/* Copyright c 2005-2012.
* Licensed under GNU LESSER General Public License, Version 3.
* http://www.gnu.org/licenses
*/
package org.beangle.security.core.session.category;
import java.util.Calendar;
import java.util.Date;
import java.util.List;
import java.util.Timer;
import java.util.TimerTask;
import org.apache.commons.lang.time.StopWatch;
import org.beangle.commons.lang.DateUtils;
import org.beangle.model.persist.EntityDao;
import org.beangle.model.persist.impl.BaseServiceImpl;
import org.beangle.model.query.builder.OqlBuilder;
import org.beangle.security.core.session.SessionRegistry;
import org.beangle.security.core.session.Sessioninfo;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.InitializingBean;
/**
* @author chaostone
* @version $Id: SessionCleaner.java Jun 6, 2011 12:21:24 PM chaostone $
*/
public class SessioninfoCleaner extends BaseServiceImpl implements InitializingBean {
private SessionRegistry sessionRegistry;
// 默认5分钟清理一次
private int cleanInterval = 1000 * 300;
public void afterPropertiesSet() throws Exception {
if (null != sessionRegistry) {
SessionCleanerTask sessionCleanerTask = new SessionCleanerTask(sessionRegistry);
sessionCleanerTask.setEntityDao(entityDao);
new Timer("Beangle Session Cleaner", true)
.schedule(sessionCleanerTask, new Date(), cleanInterval);
}
}
public SessionRegistry getSessionRegistry() {
return sessionRegistry;
}
public void setSessionRegistry(SessionRegistry sessionRegistry) {
this.sessionRegistry = sessionRegistry;
}
public int getCleanInterval() {
return cleanInterval;
}
public void setCleanInterval(int cleanInterval) {
this.cleanInterval = cleanInterval;
}
}
class SessionCleanerTask extends TimerTask {
private final Logger logger = LoggerFactory.getLogger(SessioninfoCleaner.class);
private final SessionRegistry registry;
private EntityDao entityDao;
/** 默认 过期时间 30分钟 */
private int expiredTime = 30;
public SessionCleanerTask(SessionRegistry registry) {
super();
this.registry = registry;
}
public SessionCleanerTask(SessionRegistry registry, int expiredTime) {
this.registry = registry;
this.expiredTime = expiredTime;
}
@Override
public void run() {
StopWatch watch = new StopWatch();
watch.start();
logger.debug("clean up expired or over maxOnlineTime session start ...");
Calendar calendar = Calendar.getInstance();
@SuppressWarnings("unchecked")
OqlBuilder<Sessioninfo> builder = OqlBuilder.from(registry.getSessioninfoBuilder()
.getSessioninfoClass(), "info");
builder.where("info.serverName=:server and info.lastAccessAt<:givenTime", registry.getController()
.getServerName(), DateUtils.rollMinutes(calendar.getTime(), -expiredTime));
List<Sessioninfo> activities = entityDao.search(builder);
int removed = 0;
for (Sessioninfo activity : activities) {
registry.remove(activity.getId());
removed++;
}
if (removed > 0 || watch.getTime() > 50) {
logger.info("removed {} expired sessions in {} ms", removed, watch.getTime());
}
registry.getController().stat();
}
public void setEntityDao(EntityDao entityDao) {
this.entityDao = entityDao;
}
}