Java tutorial
/** * Copyright (C) 2013, Moss Computing Inc. * * This file is part of joda-persist. * * joda-persist 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, or (at your option) * any later version. * * joda-persist 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 joda-persist; see the file COPYING. If not, write to the * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA * 02110-1301 USA. * * Linking this library statically or dynamically with other modules is * making a combined work based on this library. Thus, the terms and * conditions of the GNU General Public License cover the whole * combination. * * As a special exception, the copyright holders of this library give you * permission to link this library with independent modules to produce an * executable, regardless of the license terms of these independent * modules, and to copy and distribute the resulting executable under * terms of your choice, provided that you also meet, for each linked * independent module, the terms and conditions of the license of that * module. An independent module is a module which is not derived from * or based on this library. If you modify this library, you may extend * this exception to your version of the library, but you are not * obligated to do so. If you do not wish to do so, delete this * exception statement from your version. */ package com.moss.jodapersist; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Types; import org.hibernate.HibernateException; import org.joda.time.Duration; import com.moss.hibernate.util.QuickImmutableUserType; public class DurationUserType extends QuickImmutableUserType { public static final String CLASS_NAME = "com.moss.jodapersist.DurationUserType"; public DurationUserType() { super(Duration.class, Types.NUMERIC); } public Object getFromResultSet(ResultSet results, String columnName) throws HibernateException, SQLException { Object value = results.getObject(columnName); if (value == null) return null; else return new Duration(((Number) value).longValue()); } public void setValueInStatement(PreparedStatement statement, Object value, int index) throws HibernateException, SQLException { statement.setLong(index, ((Duration) value).getMillis()); } }