1 Queue2

3 usingSystem;4 usingSystem.Collections.Generic;5 usingSystem.Linq;6 usingSystem.Text;7 usingSystem.Threading;8

9 namespaceDataStructure10 {11 ///

12 ///队列接口13 ///

14 interface IQueue

15 {16 void EnQueue(T elem); //入队列操作

17 T DeQueue(); //出队列操作

18 T GetFront(); //取对头元素

19 int GetLength(); //求队列的长度

20 bool IsEmpty(); //判断队列是否为空

21 void Clear(); //清空队列

22 bool IsFull(); //判断队列是否为满

23 }24

25 ///

26 ///银行队列接口27 ///

28 interface IBankQueue : IQueue

29 {30 int GetCallnumber(); //获取服务号码

31 }32

33

34 ///

35 ///循环顺序队列36 ///

37 ///

38 class CSeqQueue : IQueue

39 {40 private int maxsize; //循环顺序队列的容量

41 private T[] data; //数组，用于存储循环顺序队列中的数据元素

42 private int front; //指示最近一个已经离开队列的元素所占有的位置 循环顺序队列的对头

43 private int rear; //指示最近一个进入队列的元素的位置 循环顺序队列的队尾

44

45 public T this[intindex]46 {47 get { returndata[index]; }48 set { data[index] =value; }49 }50

51 //容量属性

52 public intMaxsize53 {54 get { returnmaxsize; }55 set { maxsize =value; }56 }57

58 //对头指示器属性

59 public intFront60 {61 get { returnfront; }62 set { front =value; }63 }64

65 //队尾指示器属性

66 public intRear67 {68 get { returnrear; }69 set { rear =value; }70 }71

72 publicCSeqQueue()73 {74

75 }76

77 public CSeqQueue(intsize)78 {79 data = newT[size];80 maxsize =size;81 front = rear = -1;82 }83

84 //判断循环顺序队列是否为满

85 public boolIsFull()86 {87 if ((front == -1 && rear == maxsize - 1) || (rear + 1) % maxsize ==front)88 return true;89 else

90 return false;91 }92

93 //清空循环顺序列表

94 public voidClear()95 {96 front = rear = -1;97 }98

99 //判断循环顺序队列是否为空

100 public boolIsEmpty()101 {102 if (front ==rear)103 return true;104 else

105 return false;106 }107

108 //入队操作

109 public voidEnQueue(T elem)110 {111 if(IsFull())112 {113 Console.WriteLine("Queue is Full !");114 return;115 }116 rear = (rear + 1) %maxsize;117 data[rear] =elem;118 }119

120 //出队操作

121 publicT DeQueue()122 {123 if(IsEmpty())124 {125 Console.WriteLine("Queue is Empty !");126 return default(T);127 }128 front = (front + 1) %maxsize;129 returndata[front];130 }131

132 //获取对头数据元素

133 publicT GetFront()134 {135 if(IsEmpty())136 {137 Console.WriteLine("Queue is Empty !");138 return default(T);139 }140 return data[(front + 1) % maxsize];//front从-1开始

141 }142

143 //求循环顺序队列的长度

144 public intGetLength()145 {146 return (rear - front + maxsize) %maxsize;147 }148 }149

150 ///

151 ///链队列结点类152 ///

153 ///

154 class QueueNode

155 {156 private T data; //数据域

157 private QueueNode next; //引用域

158

159 public QueueNode(T val, QueueNodep)160 {161 data =val;162 next =p;163 }164

165 public QueueNode(QueueNodep)166 {167 next =p;168 }169

170 publicQueueNode(T val)171 {172 data =val;173 next = null;174 }175

176 publicQueueNode()177 {178 data = default(T);179 next = null;180 }181

182 //数据域属性

183 publicT Data184 {185 get { returndata; }186 set { data =value; }187 }188

189 //引用域属性

190 public QueueNodeNext191 {192 get { returnnext; }193 set { next =value; }194 }195 }196

197 ///

198 ///链队列类199 ///

200 ///

201 class LinkQueue : IQueue

202 {203 private QueueNode front; //队列头指示器

204 private QueueNode rear; //队列尾指示器

205 private int size; //队列结点个数206

207 //队列属性

208 public QueueNodeFront209 {210 get { returnfront; }211 set { front =value; }212 }213

214 public QueueNodeRear215 {216 get { returnrear; }217 set { rear =value; }218 }219

220 public intSize221 {222 get { returnsize; }223 set { size =value; }224 }225

226 //初始化链队列

227 publicLinkQueue()228 {229 front = rear = null;230 size = 0;231 }232

233 public intGetLength()234 {235 returnsize;236 }237

238 public voidClear()239 {240 front = rear = null;241 size = 0;242 }243

244 public boolIsEmpty()245 {246 if ((front == rear) && (size == 0))247 return true;248 else

