net.neurowork.cenatic.centraldir.dao.impl.HibernateSectorDaoImpl.java Source code

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/*
 * 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.CantDeleteEntityException;
import net.neurowork.cenatic.centraldir.dao.DaoException;
import net.neurowork.cenatic.centraldir.dao.SectorDao;
import net.neurowork.cenatic.centraldir.model.satelite.Sector;

import org.hibernate.ObjectNotFoundException;
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.dao.DataAccessException;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

/**
 *
 * @author Alejandro Sanchez Acosta <asanchez@neurowork.net> http://www.neurowork.net
 * @since 03/12/2010
 */
public class HibernateSectorDaoImpl extends HibernateDaoSupport implements SectorDao {
    private final static Logger logger = LoggerFactory.getLogger(HibernateSectorDaoImpl.class);

    @Override
    public void save(Sector sector) throws DaoException {
        if (logger.isTraceEnabled())
            logger.trace("Saving Sector: " + sector);
        getHibernateTemplate().saveOrUpdate(sector);
    }

    @Override
    public Sector findById(Integer id) throws DaoException {
        if (logger.isTraceEnabled())
            logger.trace("Loading Sector width id: " + id);
        try {
            return getHibernateTemplate().load(Sector.class, id);
        } catch (ObjectNotFoundException e) {
            return null;
        } catch (DataAccessException e) {
            throw new DaoException(e.getMessage());
        }
    }

    @SuppressWarnings("unchecked")
    @Override
    public Collection<Sector> findByName(String name) throws DaoException {
        if (logger.isTraceEnabled())
            logger.trace("Hibernate Searching Sector with name:" + name);
        DetachedCriteria criteria = DetachedCriteria.forClass(Sector.class);
        criteria.add(Restrictions.like("name", "%" + name + "%"));
        criteria.addOrder(Order.asc("name"));
        return (List<Sector>) getHibernateTemplate().findByCriteria(criteria);
    }

    @Override
    public List<Sector> getAll() throws DaoException {
        if (logger.isTraceEnabled())
            logger.trace("Loading all Sectores");
        return getHibernateTemplate().loadAll(Sector.class);
    }

    @Override
    public void delete(Sector sector) throws DaoException, CantDeleteEntityException {
        if (logger.isTraceEnabled())
            logger.trace("Deleting Sector:" + sector);

        try {
            getHibernateTemplate().delete(sector);
            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());
        }
    }
}