Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package dao; import java.util.List; import modelo.Factura; import org.hibernate.Criteria; import org.hibernate.criterion.Restrictions; import org.springframework.stereotype.Repository; @Repository("FacturaDao") public class FacturaDaoImpl extends AbstractDao<Long, Factura> implements FacturaDao { @Override public Factura findbyCodigo(Long codigo) { Factura factura = getByKey(codigo); return factura; } @Override public void save(Factura factura) { persist(factura); } @Override public void DeletebyCodigo(Long codigo) { Criteria crit = createEntityCriteria(); crit.add(Restrictions.eq("codigo", codigo)); Factura factura = (Factura) crit.uniqueResult(); delete(factura); } @Override public List<Factura> findAll() { Criteria criteria = createEntityCriteria(); criteria.setResultTransformer(Criteria.DISTINCT_ROOT_ENTITY);//To avoid duplicates. List<Factura> factura = (List<Factura>) criteria.list(); return factura; } }