ProjectionFactory.java |
1 /** 2 * Copyright (c) 2000-2010 Liferay, Inc. All rights reserved. 3 * 4 * This library is free software; you can redistribute it and/or modify it under 5 * the terms of the GNU Lesser General Public License as published by the Free 6 * Software Foundation; either version 2.1 of the License, or (at your option) 7 * any later version. 8 * 9 * This library is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS 11 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more 12 * details. 13 */ 14 15 package com.liferay.portal.kernel.dao.orm; 16 17 /** 18 * <a href="ProjectionFactory.java.html"><b><i>View Source</i></b></a> 19 * 20 * @author Brian Wing Shun Chan 21 */ 22 public interface ProjectionFactory { 23 24 public Projection alias(Projection projection, String alias); 25 26 public Projection avg(String propertyName); 27 28 public Projection count(String propertyName); 29 30 public Projection countDistinct(String propertyName); 31 32 public Projection distinct(Projection projection); 33 34 public Projection groupProperty(String propertyName); 35 36 public Projection max(String propertyName); 37 38 public Projection min(String propertyName); 39 40 public ProjectionList projectionList(); 41 42 public Projection property(String propertyName); 43 44 public Projection rowCount(); 45 46 public Projection sum(String propertyName); 47 48 }