1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    * The contents of this file are subject to the terms of the Liferay Enterprise
5    * Subscription License ("License"). You may not use this file except in
6    * compliance with the License. You can obtain a copy of the License by
7    * contacting Liferay, Inc. See the License for the specific language governing
8    * permissions and limitations under the License, including but not limited to
9    * distribution rights of the Software.
10   *
11   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
12   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
13   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
14   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
15   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
16   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
17   * SOFTWARE.
18   */
19  
20  package com.liferay.portal.dao.orm.hibernate;
21  
22  import com.liferay.portal.kernel.dao.orm.Projection;
23  import com.liferay.portal.kernel.dao.orm.ProjectionFactory;
24  import com.liferay.portal.kernel.dao.orm.ProjectionList;
25  
26  import org.hibernate.criterion.Projections;
27  
28  /**
29   * <a href="ProjectionFactoryImpl.java.html"><b><i>View Source</i></b></a>
30   *
31   * @author Brian Wing Shun Chan
32   *
33   */
34  public class ProjectionFactoryImpl implements ProjectionFactory {
35  
36      public Projection alias(Projection projection, String alias) {
37          ProjectionImpl projectionImpl = (ProjectionImpl)projection;
38  
39          return new ProjectionImpl(
40              Projections.alias(projectionImpl.getWrappedProjection(), alias));
41      }
42  
43      public Projection avg(String propertyName) {
44          return new ProjectionImpl(Projections.avg(propertyName));
45      }
46  
47      public Projection count(String propertyName) {
48          return new ProjectionImpl(Projections.count(propertyName));
49      }
50  
51      public Projection countDistinct(String propertyName) {
52          return new ProjectionImpl(Projections.countDistinct(propertyName));
53      }
54  
55      public Projection distinct(Projection projection) {
56          ProjectionImpl projectionImpl = (ProjectionImpl)projection;
57  
58          return new ProjectionImpl(
59              Projections.distinct(projectionImpl.getWrappedProjection()));
60      }
61  
62      public Projection groupProperty(String propertyName) {
63          return new ProjectionImpl(Projections.groupProperty(propertyName));
64      }
65  
66      public Projection max(String propertyName) {
67          return new ProjectionImpl(Projections.max(propertyName));
68      }
69  
70      public Projection min(String propertyName) {
71          return new ProjectionImpl(Projections.min(propertyName));
72      }
73  
74      public ProjectionList projectionList() {
75          return new ProjectionListImpl(Projections.projectionList());
76      }
77  
78      public Projection property(String propertyName) {
79          return new ProjectionImpl(Projections.property(propertyName));
80      }
81  
82      public Projection rowCount() {
83          return new ProjectionImpl(Projections.rowCount());
84      }
85  
86      public Projection sum(String propertyName) {
87          return new ProjectionImpl(Projections.sum(propertyName));
88      }
89  
90  }