Java tutorial
/* * The MIT License * * Copyright 2012 jdmr. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package mx.edu.um.mateo.colportor.dao; import java.util.HashMap; import java.util.Map; import mx.edu.um.mateo.colportor.model.Asociacion; import mx.edu.um.mateo.colportor.model.Union; import mx.edu.um.mateo.general.dao.ReporteDao; import mx.edu.um.mateo.general.model.Usuario; import mx.edu.um.mateo.general.utils.Constantes; import org.hibernate.Criteria; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.criterion.*; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Repository; import org.springframework.transaction.annotation.Transactional; /** * * @author jdmr */ @Repository @Transactional public class UnionDao { private static final Logger log = LoggerFactory.getLogger(UnionDao.class); @Autowired private SessionFactory sessionFactory; @Autowired private ReporteDao reporteDao; @Autowired private AsociacionDao asociacionDao; public UnionDao() { log.info("Nueva instancia de UnionDao"); } private Session currentSession() { return sessionFactory.getCurrentSession(); } public Map<String, Object> lista(Map<String, Object> params) { log.debug("Buscando lista de uniones con params {}", params); if (params == null) { params = new HashMap<>(); } if (!params.containsKey(Constantes.CONTAINSKEY_MAX)) { params.put(Constantes.CONTAINSKEY_MAX, 10); } else { params.put(Constantes.CONTAINSKEY_MAX, Math.min((Integer) params.get(Constantes.CONTAINSKEY_MAX), 100)); } if (params.containsKey(Constantes.CONTAINSKEY_PAGINA)) { Long pagina = (Long) params.get(Constantes.CONTAINSKEY_PAGINA); Long offset = (pagina - 1) * (Integer) params.get(Constantes.CONTAINSKEY_MAX); params.put(Constantes.CONTAINSKEY_OFFSET, offset.intValue()); } if (!params.containsKey(Constantes.CONTAINSKEY_OFFSET)) { params.put(Constantes.CONTAINSKEY_OFFSET, 0); } Criteria criteria = currentSession().createCriteria(Union.class); Criteria countCriteria = currentSession().createCriteria(Union.class); if (params.containsKey(Constantes.CONTAINSKEY_FILTRO)) { String filtro = (String) params.get(Constantes.CONTAINSKEY_FILTRO); Disjunction propiedades = Restrictions.disjunction(); propiedades.add(Restrictions.ilike("nombre", filtro, MatchMode.ANYWHERE)); criteria.add(propiedades); countCriteria.add(propiedades); } if (params.containsKey(Constantes.CONTAINSKEY_ORDER)) { String campo = (String) params.get(Constantes.CONTAINSKEY_ORDER); if (params.get(Constantes.CONTAINSKEY_SORT).equals(Constantes.CONTAINSKEY_DESC)) { criteria.addOrder(Order.desc(campo)); } else { criteria.addOrder(Order.asc(campo)); } } if (!params.containsKey(Constantes.CONTAINSKEY_REPORTE)) { criteria.setFirstResult((Integer) params.get(Constantes.CONTAINSKEY_OFFSET)); criteria.setMaxResults((Integer) params.get(Constantes.CONTAINSKEY_MAX)); } params.put(Constantes.CONTAINSKEY_UNIONES, criteria.list()); countCriteria.setProjection(Projections.rowCount()); params.put(Constantes.CONTAINSKEY_CANTIDAD, (Long) countCriteria.list().get(0)); return params; } public Union obtiene(Long id) { Union union = (Union) currentSession().get(Union.class, id); return union; } public Union crea(Union union) { return this.crea(union, null); } public Union crea(Union union, Usuario usuario) { Session session = currentSession(); session.save(union); Asociacion asociacion = new Asociacion("Asociacion del Noreste", Constantes.STATUS_ACTIVO, union); if (usuario != null) { usuario.setAsociacion(asociacion); } asociacionDao.crea(asociacion, usuario); reporteDao.inicializaUnion(union); session.refresh(union); session.flush(); return union; } public Union actualiza(Union union) { return this.actualiza(union, null); } public Union actualiza(Union union, Usuario usuario) { Session session = currentSession(); log.debug("NombreCompleto: {}", union.getNombre()); session.update(union); session.merge(union); session.flush(); if (usuario != null) { session.refresh(union); actualizaUsuario: for (Asociacion asociacion : union.getAsociaciones()) { usuario.setAsociacion(asociacion); session.update(usuario); break actualizaUsuario; } } session.flush(); return union; } public String elimina(Long id) { log.debug("Eliminando union {}", id); Union union = obtiene(id); String nombre = union.getNombre(); union.setStatus(Constantes.STATUS_INACTIVO); actualiza(union); return nombre; } }