249 return false;250

251 }252

253 //链队列没有容量限制 返回false

254 public boolIsFull()255 {256 return false;257 }258

259 //入队操作

260 public voidEnQueue(T item)261 {262 QueueNode q = new QueueNode(item);263 if(IsEmpty())264 {265 front =q;266 rear =q;267 }268 else

269 {270 rear.Next =q;271 rear =q;272 }273 ++size;274 }275

276 //出对操作

277 publicT DeQueue()278 {279 if(IsEmpty())280 {281 Console.WriteLine("Queue is Empty !");282 return default(T);283 }284 QueueNode p =front;285 front =front.Next;286

287 if (front == null)288 {289 rear = null;290 }291 --size;292 returnp.Data;293 }294

295 //获取链队列头结点的值

296 publicT GetFront()297 {298 if(IsEmpty())299 {300 Console.WriteLine("Queue is Empty !");301 return default(T);302 }303 returnfront.Data;304 }305

306 }307

308

309 ///

310 ///银行叫号链队列类311 ///

312 class LinkBankQueue : LinkQueue, IBankQueue313 {314 private intcallnumber;315

316 public intCallnumber317 {318 get { returncallnumber; }319 set { callnumber =value; }320 }321

322 //获取服务号码

323 public intGetCallnumber()324 {325 if ((IsEmpty()) && callnumber == 0)326 {327 callnumber = 1;328 }329 else

330 callnumber++;331 returncallnumber;332 }333 }334

335 ///

336 ///银行叫号顺序队列类337 ///

338 class CSeqBankQueue : CSeqQueue, IBankQueue339 {340 private int callnumber; //记录系统自动产生的新来顾客的服务号码

341

342 public intCallnumber343 {344 get { returncallnumber; }345 set { callnumber =value; }346 }347

348 publicCSeqBankQueue()349 {350

351 }352

353 public CSeqBankQueue(intsize)354 : base(size)355 {356

357 }358

359 //获得服务号码

360 public intGetCallnumber()361 {362 if ((IsEmpty()) && callnumber == 0)363 {364 callnumber = 1;365 }366 else

367 {368 callnumber++;369 }370 returncallnumber;371 }372 }373

374 ///

375 ///服务窗口类376 ///

377 classServiceWindow378 {379 IBankQueue bankQ;380

381 //服务队列属性

382 publicIBankQueue BankQ383 {384 get { returnbankQ; }385 set { bankQ =value; }386 }387

388 public voidService()389 {390 while (true)391 {392 Thread.Sleep(10000);393 if (!bankQ.IsEmpty())394 {395 Console.WriteLine();396 lock(bankQ)397 {398 Console.WriteLine("请{0}号到{1}号窗口！", bankQ.DeQueue(), Thread.CurrentThread.Name);399 }400 }401 }402 }403 }404

405 classQueue406 {407

408 static voidMain()409 {410 IBankQueue bankQueue = null;411 Console.WriteLine("请选择存储结构的类型：1.顺序队列 2.链队列：");412 char selectFlag =Convert.ToChar(Console.ReadLine());413 switch(selectFlag)414 {415 /*初始化顺序队列*/

416 case '1':417 int count; //接受循环顺序队列的容量

418 Console.WriteLine("请输入队列可容纳的人数：");419 count =Convert.ToInt32(Console.ReadLine());420 bankQueue = newCSeqBankQueue(count);421 break;422 /*初始化链队列*/

423 case '2':424 bankQueue = newLinkBankQueue();425 break;426

427 }428 int windowcount = 4; //设置银行柜台的服务窗口数

429

430 ServiceWindow[] sw = newServiceWindow[windowcount];431 Thread[] swt = newThread[windowcount];432 for (int i = 0; i < windowcount; i++)433 {434 sw[i] = newServiceWindow();435 sw[i].BankQ =bankQueue;436 swt[i] = new Thread(newThreadStart(sw[i].Service));437 swt[i].Name = "" + (i + 1);438 swt[i].Start();439 }440 while (true)441 {442 Console.WriteLine("请点击触摸屏获取号码：");443 Console.ReadLine();444

445 intcallnumber;446 if (!bankQueue.IsFull())447 {448 callnumber =bankQueue.GetCallnumber();449 Console.WriteLine("您的号码是：{0}，您前面有{1}位，请等待！", callnumber, bankQueue.GetLength());450 bankQueue.EnQueue(callnumber);451 }452 else

453 Console.WriteLine("现在业务繁忙，请稍后再来！");454 Console.WriteLine();455 }456 }457 }458 }