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 }