| GarbageCollectorAction.java |
1 /**
2 * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3 *
4 *
5 *
6 *
7 * The contents of this file are subject to the terms of the Liferay Enterprise
8 * Subscription License ("License"). You may not use this file except in
9 * compliance with the License. You can obtain a copy of the License by
10 * contacting Liferay, Inc. See the License for the specific language governing
11 * permissions and limitations under the License, including but not limited to
12 * distribution rights 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.events;
24
25 import com.liferay.portal.kernel.events.SessionAction;
26 import com.liferay.portal.kernel.log.Log;
27 import com.liferay.portal.kernel.log.LogFactoryUtil;
28
29 import java.text.NumberFormat;
30
31 import javax.servlet.http.HttpSession;
32
33 /**
34 * <a href="GarbageCollectorAction.java.html"><b><i>View Source</i></b></a>
35 *
36 * @author Brian Wing Shun Chan
37 */
38 public class GarbageCollectorAction extends SessionAction {
39
40 public void run(HttpSession session) {
41 Runtime runtime = Runtime.getRuntime();
42
43 NumberFormat nf = NumberFormat.getInstance();
44
45 if (_log.isDebugEnabled()) {
46 _log.debug(
47 "Before:\t\t" +
48 nf.format(runtime.freeMemory()) + "\t" +
49 nf.format(runtime.totalMemory()) + "\t" +
50 nf.format(runtime.maxMemory()));
51 }
52
53 System.gc();
54
55 if (_log.isDebugEnabled()) {
56 _log.debug(
57 "After:\t\t" +
58 nf.format(runtime.freeMemory()) + "\t" +
59 nf.format(runtime.totalMemory()) + "\t" +
60 nf.format(runtime.maxMemory()));
61 }
62 }
63
64 private static Log _log =
65 LogFactoryUtil.getLog(GarbageCollectorAction.class);
66
67 }