/*
?*?To?change?this?license?header?choose?License?Headers?in?Project?Properties.
?*?To?change?this?template?file?choose?Tools?|?Templates
?*?and?open?the?template?in?the?editor.
?*/
package?computernetwork;

import?com.sun.jmx.remote.internal.ArrayQueue;
import?java.io.File;
import?java.io.FileNotFoundException;
import?java.io.FileOutputStream;
import?java.io.IOException;
import?java.text.SimpleDateFormat;
import?java.util.ArrayDeque;
import?java.util.ArrayList;
import?static?java.util.Collections.list;
import?java.util.Date;
import?java.util.Iterator;
import?java.util.linkedList;
import?java.util.List;
import?java.util.Queue;
import?java.util.Random;
import?java.util.logging.Level;
import?java.util.logging.Logger;

/**
?*
?*?@author?ASUS
?*/
class?MyDouble
{

????public?MyDouble（double?d）
????{
????????this.d?=?d;
????}
????double?size;
????double?d;

????public?void?Add（double?d）
????{
????????this.d?+=?d;
????}
}

public?class?MM3
{

????String?info?=?““;
????MyRandom?random;
????int?next_event_type?num_events;
????double[]?mean_interarrival?=?new?double[3];//各隊列平均到達時間
????double?sim_time?mean_service?end_time;
????double?time_next_event[]?=?new?double[4];??//第四個時間是離開
????double?tn;
????double?chizhi[]?=?new?double[3];//各自隊列赤字
????int?now_q?=?0;//當前隊列
????double?xiane;//每次限額
????boolean?isServerBusy?=?false;
????List>?wait_q?=?new?ArrayList<>（）;
????//隊列中等待的時間
????int?last_q;//上次被調度的隊列
????int?x_max?=?100;//橫坐標數組大小
????double[][]?q_lenth?=?new?double[3][x_max];//3條隊列長度分布
????double[][]?q_wait?=?new?double[3][x_max];//3條隊列時間分布
????double?wait_gap;//橫坐標數組間距

????double?sum_time;
????int?num_of_sent[]?=?new?int[3];
????int?num_of_come[]?=?new?int[3];

????public?void?start（）
????{
????????new?Thread（this.new?Timer（this））.start（）;//計時器

????????while?（sim_time?????????{
????????????timing（）;
????????????switch?（next_event_type）
????????????{
????????????????case?0:
????????????????case?1:
????????????????case?2:
????????????????????arrive（）;
????????????????????break;
????????????????case?3:
????????????????????depart（）;
????????????????????break;
????????????}
????????}
????}

????public?void?init（）
????{
????????for?（int?i?=?0;?i?????????{
????????????wait_q.add（new?ArrayDeque<>（））;
????????}
????????random?=?new?MyRandom（）;
????????sim_time?=?0.0;
????????end_time?=?1.0E6;
????????num_events?=?4;
????????mean_interarrival[0]?=?3;
????????mean_interarrival[1]?=?3.2;
????????mean_interarrival[2]?=?2.8;
????????mean_service?=?0.99;
????????xiane?=?1;
????????wait_gap?=?0.2;
????????for?（int?i?=?0;?i?????????{
????????????time_next_event[i]?=?MyRandom.getExponentialVariable（1.0/mean_interarrival[i]）;//獲得
????????}
????????time_next_event[3]?=?1.1e+10;
????}

//????public?double?getExponentialVariable（double?lamda）
//????{
//????????double?x?z;
//????????do
//????????{
//??????