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1 package demo.bank.concurrency;
2
3
4
5 import java.io.*;
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7 import org.omg.CosNaming.*;
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9 import org.omg.CosTransactions.*;
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11
12
13 public class Client
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15 {
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17 public static void main( String  [] args )
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19 {
20
21 try
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23 {
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25 TheBank bank;
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27 AccountManager acc_mgr;
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29 TransactionFactory transactionFactory;
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31 org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(args,null);
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33
34
35 NamingContextExt nc = NamingContextExtHelper.narrow(orb.resolve_initial_references("NameService"));
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37 NameComponent [] name = new NameComponent[1];
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39 name[0] = new NameComponent("DigiBank", "server");
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41
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43 acc_mgr = AccountManagerHelper.narrow( nc.resolve(name));
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45
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47 name[0] = new NameComponent( "TransactionService", "service");
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49 transactionFactory = TransactionFactoryHelper.narrow( nc.resolve(name));
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51
52
53 System.out.println("> Opening Accounts Acc1 and Acc 2.");
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55
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57 Account a1 = acc_mgr.open("Acc1", (float)199.99);
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59 Account a2 = acc_mgr.open("Acc2", (float)50.08);
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61
62
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65 Control control = transactionFactory.create(0);
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67
68
69 System.out.println("\n--- Balances ---");
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71 System.out.println("Acc1 : " + a1.get_balance(control) );
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73 System.out.println("Acc2 : " + a2.get_balance(control) );
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75
76
77 if( ((org.omg.CORBA.Object )acc_mgr)._is_a("IDL:demo/transaction/TheBank:1.0"))
78
79 {
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81 bank = TheBankHelper.narrow(acc_mgr );
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83
84
85 System.out.println("> Transfer 100,- from Acc 1 to Acc 2.");
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87 bank.transfer(a1, a2, 100);
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89
90
91 System.out.println("\n--- Balances ---");
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93 System.out.println("Acc1 : " + a1.get_balance(control) );
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95 System.out.println("Acc2 : " + a2.get_balance(control) );
96
97 }
98
99
100
101 }
102
103 catch ( Exception e )
104
105 {
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107 e.printStackTrace();
108
109 }
110
111 }
112
113 }
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115
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117 |
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