| FileEntryReadCountComparator.java |
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.portlet.documentlibrary.util.comparator;
21
22 import com.liferay.portal.kernel.util.OrderByComparator;
23 import com.liferay.portlet.documentlibrary.model.DLFileEntry;
24
25 /**
26 * <a href="FileEntryReadCountComparator.java.html"><b><i>View Source</i></b>
27 * </a>
28 *
29 * @author Brian Wing Shun Chan
30 *
31 */
32 public class FileEntryReadCountComparator extends OrderByComparator {
33
34 public static String ORDER_BY_ASC = "readCount ASC";
35
36 public static String ORDER_BY_DESC = "readCount DESC";
37
38 public static String[] ORDER_BY_FIELDS = {"readCount"};
39
40 public FileEntryReadCountComparator() {
41 this(false);
42 }
43
44 public FileEntryReadCountComparator(boolean asc) {
45 _asc = asc;
46 }
47
48 public int compare(Object obj1, Object obj2) {
49 DLFileEntry fileEntry1 = (DLFileEntry)obj1;
50 DLFileEntry fileEntry2 = (DLFileEntry)obj2;
51
52 int value = 0;
53
54 if (fileEntry1.getReadCount() < fileEntry2.getReadCount()) {
55 value = -1;
56 }
57 else if (fileEntry1.getReadCount() > fileEntry2.getReadCount()) {
58 value = 1;
59 }
60
61 if (_asc) {
62 return value;
63 }
64 else {
65 return -value;
66 }
67 }
68
69 public String getOrderBy() {
70 if (_asc) {
71 return ORDER_BY_ASC;
72 }
73 else {
74 return ORDER_BY_DESC;
75 }
76 }
77
78 public String[] getOrderByFields() {
79 return ORDER_BY_FIELDS;
80 }
81
82 public boolean isAscending() {
83 return _asc;
84 }
85
86 private boolean _asc;
87
88 }