np.com.drose.studentmanagementsystem.dao.impl.EmployeeDAOImpl.java Source code

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Here is the source code for np.com.drose.studentmanagementsystem.dao.impl.EmployeeDAOImpl.java

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package np.com.drose.studentmanagementsystem.dao.impl;

import java.io.Serializable;
import java.util.List;
import javax.transaction.Transactional;
import np.com.drose.studentmanagementsystem.dao.EmployeeDAO;
import np.com.drose.studentmanagementsystem.model.Employee;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.Transaction;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Repository;

/**
 *
 * @author bibekshakya
 */
@Repository
public class EmployeeDAOImpl implements EmployeeDAO {
    @Autowired
    SessionFactory sessionfactory;

    public SessionFactory getSessionfactory() {
        return sessionfactory;
    }

    @Override
    @Transactional
    public int insertEmployee(Employee employee) {
        Session session = sessionfactory.openSession();
        Transaction tx = session.beginTransaction();
        session.saveOrUpdate(employee);
        tx.commit();
        Serializable id = session.getIdentifier(employee);
        session.close();
        return (Integer) id;
    }

    @Transactional
    @Override
    public List<Employee> getEmployeeList() {
        Session session = sessionfactory.openSession();
        Transaction tx = session.beginTransaction();
        List<Employee> employeeList = session.createCriteria(Employee.class).list();
        tx.commit();
        session.close();
        return employeeList;

    }

    @Transactional
    @Override
    public Employee getEmployeeByid(int id) {
        Session session = sessionfactory.openSession();
        Transaction tx = session.beginTransaction();
        Employee employee = (Employee) session.get(Employee.class, id);
        tx.commit();
        session.close();
        return employee;
    }

}