Java tutorial
/** * Tysan Clan Website * Copyright (C) 2008-2013 Jeroen Steenbeeke and Ties van de Ven * * 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 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 General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.tysanclan.site.projectewok.entities.dao.hibernate; import java.util.Calendar; import java.util.Date; import org.hibernate.Criteria; import org.hibernate.criterion.Restrictions; import org.springframework.context.annotation.Scope; import org.springframework.stereotype.Component; import org.springframework.transaction.annotation.Propagation; import org.springframework.transaction.annotation.Transactional; import com.jeroensteenbeeke.hyperion.data.SearchFilter; import com.tysanclan.site.projectewok.dataaccess.EwokHibernateDAO; import com.tysanclan.site.projectewok.entities.Event; import com.tysanclan.site.projectewok.entities.ForumThread; import com.tysanclan.site.projectewok.entities.dao.filters.EventFilter; import com.tysanclan.site.projectewok.util.DateUtil; /** * @author Jeroen Steenbeeke */ @Component @Scope("request") class EventDAOImpl extends EwokHibernateDAO<Event> implements com.tysanclan.site.projectewok.entities.dao.EventDAO { @Override protected Criteria createCriteria(SearchFilter<Event> filter) { Criteria criteria = getSession().createCriteria(Event.class); if (filter instanceof EventFilter) { EventFilter eventFilter = (EventFilter) filter; if (eventFilter.getDate() != null) { Date from = DateUtil.getMidnightDate(eventFilter.getDate()); Calendar toc = DateUtil.getCalendarInstance(); toc.setTime(from); toc.add(Calendar.DAY_OF_YEAR, 1); toc.add(Calendar.SECOND, 1); Date to = toc.getTime(); criteria.add(Restrictions.between("date", from, to)); } } return criteria; } /** * @see com.tysanclan.site.projectewok.entities.dao.EventDAO#getEventByThread(com.tysanclan.site.projectewok.entities.ForumThread) */ @Override @Transactional(propagation = Propagation.REQUIRED) public Event getEventByThread(ForumThread thread) { Criteria criteria = getSession().createCriteria(Event.class); criteria.add(Restrictions.eq("eventThread", thread)); return (Event) criteria.uniqueResult(); } }