org.openhie.openempi.dao.hibernate.UniversalDaoHibernate.java Source code

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Here is the source code for org.openhie.openempi.dao.hibernate.UniversalDaoHibernate.java

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/**
 *
 * Copyright (C) 2002-2012 "SYSNET International, Inc."
 * support@sysnetint.com [http://www.sysnetint.com]
 *
 * This file is part of OpenEMPI.
 *
 * OpenEMPI is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.openhie.openempi.dao.hibernate;

import java.io.Serializable;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openhie.openempi.dao.UniversalDao;
import org.springframework.orm.ObjectRetrievalFailureException;
import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

/**
 * This class serves as the a class that can CRUD any object without any
 * Spring configuration. The only down-side is it does require casting
 * from Object to the object class.
 *
 * @author Bryan Noll
 */
public class UniversalDaoHibernate extends HibernateDaoSupport implements UniversalDao {
    /**
     * Log variable for all child classes. Uses LogFactory.getLog(getClass()) from Commons Logging
     */
    protected final Log log = LogFactory.getLog(getClass());

    /**
     * {@inheritDoc}
     */
    public Object save(Object o) {
        return getHibernateTemplate().merge(o);
    }

    /**
     * {@inheritDoc}
     */
    @SuppressWarnings("rawtypes")
    public Object get(Class clazz, Serializable id) {
        Object o = getHibernateTemplate().get(clazz, id);

        if (o == null) {
            throw new ObjectRetrievalFailureException(clazz, id);
        }

        return o;
    }

    /**
     * {@inheritDoc}
     */
    @SuppressWarnings("rawtypes")
    public List getAll(Class clazz) {
        return getHibernateTemplate().loadAll(clazz);
    }

    /**
     * {@inheritDoc}
     */
    @SuppressWarnings("rawtypes")
    public void remove(Class clazz, Serializable id) {
        getHibernateTemplate().delete(get(clazz, id));
    }
}