Dao.PersonDAO.java Source code

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Here is the source code for Dao.PersonDAO.java

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/*
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package Dao;

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

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

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

    private SessionFactory sessionFactory;

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

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

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

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

    public Person getPersonById(String ssn) {
        Session session = this.sessionFactory.getCurrentSession();
        Person u = (Person) session.load(Person.class, ssn);
        logger.info("Person loaded successfully, Person details=" + u);
        return u;
    }

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

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

}