com.altcolorlab.simplehibernategui.FXMLController.java Source code

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Here is the source code for com.altcolorlab.simplehibernategui.FXMLController.java

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package com.altcolorlab.simplehibernategui;

import static com.sun.glass.ui.Cursor.setVisible;
import java.net.URL;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.ResourceBundle;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.fxml.FXML;
import javafx.fxml.Initializable;
import javafx.scene.control.Button;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.control.TextField;
import javafx.scene.control.cell.PropertyValueFactory;
import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.hibernate.cfg.Configuration;

/**
 * FXML Controller class
 *
 * @author justink
 */
public class FXMLController implements Initializable {

    @FXML
    private TextField tfFirstName;
    @FXML
    private TextField tfLastName;
    @FXML
    private TextField tfSalary;
    @FXML
    private TableView<Employee> tableview;
    @FXML
    private TableColumn<Employee, Integer> ID;
    @FXML
    private TableColumn<Employee, String> fNameCol;
    @FXML
    private TableColumn<Employee, String> lNameCol;
    @FXML
    private TableColumn<Employee, Integer> salaryCol;
    @FXML
    public ObservableList<Employee> data;

    //Population of the data table with database information
    @Override
    public void initialize(URL location, ResourceBundle resources) {

        //Setting up each column and then population the column with the desired data
        ID.setCellValueFactory(new PropertyValueFactory<Employee, Integer>("id"));
        fNameCol.setCellValueFactory(new PropertyValueFactory<Employee, String>("firstName"));
        lNameCol.setCellValueFactory(new PropertyValueFactory<Employee, String>("lastName"));
        salaryCol.setCellValueFactory(new PropertyValueFactory<Employee, Integer>("salary"));
        //instantiating an arraylist      
        data = FXCollections.observableArrayList();
        //getting the initial sessionFactory from HibernateUtil Class
        SessionFactory sf = HibernateUtil.getSessionFactory();
        //opening the session
        Session session = sf.openSession();
        //setting transaction to null
        Transaction tx = null;
        try {
            //starting the transaction 
            tx = session.beginTransaction();
            //creating a list and querying from the POJO
            List employees = session.createQuery("FROM Employee").list();
            //iterating over the database
            for (Iterator iterator = employees.iterator(); iterator.hasNext();) {

                Employee employee = (Employee) iterator.next();
                data.add(employee);
            }
            tx.commit();
        } catch (HibernateException e) {
            if (tx != null)
                tx.rollback();
            e.printStackTrace();
        } finally {
            //closing session
            session.close();
            //adding the data to the table
            tableview.setItems(data);
        }
    }

    @FXML
    private void handleButtonAction() {
        String firstName = tfFirstName.getText();
        String lastName = tfLastName.getText();
        Integer money = Integer.parseInt(tfSalary.getText());
        Integer employeeId;
        ManageEmployee emp1 = new ManageEmployee();
        employeeId = emp1.addEmployee(firstName, lastName, money);
        //Setting up each column and then population the column with the desired data
        ID.setCellValueFactory(new PropertyValueFactory<Employee, Integer>("id"));
        fNameCol.setCellValueFactory(new PropertyValueFactory<Employee, String>("firstName"));
        lNameCol.setCellValueFactory(new PropertyValueFactory<Employee, String>("lastName"));
        salaryCol.setCellValueFactory(new PropertyValueFactory<Employee, Integer>("salary"));
        //instantiating an arraylist      
        data = FXCollections.observableArrayList();
        //getting the initial sessionFactory from HibernateUtil Class
        SessionFactory sf = HibernateUtil.getSessionFactory();
        //opening the session
        Session session = sf.openSession();
        //setting transaction to null
        Transaction tx = null;
        try {
            //starting the transaction 
            tx = session.beginTransaction();
            //creating a list and querying from the POJO
            List employees = session.createQuery("FROM Employee").list();
            //iterating over the database
            for (Iterator iterator = employees.iterator(); iterator.hasNext();) {

                Employee employee = (Employee) iterator.next();
                data.add(employee);
            }
            tx.commit();
        } catch (HibernateException e) {
            if (tx != null)
                tx.rollback();
            e.printStackTrace();
        } finally {
            //closing session
            session.close();
            //adding the data to the table
            tableview.setItems(data);
            //clears text fields    
            tfFirstName.clear();
            tfLastName.clear();
            tfSalary.clear();
        }
    }

}