| GarbageCollectorAction.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.events;
21
22 import com.liferay.portal.kernel.events.SessionAction;
23 import com.liferay.portal.kernel.log.Log;
24 import com.liferay.portal.kernel.log.LogFactoryUtil;
25
26 import java.text.NumberFormat;
27
28 import javax.servlet.http.HttpSession;
29
30 /**
31 * <a href="GarbageCollectorAction.java.html"><b><i>View Source</i></b></a>
32 *
33 * @author Brian Wing Shun Chan
34 *
35 */
36 public class GarbageCollectorAction extends SessionAction {
37
38 public void run(HttpSession session) {
39 Runtime runtime = Runtime.getRuntime();
40
41 NumberFormat nf = NumberFormat.getInstance();
42
43 if (_log.isDebugEnabled()) {
44 _log.debug(
45 "Before:\t\t" +
46 nf.format(runtime.freeMemory()) + "\t" +
47 nf.format(runtime.totalMemory()) + "\t" +
48 nf.format(runtime.maxMemory()));
49 }
50
51 System.gc();
52
53 if (_log.isDebugEnabled()) {
54 _log.debug(
55 "After:\t\t" +
56 nf.format(runtime.freeMemory()) + "\t" +
57 nf.format(runtime.totalMemory()) + "\t" +
58 nf.format(runtime.maxMemory()));
59 }
60 }
61
62 private static Log _log =
63 LogFactoryUtil.getLog(GarbageCollectorAction.class);
64
65 }