data.ooimpl
Class CountingStockItemDBEntry

java.lang.Object
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  +--data.ooimpl.DataBasketEntryImpl
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        +--data.ooimpl.StockItemDBEntry
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              +--data.ooimpl.CountingStockItemDBEntry

public class CountingStockItemDBEntry

extends StockItemDBEntry

DataBasketEntry describing operations with CountingStock's items. The fields of the DataBasketEntry are set as follows:

Field	Value
main key	STOCK_ITEM_MAIN_KEY
secondary key	name of the StockItem in question
source	source stock
destination	destination stock
value	an Integer representing the number of StockItems that were moved.

Since:

v2.0

Version:

2.0 19/08/1999

Author:

Steffen Zschaler

See Also:

Serialized Form

Inner Class Summary

static class

CountingStockItemDBEntry.CSDBELogEntry LogEntry describing an operation on CountingStock StockItem's.

Inner classes inherited from class data.ooimpl.StockItemDBEntry

StockItemDBEntry.StockItemDBELogEntry

Fields inherited from class data.ooimpl.DataBasketEntryImpl

m_dbedDest, m_dbesSource, m_dbiOwner, m_fHandled, m_oValue, m_sMainKey, m_sSecondaryKey

Constructor Summary

CountingStockItemDBEntry(String sKey, StockImpl stiSource, StockImpl stiDest, int nCount)
Create a new CountingStockItemDBEntry.

Method Summary

int	count() Count the affected items.
LogEntry	getLogData() Create and return a LogEntry describing this DataBasketEntry.
void	partialRollback(int nCount) Rollback the operation described by this DataBasketEntry for a given number of items.

Methods inherited from class data.ooimpl.DataBasketEntryImpl

commit, getDestination, getMainKey, getOwner, getSecondaryKey, getSource, getValue, isHandled, rollback, setOwner

Methods inherited from class java.lang.Object

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

Constructor Detail

CountingStockItemDBEntry

public CountingStockItemDBEntry(String sKey,
                                StockImpl stiSource,
                                StockImpl stiDest,
                                int nCount)

Create a new CountingStockItemDBEntry.

Parameters:

sKey - the affected key.

stiSource - the source Stock.

stiDest - the destination Stock.

nCount - the number of affected items. This will be stored as the value attribute of the DataBasketEntry.

Method Detail

count

public int count()

Count the affected items.

Override:

Never.

Returns:

the number of affected items.

Overrides:

count in class StockItemDBEntry

partialRollback

public void partialRollback(int nCount)

Rollback the operation described by this DataBasketEntry for a given number of items.

The method will rollback the operation for the given number of items, updating the underlying DataBasket correctly.

Attention: The method is public as an implementation detail and should not be called directly.

Override:

Never.

Parameters:

nCount - the number of items for which to rollback the operation.

Throws:

IllegalArgumentException - if nCount >= count().

getLogData

public LogEntry getLogData()

Create and return a LogEntry describing this DataBasketEntry.

Override:

Sometimes.

Overrides:

getLogData in class StockItemDBEntry