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// -*- C++ -*-
// $Id$
module Bank
{
// = TITLE
// This module has two interfaces. One represents a bank Account and
// the other is a factory to create the Account Objects.
interface Account
{
// = TITLE
// This interface represents an account with operations to check
// balance, deposit and withdraw.
exception Overdraft
{
// = TITLE
// This exception is raised if the client tries to
// withdraw more money than the current balance.
string reason;
};
readonly attribute float balance;
// Attribute to obtain the current <balance>.
void deposit (in float amount);
// Add <amount> to this account.
void withdraw (in float amount) raises (Overdraft);
// Withdraw <amount from this account.
attribute string name;
// The <name> of this account.
};
interface AccountManager
{
// = TITLE
// This interface is a factory for the <Account> objects. It has
// operations to create <Account>s and to delete them.
Account open (in string name,
in float initial_balance);
// Returns the <Account> associated with <name>. If this is the
// first time <name> has been seen, the server will create the
// account. Otherwise, the server will return back an object
// reference to a previously created account.
void close (in Account account);
// Close down the account and release its resources if it's the
// last reference to the <account>. Once this call is made it
// is no longer valid to access the <account>.
void shutdown ();
// This operation shuts down the server.
};
};
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