Java tutorial
/** * MOTECH PLATFORM OPENSOURCE LICENSE AGREEMENT * * Copyright (c) 2010-11 The Trustees of Columbia University in the City of * New York and Grameen Foundation USA. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * * 3. Neither the name of Grameen Foundation USA, Columbia University, or * their respective contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY GRAMEEN FOUNDATION USA, COLUMBIA UNIVERSITY * AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, * BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRAMEEN FOUNDATION * USA, COLUMBIA UNIVERSITY OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.motechproject.mobile.core.dao.hibernate; import org.motechproject.mobile.core.dao.GatewayRequestDAO; import org.motechproject.mobile.core.model.GatewayRequest; import org.motechproject.mobile.core.model.GatewayRequestImpl; import org.motechproject.mobile.core.model.MStatus; import java.util.Date; import java.util.List; import org.apache.log4j.Logger; import org.hibernate.Criteria; import org.hibernate.HibernateException; import org.hibernate.criterion.Restrictions; /** * Date: Jul 24, 2009 * @author Joseph Djomeda (joseph@dreamoval.com) * @author Henry Sampson (henry@dreamoval.com) */ public class GatewayRequestDAOImpl extends HibernateGenericDAOImpl<GatewayRequestImpl> implements GatewayRequestDAO<GatewayRequestImpl> { private static Logger logger = Logger.getLogger(GatewayRequestDAOImpl.class); public GatewayRequestDAOImpl() { } /** * @see {@link org.motechproject.mobile.core.dao.GatewayRequestDAO#getByStatus} */ public List<GatewayRequest> getByStatus(MStatus status) { logger.debug("varaible passed to getByStatus " + status); try { List<GatewayRequest> allbyStatus; allbyStatus = (List<GatewayRequest>) this.getSessionFactory().getCurrentSession() .createCriteria(getPersistentClass()).add(Restrictions.eq("messageStatus", status)).list(); logger.debug(allbyStatus); return allbyStatus; } catch (HibernateException he) { logger.error("Persistence or JDBC Exception in Method getByStatus", he); return null; } catch (Exception ex) { logger.error("Exception in Method getByStatus", ex); return null; } } /** * @see {@link org.motechproject.mobile.core.dao.GatewayRequestDAO#getByStatusAndSchedule} */ public List<GatewayRequest> getByStatusAndSchedule(MStatus status, Date schedule) { logger.debug("variables passed to getByStatusAndSchedule. status: " + status + "And schedule: " + schedule); try { List<GatewayRequest> allbystatandSdule; Criteria criteria = this.getSessionFactory().getCurrentSession().createCriteria(getPersistentClass()); if (schedule == null) { criteria = criteria.add(Restrictions.isNull("dateTo")).add(Restrictions.isNull("dateFrom")) .add(Restrictions.eq("messageStatus", status)); } else { criteria = criteria.add(Restrictions.eq("messageStatus", status)) .add(Restrictions.or(Restrictions.isNull("dateFrom"), Restrictions.lt("dateFrom", schedule))) .add(Restrictions.or(Restrictions.isNull("dateTo"), Restrictions.gt("dateTo", schedule))); } allbystatandSdule = (List<GatewayRequest>) criteria.add(Restrictions.isNotNull("gatewayRequestDetails")) .list(); logger.debug(allbystatandSdule); return allbystatandSdule; } catch (HibernateException he) { logger.error("Persistence or JDBC Exception in Method getByStatusAndSchedule", he); return null; } catch (Exception ex) { logger.error("Exception in Method getByStatusAndSchedule", ex); return null; } } }