package com.surfbird.util; import java.util.HashMap; import java.util.Map; import com.surfbird.socket.server.service.MultiSocket; public class ClientCollect { private static ClientCollect instance = new ClientCollect(); private static Map client; private ClientCollect() {} public static ClientCollect instance() { if(client == null) { client = new HashMap(); } return instance; } public Map getClient() { return client; } }