船艙訂票系統測試

package com.dong.mytest.demo.other.yan;

import j**a.util.arraylist;
import j**a.util.hashmap;
import j**a.util.iterator;
import j**a.util.list;
import j**a.util.map;
public class ticketsystem 
// 初始化每個船艙的資訊：id，座位列表，候補佇列
for (int i = 0; i < cabins.length; i++) 
cabin cabin = new cabin();
cabin.setcabinid(i);
cabin.setseatlist(seatlist);
cabinmap.put(i, cabin);}}
/*** 從cabinid艙位中預定num個座位，訂單編號為id
*/public boolean book(int id, int cabinid, int num) 
if (ordermap.containskey(id)) 
cabin cabin = cabinmap.get(cabinid);
// 生成訂單
ticketorder order = new ticketorder();
order.setid(id);
order.setcabinid(cabinid);
order.setnum(num);
order.setstatus(order_status_init);
ordermap.put(id, order);
// 該船艙的候補佇列
listhbqueue = cabin.gethbqueue();
// 候補隊列為空
if (hbqueue.isempty()) 
// 記錄訂單預定的座位列表
order.setorderseatnumlist(seatnumlist);
order.setstatus(order_status_success);
return true;
} else 
} else 
}/**
* 根據連續優先訂票規則，獲取座位號
*/private listcheckhascontinuousseatnum(listremainseatnumlist, int orderseatcount) 
list.add(seatnum);
// 如果連續座位號達到訂票數，則直接返回
if (list.size() >= orderseatcount) 
preseatnum = seatnum;
}// 走到這裡說明沒有連續的號，返回最小的幾個座位號
list.clear();
for (integer seatnum : remainseatnumlist)  else 
}return list;
}/**
* 取消編號為id的訂單，並及時處理候補佇列訂單
*/public boolean cancel(int id) 
ticketorder order = ordermap.get(id);
cabin cabin = cabinmap.get(order.getcabinid());
boolean result = false;
// 如果該訂單已預定成功，則成功取消訂單、退票並返回true
if (order_status_success.equals(order.getstatus())) 
// 候補佇列嘗試繼續買票
queueretry(cabin);
result = true;
} else if (order_status_failed.equals(order.getstatus()))  else 
// 修改訂單狀態
order.setstatus(order_status_cancel);
order.setorderseatnumlist(new arraylist<>());
return result;
}/**
* 候補佇列嘗試繼續買票
*/private void queueretry(cabin cabin) 
// 有足夠餘票，根據連續優先訂票規則，獲取座位號
listseatnumlist = checkhascontinuousseatnum(remainseatnumlist, ticketorder.getnum());
for (integer seatnum : seatnumlist) 
// 記錄訂單預定的座位列表
ticketorder.setorderseatnumlist(seatnumlist);
ticketorder.setstatus(order_status_success);
// 從佇列中移除
iterator.remove();}}
public int query(int id) 
// 如果預定成功，則返回最小的座位號
return order.getorderseatnumlist().get(0);
}public static void main(string args) );
system.out.println(ticketsystem.book(71, 0, 2));
system.out.println(ticketsystem.book(73, 0, 10));
system.out.println(ticketsystem.book(72, 0, 2));
system.out.println(ticketsystem.query(72));
system.out.println(ticketsystem.book(74, 0, 2));
system.out.println(ticketsystem.cancel(73));
system.out.println(ticketsystem.query(74));
system.out.println(ticketsystem.query(72));
system.out.println(ticketsystem.cancel(72));
system.out.println(ticketsystem.book(75, 0, 3));
system.out.println(ticketsystem.query(75));
system.out.println(ticketsystem.cancel(75));
system.out.println(ticketsystem.book(76, 0, 2));
system.out.println(ticketsystem.book(77, 0, 2));
system.out.println(ticketsystem.cancel(76));
system.out.println(ticketsystem.book(78, 0, 3));
system.out.println(ticketsystem.query(78));
}}

package com.dong.mytest.demo.other.yan;

import j**a.util.arraylist;
import j**a.util.list;
public class cabin 
}return remainseatnumlist;
}public int getcabinid() 
public void setcabinid(int cabinid) 
public listgetseatlist() 
public void setseatlist(listseatlist) 
public listgethbqueue() 
public void sethbqueue(listhbqueue) 
}

package com.dong.mytest.demo.other.yan;

import j**a.util.list;
public class ticketorder 
public void setid(int id) 
public int getnum() 
public void setnum(int num) 
public listgetorderseatnumlist() 
public void setorderseatnumlist(listorderseatnumlist) 
public int getstatus() 
public void setstatus(int status) 
public int getcabinid() 
public void setcabinid(int cabinid) 
}

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