Java tutorial
/** * Copyright (c) 2010 arago AG, http://www.arago.de/ * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice shall be * included in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ package de.arago.rike.commons.util; import de.arago.rike.commons.data.DataHelperRike; import de.arago.rike.commons.data.Milestone; import java.util.Date; import java.util.List; import org.hibernate.criterion.Order; import org.hibernate.criterion.Restrictions; /** * */ public final class MilestoneHelper { public static List<Milestone> list() { DataHelperRike<Milestone> helper = new DataHelperRike<Milestone>(Milestone.class); return helper.list(helper.filter().addOrder(Order.desc("dueDate")).addOrder(Order.asc("title"))); } public static List<Milestone> listNotExpired() { DataHelperRike<Milestone> helper = new DataHelperRike<Milestone>(Milestone.class); return helper.list(helper.filter() .add(Restrictions.or(Restrictions.gt("dueDate", new Date()), Restrictions.isNull("dueDate"))) .addOrder(Order.asc("dueDate")).addOrder(Order.asc("title"))); } public static Milestone getMilestone(String id) { if (id == null || id.isEmpty()) return null; return new DataHelperRike<Milestone>(Milestone.class).find(id); } public static boolean isMilestoneDone(Milestone milestone) { DataHelperRike<Milestone> helper = new DataHelperRike<Milestone>(Milestone.class); String query = "select count(*) as items_left from tasks where milestone_id = " + milestone.getId() + " and task_status != 'done'"; for (final Object o : helper.list(helper.createSQLQuery(query))) { if (o != null && ViewHelper.asInt(o) == 0) return true; } return false; } }