Client.java

package org.jacorb.demo.bank.concurrency;

import java.io.*;
import org.omg.CosNaming.*;
import org.omg.CosTransactions.*;

public class Client
{
    public static void main( String[] args ) throws Exception
    {
        TheBank bank;
        AccountManager acc_mgr;
        TransactionFactory transactionFactory;
        org.omg.CORBA.ORB orb = org.omg.CORBA.ORB.init(args,null);

        NamingContextExt nc = NamingContextExtHelper.narrow(orb.resolve_initial_references("NameService"));
        NameComponent [] name = new NameComponent[1];
        name[0] = new NameComponent("DigiBank", "server");

        acc_mgr = AccountManagerHelper.narrow( nc.resolve(name));

        name[0] = new NameComponent( "TransactionService", "service");
        transactionFactory = TransactionFactoryHelper.narrow( nc.resolve(name));

        System.out.println("> Opening Accounts Acc1 and Acc 2.");

        Account a1 = acc_mgr.open("Acc1", (float)199.99);
        Account a2 = acc_mgr.open("Acc2", (float)50.08);

        // Create transaction without timeout;
        Control control = transactionFactory.create(0);

        System.out.println("\n--- Balances ---");
        System.out.println("Acc1 : " + a1.get_balance(control) );
        System.out.println("Acc2 : " + a2.get_balance(control) );

        if( ((org.omg.CORBA.Object)acc_mgr)._is_a("IDL:org/jacorb/demo/transaction/TheBank:1.0"))
        {
            bank = TheBankHelper.narrow(acc_mgr );

            System.out.println("> Transfer 100,- from Acc 1 to Acc 2.");
            bank.transfer(a1, a2, 100);

            System.out.println("\n--- Balances ---");
            System.out.println("Acc1 : " + a1.get_balance(control) );
            System.out.println("Acc2 : " + a2.get_balance(control) );
        }
    }
}