package dao.impl;
import dao.LinkDao;
import org.hibernate.HibernateException;
import org.hibernate.Query;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.springframework.orm.hibernate3.HibernateCallback;
import org.springframework.orm.hibernate3.HibernateTemplate;
import pojo.Link;
import java.io.Serializable;
import java.sql.SQLException;
import java.util.List;
/**
* User: wangyan
* Date: 12-5-23
* Time: 上午10:18
*/
public class LinkDaoImpl implements LinkDao {
private HibernateTemplate template;
private SessionFactory factory;
public HibernateTemplate getTemplate() {
if (template == null) {
template = new HibernateTemplate(this.factory);
}
return template;
}
public void setTemplate(HibernateTemplate template) {
this.template = template;
}
public SessionFactory getFactory() {
return factory;
}
public void setFactory(SessionFactory factory) {
this.factory = factory;
}
@Override
public Serializable saveLink(Link link) {
return this.getTemplate().save(link);
}
@Override
public void updateLink(Link link) {
this.getTemplate().saveOrUpdate(link);
}
@Override
public void deleteLinkById(final int id) {
List links = this.getTemplate().executeFind(new HibernateCallback<Object>() {
@Override
public Object doInHibernate(Session session) throws HibernateException, SQLException {
Query query = session.createQuery("from Link as l where l.id= :id").setInteger("id", id);
return query.list();
}
});
Link link= (Link) links.get(0);
this.getTemplate().delete(link);
}
@Override
public List<Link> getAllLink() {
List links = this.getTemplate().executeFind(new HibernateCallback<Object>() {
@Override
public Object doInHibernate(Session session) throws HibernateException, SQLException {
Query query = session.createQuery("from Link ");
query.setMaxResults(5);
return query.list();
}
});
return links;
}
}