magoffin.matt.ma2.dao.hbm.LocalSessionFactoryBean.java Source code

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Here is the source code for magoffin.matt.ma2.dao.hbm.LocalSessionFactoryBean.java

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/* ===================================================================
 * LocalSessionFactoryBean.java
 * 
 * Created Jan 9, 2007 9:19:55 AM
 * 
 * Copyright (c) 2007 Matt Magoffin (spamsqr@msqr.us)
 * 
 * This program is free software; you can redistribute it and/or 
 * modify it under the terms of the GNU General Public License as 
 * published by the Free Software Foundation; either version 2 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 
 * General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License 
 * along with this program; if not, write to the Free Software 
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 
 * 02111-1307 USA
 * ===================================================================
 * $Id$
 * ===================================================================
 */

package magoffin.matt.ma2.dao.hbm;

import java.util.Map;

import org.hibernate.HibernateException;
import org.hibernate.cfg.Configuration;
import org.hibernate.dialect.function.SQLFunction;
import org.springframework.util.CollectionUtils;

/**
 * Extension of Spring's LocalSessionFactoryBean to add support for registering
 * custom SQL functions.
 * 
 * <p>The configurable properties of this class are:</p>
 * 
 * <dl class="class-properties">
 *   <dt>sqlFunctions</dt>
 *   <dd>A mapping of SQL function names to implementations of 
 *   {@link SQLFunction} so that custom SQL functions can be configured.</dd>
 * </dl>
 * 
 * @author Matt Magoffin (spamsqr@msqr.us)
 * @version $Revision$ $Date$
 */
public class LocalSessionFactoryBean extends org.springframework.orm.hibernate3.LocalSessionFactoryBean {

    private Map<String, SQLFunction> sqlFunctions;

    @Override
    protected void postProcessConfiguration(Configuration config) throws HibernateException {
        super.postProcessConfiguration(config);
        if (!CollectionUtils.isEmpty(sqlFunctions)) {
            for (Map.Entry<String, SQLFunction> me : sqlFunctions.entrySet()) {
                if (logger.isInfoEnabled()) {
                    logger.info("Registering SQL function [" + me.getKey() + "] class ["
                            + me.getValue().getClass().getName() + "]");
                }
                config.addSqlFunction(me.getKey(), me.getValue());
            }
        }
    }

    /**
     * @return the sqlFunctions
     */
    public Map<String, SQLFunction> getSqlFunctions() {
        return sqlFunctions;
    }

    /**
     * @param sqlFunctions the sqlFunctions to set
     */
    public void setSqlFunctions(Map<String, SQLFunction> sqlFunctions) {
        this.sqlFunctions = sqlFunctions;
    }

}