1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * Permission is hereby granted, free of charge, to any person obtaining a copy
5    * of this software and associated documentation files (the "Software"), to deal
6    * in the Software without restriction, including without limitation the rights
7    * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
8    * copies of the Software, and to permit persons to whom the Software is
9    * furnished to do so, subject to the following conditions:
10   *
11   * The above copyright notice and this permission notice shall be included in
12   * all copies or substantial portions of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.portal.dao.orm.hibernate;
24  
25  import com.liferay.portal.kernel.dao.orm.Projection;
26  import com.liferay.portal.kernel.dao.orm.ProjectionFactory;
27  import com.liferay.portal.kernel.dao.orm.ProjectionList;
28  
29  import org.hibernate.criterion.Projections;
30  
31  /**
32   * <a href="ProjectionFactoryImpl.java.html"><b><i>View Source</i></b></a>
33   *
34   * @author Brian Wing Shun Chan
35   *
36   */
37  public class ProjectionFactoryImpl implements ProjectionFactory {
38  
39      public Projection alias(Projection projection, String alias) {
40          ProjectionImpl projectionImpl = (ProjectionImpl)projection;
41  
42          return new ProjectionImpl(
43              Projections.alias(projectionImpl.getWrappedProjection(), alias));
44      }
45  
46      public Projection avg(String propertyName) {
47          return new ProjectionImpl(Projections.avg(propertyName));
48      }
49  
50      public Projection count(String propertyName) {
51          return new ProjectionImpl(Projections.count(propertyName));
52      }
53  
54      public Projection countDistinct(String propertyName) {
55          return new ProjectionImpl(Projections.countDistinct(propertyName));
56      }
57  
58      public Projection distinct(Projection projection) {
59          ProjectionImpl projectionImpl = (ProjectionImpl)projection;
60  
61          return new ProjectionImpl(
62              Projections.distinct(projectionImpl.getWrappedProjection()));
63      }
64  
65      public Projection groupProperty(String propertyName) {
66          return new ProjectionImpl(Projections.groupProperty(propertyName));
67      }
68  
69      public Projection max(String propertyName) {
70          return new ProjectionImpl(Projections.max(propertyName));
71      }
72  
73      public Projection min(String propertyName) {
74          return new ProjectionImpl(Projections.min(propertyName));
75      }
76  
77      public ProjectionList projectionList() {
78          return new ProjectionListImpl(Projections.projectionList());
79      }
80  
81      public Projection property(String propertyName) {
82          return new ProjectionImpl(Projections.property(propertyName));
83      }
84  
85      public Projection rowCount() {
86          return new ProjectionImpl(Projections.rowCount());
87      }
88  
89      public Projection sum(String propertyName) {
90          return new ProjectionImpl(Projections.sum(propertyName));
91      }
92  
93  }