Dao.EmployeeDAO.java Source code

Introduction

Here is the source code for Dao.EmployeeDAO.java

Source

/*
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package Dao;

import Model.Customer;
import java.util.List;

import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Repository;

import Model.Employee;
import Model.Person;
import org.hibernate.criterion.Restrictions;

/**
 *
 * @author charles
 */
@Repository
public class EmployeeDAO {

    private static final Logger logger = LoggerFactory.getLogger(EmployeeDAO.class);

    private SessionFactory sessionFactory;

    public void setSessionFactory(SessionFactory sf) {
        this.sessionFactory = sf;
    }

    public void addEmployee(Employee u) {
        Session session = this.sessionFactory.getCurrentSession();
        session.persist(u);
        logger.info("Employee saved successfully, Employee Details=" + u);
    }

    public void updateEmployee(Employee u) {
        Session session = this.sessionFactory.getCurrentSession();
        session.update(u);
        logger.info("Employee updated successfully, Employee Details=" + u);
    }

    @SuppressWarnings("unchecked")
    public List<Employee> listEmployees() {
        Session session = this.sessionFactory.getCurrentSession();
        List<Employee> employeesList = session.createQuery("from Employee").list();
        for (Employee u : employeesList) {
            logger.info("Employee List::" + u);
        }
        return employeesList;
    }

    public Employee getEmployeeById(int id) {
        Session session = this.sessionFactory.getCurrentSession();
        Employee u = (Employee) session.load(Employee.class, new Integer(id));
        logger.info("Employee loaded successfully, Employee details=" + u);
        return u;
    }

    public Employee getEmployeeByEmail(String email) {
        Session session = this.sessionFactory.getCurrentSession();
        List employees = session.createCriteria(Employee.class).add(Restrictions.eq("email", email)).list();
        if (employees.isEmpty()) {
            return null;
        }
        Employee u = (Employee) employees.get(0);
        logger.info("Employee loaded successfully, Employee details=" + u);
        return u;
    }

    public Employee getEmployeeByPerson(Person person) {
        Session session = this.sessionFactory.getCurrentSession();
        List employees = session.createCriteria(Employee.class).add(Restrictions.eq("person", person)).list();
        if (employees.isEmpty()) {
            return null;
        }
        Employee u = (Employee) employees.get(0);
        logger.info("Account loaded successfully, Account details=" + u);
        return u;
    }

    public void removeEmployee(int id) {
        Session session = this.sessionFactory.getCurrentSession();
        Employee u = (Employee) session.load(Employee.class, new Integer(id));
        if (null != u) {
            session.delete(u);
        }
        logger.info("Employee deleted successfully, person details=" + u);
    }

}