[Гайд] Отображаем онлайн в Гейм Сервере

/*
  * This program is free software: you can redistribute it and/or modify it under
  * the terms of the GNU General Public License as published by the Free Software
  * Foundation, either version 3 of the License, or (at your option) any later
  * version.
  *  
  * This program is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
  * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
  * details.
  *  
  * You should have received a copy of the GNU General Public License along with
  * this program. If not, see <http://www.gnu.org/licenses/>.
  */
package net.sf.l2j.gameserver;

import net.sf.l2j.gameserver.ThreadPoolManager;
import net.sf.l2j.gameserver.model.L2World;

public class OnlinePlayers
{
  private static OnlinePlayers _instance;
  class AnnounceOnline implements Runnable
  {
  public void run()
  {
  System.out.println(L2World.getInstance().getAllPlayers().size()+ " online players");
  ThreadPoolManager.getInstance().scheduleGeneral(new AnnounceOnline(), 300000); //Delay between system.out.printin 300000=5min
  }
  }
  private OnlinePlayers()
  {
  ThreadPoolManager.getInstance().scheduleGeneral(new AnnounceOnline(), 180000); //Schedule load
  }
  public static OnlinePlayers getInstance()
  {
  if (_instance == null)
  _instance = new OnlinePlayers();
  return _instance;
  }
}