topdown.service
Class BankServiceImpl

java.lang.Object
  topdown.service.BankServiceImpl

public class BankServiceImpl

extends java.lang.Object

The is the bank service implementation class. It implements the remote service interface and creates the underlying bank class this service makes available to remote users.

Field Summary

private Bank

m_bank The underlying bank instance.

Constructor Summary

BankServiceImpl()
Creates a bank service instance that wraps a bank object.

Method Summary

java.lang.String	createAccount(java.lang.String acctName, float initBalance) Creates a bank account.
void	deposit(java.lang.String acctID, float amount) Deposits money into the given account.
java.lang.String	getAccountID(java.lang.String acctName) Returns the account ID associated with the provided account owner's name.
float	getBalance(java.lang.String acctID, java.lang.String acctName) Returns the current balance of the account.
void	withdraw(java.lang.String acctID, float amount) Withdraws money from the given account.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

m_bank

private Bank m_bank

The underlying bank instance.

Constructor Detail

BankServiceImpl

public BankServiceImpl()

Creates a bank service instance that wraps a bank object.

Method Detail

createAccount

public java.lang.String createAccount(java.lang.String acctName,
                                      float initBalance)
                               throws java.rmi.RemoteException,
                                      AccountException

Creates a bank account. This class simply delegates the call to the underlying bank instance.

Parameters:

acctName - the name of the account owner.

initBalance - the initial balance for the account.

Returns:

the account ID.

Throws:

java.rmi.RemoteException - if an unexpected system error occurs.

AccountException - if the initial balance is insufficient (<= 0).

deposit

public void deposit(java.lang.String acctID,
                    float amount)
             throws java.rmi.RemoteException,
                    AccountException

Deposits money into the given account.

Parameters:

acctID - the ID of the account into which the deposit is made.

amount - the amount of money to deposit.

Throws:

java.rmi.RemoteException - if an unexpected system error occurs.

AccountException - if no account is found for the given account ID.

withdraw

public void withdraw(java.lang.String acctID,
                     float amount)
              throws java.rmi.RemoteException,
                     AccountException

Withdraws money from the given account.

Parameters:

acctID - the account ID for the account from which the money will be withdrawn.

amount - the amount of money to withdraw.

Throws:

java.rmi.RemoteException - if an unexpected system error occurs.

AccountException - if the amount of money withdrawn exceeds the maximum amount allowed ($2000.00).

getBalance

public float getBalance(java.lang.String acctID,
                        java.lang.String acctName)
                 throws java.rmi.RemoteException,
                        AccountException

Returns the current balance of the account.

Parameters:

acctID - the account ID of the account.

acctName - the name of the account owner.

Returns:

the balance of the account.

Throws:

java.rmi.RemoteException - if an unexpected system error occurs.

AccountException - if no account is found for the given account ID.

getAccountID

public java.lang.String getAccountID(java.lang.String acctName)
                              throws java.rmi.RemoteException,
                                     AccountException

Returns the account ID associated with the provided account owner's name.

Parameters:

acctName - the name of the account owner.

Returns:

the account ID.

Throws:

java.rmi.RemoteException - if an unexpected system error occurs.

AccountException - if no account is found for the provided owner name.