Java tutorial
/* * HeadsUp Agile * Copyright 2009-2013 Heads Up Development Ltd. * * This program 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.headsupdev.agile.app.history; import org.headsupdev.agile.api.*; import org.headsupdev.agile.api.rest.Api; import org.headsupdev.agile.app.history.rest.ActivityApi; import org.headsupdev.agile.web.WebApplication; import org.headsupdev.agile.storage.HibernateStorage; import org.headsupdev.agile.app.history.permission.HistoryViewPermission; import org.headsupdev.agile.app.history.feed.HistoryFeed; import java.util.List; import java.util.LinkedList; import java.util.Date; import org.hibernate.Session; import org.hibernate.Transaction; import org.hibernate.Query; /** * The history application shows a filtered history view * * @author Andrew Williams * @version $Id$ * @since 1.0 */ public class HistoryApplication extends WebApplication { List<MenuLink> links; public HistoryApplication() { links = new LinkedList<MenuLink>(); } public String getName() { return "Activity"; } public String getApplicationId() { return "activity"; } public String getDescription() { return "The " + Manager.getStorageInstance().getGlobalConfiguration().getProductName() + " activity application"; } public List<MenuLink> getLinks(Project project) { return links; } @Override public Class<? extends Page>[] getPages() { return new Class[] { History.class, ShowEvent.class, ShowEventBody.class, GroupedActivity.class, HistoryFeed.class }; } @Override public Class<? extends Api>[] getApis() { return new Class[] { ActivityApi.class }; } @Override public Class<? extends Page> getHomePage() { return History.class; } @Override public Permission[] getPermissions() { return new Permission[] { new HistoryViewPermission() }; } public static Event getEvent(long id) { Session session = ((HibernateStorage) Manager.getStorageInstance()).getHibernateSession(); Transaction tx = session.beginTransaction(); Query q = session.createQuery("from StoredEvent e where e.id = " + id); Event ret = (Event) q.uniqueResult(); tx.commit(); return ret; } public List<Event> getEvents(long before, List<String> types, int count) { if (types == null || types.size() == 0) { return new LinkedList<Event>(); } Session session = ((HibernateStorage) Manager.getStorageInstance()).getHibernateSession(); Query q = session.createQuery( "from StoredEvent e where e.class in (:types) and e.time < :before order by time desc"); q.setParameterList("types", types); q.setTimestamp("before", new Date(before)); q.setMaxResults(count); return q.list(); } public List<Event> getEventsForProject(Project project, long before, List<String> types, int count) { if (types == null || types.size() == 0) { return new LinkedList<Event>(); } Session session = ((HibernateStorage) Manager.getStorageInstance()).getHibernateSession(); Query q = session.createQuery( "from StoredEvent e where e.class in (:types) and project.id = :pid and e.time < :before order by time desc"); q.setParameterList("types", types); q.setString("pid", project.getId()); q.setTimestamp("before", new Date(before)); q.setMaxResults(count); return q.list(); } }