bank

Class Transaction

java.lang.Object

bank.Transaction

Direct Known Subclasses:

AccountStatementRequest, Withdrawal

public abstract class Transaction
extends java.lang.Object

Abstract class for representing transactions. Each transaction is related to exactly one account (this is not visible in this class, because transactions are stored by accounts and not the other way round) and takes place at a particular point of time. All Transaction subclasses are immutable, i.e. the objects cannot be altered after creation

Constructor Summary

Constructors

Constructor and Description
Transaction(int date)

Method Summary

Methods

Modifier and Type	Method and Description
int	getDate()
abstract void	replay(PermanentAccount target) The design pattern "Strategy" is used for implementing the synchronisation of offline account proxies with the permanent accounts.

Methods inherited from class java.lang.Object

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

Constructor Detail

Transaction

public Transaction(int date)

Method Detail

getDate

public int getDate()

Returns:

Returns the date at which this transaction takes place

replay

public abstract void replay(PermanentAccount target)

The design pattern "Strategy" is used for implementing the synchronisation of offline account proxies with the permanent accounts. Invoking this method carries out this transaction an the real account

Parameters:

target - the permanent account on which this transaction is supposed to be carried out