| CacheRegistry.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.portal.kernel.cache;
21
22 import com.liferay.portal.kernel.log.Log;
23 import com.liferay.portal.kernel.log.LogFactoryUtil;
24
25 import java.util.Map;
26 import java.util.concurrent.ConcurrentHashMap;
27
28 /**
29 * <a href="CacheRegistry.java.html"><b><i>View Source</i></b></a>
30 *
31 * @author Brian Wing Shun Chan
32 *
33 */
34 public class CacheRegistry {
35
36 public static void clear() {
37 for (Map.Entry<String, CacheRegistryItem> entry : _items.entrySet()) {
38 CacheRegistryItem item = entry.getValue();
39
40 item.invalidate();
41 }
42 }
43
44 public static boolean isActive() {
45 return _active;
46 }
47
48 public static void register(CacheRegistryItem item) {
49 String name = item.getRegistryName();
50
51 if (_log.isDebugEnabled()) {
52 _log.debug("Registering " + name);
53 }
54
55 if (_items.containsKey(name)) {
56 if (_log.isDebugEnabled()) {
57 _log.debug("Not registering duplicate " + name);
58 }
59 }
60 else {
61 _items.put(name, item);
62 }
63 }
64
65 public static void setActive(boolean active) {
66 _active = active;
67
68 if (!active) {
69 clear();
70 }
71 }
72
73 public static void unregister(String name) {
74 if (_log.isDebugEnabled()) {
75 _log.debug("Unregistering " + name);
76 }
77
78 _items.remove(name);
79 }
80
81 private static Log _log = LogFactoryUtil.getLog(CacheRegistry.class);
82
83 private static boolean _active = true;
84 private static Map<String, CacheRegistryItem> _items =
85 new ConcurrentHashMap<String, CacheRegistryItem>();
86
87 }