net.neurowork.cenatic.centraldir.dao.impl.HibernateSateliteDaoImpl.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.DaoException;
import net.neurowork.cenatic.centraldir.dao.SateliteDao;
import net.neurowork.cenatic.centraldir.model.Satelite;
import net.neurowork.cenatic.centraldir.model.satelite.OrganizacionSatelite;

import org.hibernate.ObjectNotFoundException;
import org.hibernate.criterion.DetachedCriteria;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.ProjectionList;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Restrictions;
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 09/11/2010
 */
public class HibernateSateliteDaoImpl extends HibernateDaoSupport implements SateliteDao {
    private final static Logger logger = LoggerFactory.getLogger(HibernateSateliteDaoImpl.class);

    @Override
    public List<Satelite> getSatelites() throws DaoException {
        logger.trace("Loading all Satelites");
        return getHibernateTemplate().loadAll(Satelite.class);
    }

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

    @Override
    public void saveSatelite(Satelite satelite) throws DaoException {
        logger.trace("Saving Satelite: " + satelite);
        getHibernateTemplate().saveOrUpdate(satelite);
    }

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

    @SuppressWarnings("unchecked")
    @Override
    public Collection<Satelite> findActivado() throws DaoException {
        if (logger.isTraceEnabled())
            logger.trace("Hibernate Searching Active Satelites");
        DetachedCriteria criteria = DetachedCriteria.forClass(Satelite.class);
        criteria.add(Restrictions.eq("activado", Boolean.TRUE));
        criteria.addOrder(Order.asc("user"));
        return (List<Satelite>) getHibernateTemplate().findByCriteria(criteria);
    }

    @SuppressWarnings("rawtypes")
    @Override
    public Integer getOrganizacionesCount(Satelite satelite) throws DaoException {
        if (logger.isTraceEnabled())
            logger.trace("Hibernate Searching Total Organizaciones");
        DetachedCriteria criteria = DetachedCriteria.forClass(OrganizacionSatelite.class);

        ProjectionList projList = Projections.projectionList();
        projList.add(Projections.rowCount());
        criteria.setProjection(projList);
        criteria.add(Restrictions.eq("satelite", satelite));

        List result = getHibernateTemplate().findByCriteria(criteria);
        if (result != null)
            return (Integer) result.get(0);
        return 0;

    }
}