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我在CORBA中创建了一个应用程序,它允许用户只在运行时注册和存储信息。我必须为注册的每个用户分配一个唯一的ID。唯一的ID必须是第一个用户的0001格式,第二个用户的0002等等。在网上查找过后,我无法找到如何在这种格式中分配这些数字的方法。创建用户标识(0001,0002等)CORBA/Java
唯一ID分配给每个客户。 唯一ID基于由服务器维护的计数器。 第一次注册将被分配ID 0001,但表示为一个字符串。
我的仆人代码如下:
公共类AccountServant实现AccountManagerOperations {
double topupBalance = 0;
int credit = 0;
int uid = 0;
public void topup(double amount){
topupBalance = topupBalance+amount;
credit = credit +1;
}
public double getBalance(){
return topupBalance;
}
public int getUniqueID(){
DecimalFormat decimalFormat = new DecimalFormat("0000");
uid = uid +1;
return uid;
}
public static Hashtable hashtable = new Hashtable();
public static ORB orb;
public AccountServant (org.omg.CORBA.ORB orb){
this.orb=orb;
}
public void storeAccountDetails (AnyTopUpAccount.KamaradAccountDetails myKamaradAccountDetails){
hashtable.put(myKamaradAccountDetails.name, myKamaradAccountDetails);
}
public Any getAccountDetails (String name, AnyHolder myKamaradAccountDetails){
Any anyDD = orb.create_any();
KamaradAccountDetails tempKamaradAccDetails = (KamaradAccountDetails)hashtable.get(name);
KamaradAccountDetailsHelper.insert(anyDD, tempKamaradAccDetails);
myKamaradAccountDetails.value = anyDD;
return anyDD ;
}
}