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 pe.gob.mef.gescon.hibernate.impl; import java.util.HashMap; import java.util.List; import org.hibernate.Criteria; import org.hibernate.HibernateException; import org.hibernate.Query; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.orm.hibernate4.HibernateCallback; import org.springframework.orm.hibernate4.support.HibernateDaoSupport; import org.springframework.stereotype.Repository; import pe.gob.mef.gescon.hibernate.dao.UbigeoEntidadDao; /** * * @author JJacobo */ @Repository(value = "UbigeoEntidadDao") public class UbigeoEntidadDaoImpl extends HibernateDaoSupport implements UbigeoEntidadDao { /** * Crea una nueva instancia de UbigeoEntidadDaoImpl * * @param sessionFactory */ @Autowired public UbigeoEntidadDaoImpl(SessionFactory sessionFactory) { this.setSessionFactory(sessionFactory); } @Override public List<HashMap> getDepartamentos() throws Exception { final StringBuilder sql = new StringBuilder(); Object object = null; try { sql.append("SELECT DISTINCT t.CDEPARTAMENTO AS COD, t.VDESCRIPCION AS DES "); sql.append("FROM MTUBIGEO_ENTIDAD t where cProvincia=00 and cDistrito=00"); sql.append("ORDER BY t.CDEPARTAMENTO "); object = getHibernateTemplate().execute(new HibernateCallback() { @Override public Object doInHibernate(Session session) throws HibernateException { Query query = session.createSQLQuery(sql.toString()); query.setResultTransformer(Criteria.ALIAS_TO_ENTITY_MAP); return query.list(); } }); } catch (Exception e) { e.getMessage(); e.printStackTrace(); } return (List<HashMap>) object; } @Override public List<HashMap> getProvinciasPorDepartamento(final String coddep) throws Exception { final StringBuilder sql = new StringBuilder(); Object object = null; try { sql.append("SELECT DISTINCT t.CPROVINCIA AS COD, t.VDESCRIPCION AS DES "); sql.append("FROM MTUBIGEO_ENTIDAD t "); sql.append("WHERE t.CDEPARTAMENTO = :CODDEP and t.CPROVINCIA != '00' and t.cDistrito ='00'"); sql.append("ORDER BY t.CPROVINCIA "); object = getHibernateTemplate().execute(new HibernateCallback() { @Override public Object doInHibernate(Session session) throws HibernateException { Query query = session.createSQLQuery(sql.toString()); query.setResultTransformer(Criteria.ALIAS_TO_ENTITY_MAP); query.setParameter("CODDEP", coddep); return query.list(); } }); } catch (Exception e) { e.getMessage(); e.printStackTrace(); } return (List<HashMap>) object; } @Override public List<HashMap> getDistritosPorProvincia(final String coddep, final String codprov) throws Exception { final StringBuilder sql = new StringBuilder(); Object object = null; try { sql.append("SELECT DISTINCT t.CDISTRITO AS COD, t.VDESCRIPCION AS DES "); sql.append("FROM MTUBIGEO_ENTIDAD t "); sql.append("WHERE t.CDEPARTAMENTO = :CODDEP "); sql.append("AND t.CPROVINCIA = :CODPROV and t.cDistrito!='00'"); sql.append("ORDER BY t.CDISTRITO "); object = getHibernateTemplate().execute(new HibernateCallback() { @Override public Object doInHibernate(Session session) throws HibernateException { Query query = session.createSQLQuery(sql.toString()); query.setResultTransformer(Criteria.ALIAS_TO_ENTITY_MAP); query.setParameter("CODDEP", coddep); query.setParameter("CODPROV", codprov); return query.list(); } }); } catch (Exception e) { e.getMessage(); e.printStackTrace(); } return (List<HashMap>) object; } }