Java tutorial
/* * The MIT License * * Copyright 2012 Universidad de Montemorelos A. C. * * 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.inventario.dao.impl; import java.util.Calendar; import java.util.Date; import java.util.HashMap; import java.util.Map; import mx.edu.um.mateo.general.dao.BaseDao; import mx.edu.um.mateo.general.model.Usuario; import mx.edu.um.mateo.inventario.dao.CancelacionDao; import mx.edu.um.mateo.inventario.model.Almacen; import mx.edu.um.mateo.inventario.model.Cancelacion; import mx.edu.um.mateo.inventario.model.Folio; import org.hibernate.Criteria; import org.hibernate.LockOptions; import org.hibernate.Query; import org.hibernate.criterion.Disjunction; import org.hibernate.criterion.MatchMode; import org.hibernate.criterion.Order; import org.hibernate.criterion.Projections; import org.hibernate.criterion.Restrictions; import org.springframework.stereotype.Repository; import org.springframework.transaction.annotation.Transactional; /** * * @author J. David Mendoza <jdmendoza@um.edu.mx> */ @Repository @Transactional public class CancelacionDaoHibernate extends BaseDao implements CancelacionDao { public CancelacionDaoHibernate() { log.info("Nueva instance de CancelacionDao"); } @Override @Transactional(readOnly = true) public Map<String, Object> lista(Map<String, Object> params) { log.debug("Buscando lista de cancelaciones con params {}", params); if (params == null) { params = new HashMap<>(); } if (!params.containsKey("max")) { params.put("max", 10); } else { params.put("max", Math.min((Integer) params.get("max"), 100)); } if (params.containsKey("pagina")) { Long pagina = (Long) params.get("pagina"); Long offset = (pagina - 1) * (Integer) params.get("max"); params.put("offset", offset.intValue()); } if (!params.containsKey("offset")) { params.put("offset", 0); } Criteria criteria = currentSession().createCriteria(Cancelacion.class); Criteria countCriteria = currentSession().createCriteria(Cancelacion.class); if (params.containsKey("almacen")) { criteria.createCriteria("almacen").add(Restrictions.idEq(params.get("almacen"))); countCriteria.createCriteria("almacen").add(Restrictions.idEq(params.get("almacen"))); } if (params.containsKey("fechaIniciado")) { log.debug("Buscando desde {}", params.get("fechaIniciado")); criteria.add(Restrictions.ge("fechaCreacion", params.get("fechaIniciado"))); countCriteria.add(Restrictions.ge("fechaCreacion", params.get("fechaIniciado"))); } else { Calendar calendar = Calendar.getInstance(); calendar.set(Calendar.DAY_OF_MONTH, 1); calendar.set(Calendar.HOUR_OF_DAY, 0); calendar.set(Calendar.MINUTE, 0); calendar.set(Calendar.SECOND, 0); calendar.set(Calendar.MILLISECOND, 1); log.debug("Asignando busqueda desde {}", calendar.getTime()); criteria.add(Restrictions.ge("fechaCreacion", calendar.getTime())); countCriteria.add(Restrictions.ge("fechaCreacion", calendar.getTime())); } if (params.containsKey("fechaTerminado")) { log.debug("Buscando hasta {}", params.get("fechaTerminado")); criteria.add(Restrictions.le("fechaCreacion", params.get("fechaTerminado"))); countCriteria.add(Restrictions.le("fechaCreacion", params.get("fechaTerminado"))); } if (params.containsKey("filtro")) { String filtro = (String) params.get("filtro"); Disjunction propiedades = Restrictions.disjunction(); propiedades.add(Restrictions.ilike("folio", filtro, MatchMode.ANYWHERE)); propiedades.add(Restrictions.ilike("comentarios", filtro, MatchMode.ANYWHERE)); criteria.add(propiedades); countCriteria.add(propiedades); } if (params.containsKey("order")) { String campo = (String) params.get("order"); if (params.get("sort").equals("desc")) { criteria.addOrder(Order.desc(campo)); } else { criteria.addOrder(Order.asc(campo)); } } else { criteria.addOrder(Order.desc("fechaCreacion")); } if (!params.containsKey("reporte")) { criteria.setFirstResult((Integer) params.get("offset")); criteria.setMaxResults((Integer) params.get("max")); } params.put("cancelaciones", criteria.list()); countCriteria.setProjection(Projections.rowCount()); params.put("cantidad", (Long) countCriteria.list().get(0)); return params; } @Override @Transactional(readOnly = true) public Cancelacion obtiene(Long id) { return (Cancelacion) currentSession().get(Cancelacion.class, id); } @Override public Cancelacion crea(Cancelacion cancelacion) { return this.crea(cancelacion, null); } @Override public Cancelacion crea(Cancelacion cancelacion, Usuario usuario) { Date fecha = new Date(); cancelacion.setCreador((usuario != null) ? usuario.getUsername() : "sistema"); cancelacion.setFechaCreacion(fecha); currentSession().save(cancelacion); return cancelacion; } @Override public String getFolio(Almacen almacen) { Query query = currentSession() .createQuery("select f from Folio f where f.nombre = :nombre and f.almacen.id = :almacenId"); query.setString("nombre", "CANCELACION"); query.setLong("almacenId", almacen.getId()); query.setLockOptions(LockOptions.UPGRADE); Folio folio = (Folio) query.uniqueResult(); if (folio == null) { folio = new Folio("CANCELACION"); folio.setAlmacen(almacen); currentSession().save(folio); return getFolio(almacen); } folio.setValor(folio.getValor() + 1); java.text.NumberFormat nf = java.text.DecimalFormat.getInstance(); nf.setGroupingUsed(false); nf.setMinimumIntegerDigits(9); nf.setMaximumIntegerDigits(9); nf.setMaximumFractionDigits(0); StringBuilder sb = new StringBuilder(); sb.append("C-"); sb.append(almacen.getEmpresa().getOrganizacion().getCodigo()); sb.append(almacen.getEmpresa().getCodigo()); sb.append(almacen.getCodigo()); sb.append(nf.format(folio.getValor())); return sb.toString(); } }