ServerPingerManager.java

package sk.tomsik68.mclauncher.impl.servers;

import sk.tomsik68.mclauncher.api.servers.ServerInfo;

import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.Future;

public final class ServerPingerManager {
    private static final int THREAD_COUNT = 2;
    private static final ServerPingerManager instance = new ServerPingerManager();

    private final ExecutorService threadPool;

    private ServerPingerManager(){
        threadPool = Executors.newFixedThreadPool(THREAD_COUNT);
    }

    public static final ServerPingerManager getInstance(){
        return instance;
    }

    //////////////////////////////////////////////////////////////////////////////

    public Future<ServerPingResult> pingServer(ServerInfo server){
        return threadPool.submit(new ServerPinger(server, new Protocol47PingPacketFactory()));
    }

}