvent evt) {                                           
        // TODO add your handling code here:
        List<Company> list = companySessionBean.findAll();
        
        tableModel.setRowCount(0);
        
        for (Company company : list) {
            tableModel.addRow(new Object[]{company.getId(), company.getName(), company.getCompanyKey(), 
            company.getAddress(), company.getEnabled(), company.getDescription()});
        }
    }                                          

    private void btnFindActionPerformed(java.awt.event.ActionEvent evt) {                                        
        // TODO add your handling code here:
        if(txtId.getText().trim().length() == 0) {
            JOptionPane.showMessageDialog(this, "Nhap ID can tim kiem");
            return;
        }
        
        int id = Integer.parseInt(txtId.getText());
        
        Company company = companySessionBean.find(id);
        
        if(company != null) {
            txtName.setText(company.getName());
            txtCompanyKey.setText(company.getCompanyKey());
            txtAddress.setText(company.getAddress());
            if(company.getEnabled() == 1) {
                cbEnabled.setSelected(true);
            } else {
                cbEnabled.setSelected(false);
            }
            txtDescription.setText(company.getDescription());
        } else {
            JOptionPane.showMessageDialog(this, "Khong tim thay thong tin cty vs ID nhap vao");
        }
    }                                       

    private void btnUpdateActionPerformed(java.awt.event.ActionEvent evt) {                                          
        // TODO add your handling code here:
        Company company = new Company();
        company.setId(Integer.parseInt(txtId.getText()));
        company.setName(txtName.getText());
        company.setAddress(txtAddress.getText());
        company.setCompanyKey(txtCompanyKey.getText());
        if(cbEnabled.isSelected()) {
            company.setEnabled(1);
        } else {
            company.setEnabled(0);
        }
        company.setDescription(txtDescription.getText());
        
        companySessionBean.update(company);
    }                                         

    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* 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(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(MainFrame.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

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

    // Variables declaration - do not modify                     
    private javax.swing.JButton btnFind;
    private javax.swing.JButton btnShowAll;
    private javax.swing.JButton btnUpdate;
    private javax.swing.JCheckBox cbEnabled;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JPanel jPanel1;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JScrollPane jScrollPane2;
    private javax.swing.JTable tblCompany;
    private javax.swing.JTextField txtAddress;
    private javax.swing.JTextField txtCompanyKey;
    private javax.swing.JTextArea txtDescription;
    private javax.swing.JTextField txtId;
    private javax.swing.JTextField txtName;
    // End of variables declaration                   
}