Java tutorial
/* * Copyright 2010 CENATIC * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package net.neurowork.cenatic.centraldir.dao.impl; import java.util.Collection; import java.util.List; import net.neurowork.cenatic.centraldir.dao.AsociacionDao; import net.neurowork.cenatic.centraldir.dao.CantDeleteEntityException; import net.neurowork.cenatic.centraldir.dao.DaoException; import net.neurowork.cenatic.centraldir.model.satelite.Asociacion; import org.hibernate.criterion.DetachedCriteria; import org.hibernate.criterion.Order; import org.hibernate.criterion.Restrictions; import org.hibernate.exception.ConstraintViolationException; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; /** * * @author Alejandro Sanchez Acosta <asanchez@neurowork.net> http://www.neurowork.net * @since 03/12/2010 */ public class HibernateAsociacionDaoImpl extends HibernateDaoSupport implements AsociacionDao { private final static Logger logger = LoggerFactory.getLogger(HibernateAsociacionDaoImpl.class); @Override public void save(Asociacion asociacion) throws DaoException { if (logger.isTraceEnabled()) logger.trace("Saving Asociacion: " + asociacion); getHibernateTemplate().saveOrUpdate(asociacion); } @Override public Asociacion findById(Integer id) throws DaoException { if (logger.isTraceEnabled()) logger.trace("Loading Asociacion width id: " + id); return getHibernateTemplate().load(Asociacion.class, id); } @SuppressWarnings("unchecked") @Override public Collection<Asociacion> findByName(String name) throws DaoException { if (logger.isTraceEnabled()) logger.trace("Hibernate Searching Asociacion with name:" + name); DetachedCriteria criteria = DetachedCriteria.forClass(Asociacion.class); criteria.add(Restrictions.like("name", "%" + name + "%")); criteria.addOrder(Order.asc("name")); return (List<Asociacion>) getHibernateTemplate().findByCriteria(criteria); } @Override public Collection<Asociacion> getAll() throws DaoException { if (logger.isTraceEnabled()) logger.trace("Loading all Asociaciones"); return getHibernateTemplate().loadAll(Asociacion.class); } @Override public void delete(Asociacion asociacion) throws DaoException { if (logger.isTraceEnabled()) logger.trace("Deleting Asociacion:" + asociacion); try { getHibernateTemplate().delete(asociacion); if (logger.isTraceEnabled()) logger.trace("Deleting Complete. Flusing"); getHibernateTemplate().flush(); if (logger.isTraceEnabled()) logger.trace("Flusing Complete"); } catch (ConstraintViolationException e) { throw new CantDeleteEntityException(e.getMessage()); } } }