001/* 002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 * 016 * Contributors: 017 * Nuxeo - initial API and implementation 018 * 019 * $Id$ 020 * 021 */ 022package org.nuxeo.ecm.core.convert.cache; 023 024import java.util.concurrent.TimeUnit; 025 026import org.apache.commons.logging.Log; 027import org.apache.commons.logging.LogFactory; 028import org.nuxeo.ecm.core.convert.service.ConversionServiceImpl; 029 030/** 031 * Task for GC dedicated Thread. 032 * 033 * @author tiry 034 */ 035public class GCTask implements Runnable { 036 037 public boolean GCEnabled = true; 038 039 private static final Log log = LogFactory.getLog(GCTask.class); 040 041 @Override 042 public void run() { 043 log.debug("starting GC thread"); 044 while (GCEnabled) { 045 ConversionCacheGCManager.gcIfNeeded(); 046 try { 047 long gcInterval = ConversionServiceImpl.getGCIntervalInMinutes(); 048 049 if (gcInterval < 0) { 050 // for tests 051 log.debug("GC sleeps for " + -gcInterval); 052 Thread.sleep(-gcInterval); 053 } else { 054 log.debug("GC sleeps for " + gcInterval * 60 * 1000); 055 // GC Interval is stored in minutes 056 Thread.sleep(TimeUnit.MILLISECONDS.convert(gcInterval, TimeUnit.MINUTES)); 057 } 058 } catch (InterruptedException e) { 059 GCEnabled = false; 060 log.info("GCThread bruttaly interupted"); 061 Thread.currentThread().interrupt(); 062 } 063 } 064 } 065 066}