Package data

Provides interfaces for data management.

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Description

Interface Summary

BasketEntryValue	Helper interface used to determine the value of a DataBasketEntry when summing up DataBaskets.
Catalog	A Catalog.
CatalogItem	An item in a Catalog.
CountingStock	A Stock that counts for each CatalogItem in the associated Catalog how many objects of that type are actually available.
Currency	A special Catalog that represents a currency.
CurrencyItem	An item in a Currency.
DataBasket	An object collecting information about a activities on data objects in a shop.
DataBasketCondition	Condition used for filtering DataBaskets.
DataBasketEntry	An entry in a DataBasket.
DataBasketEntryDestination	Tag interface to be implemented by destinations for DataBasketEntries.
DataBasketEntrySource	Tag interface to be implemented by sources for DataBasketEntries.
DataBasketKeys	Framework defined main keys.
ListenableCatalog	A Catalog that fires events to inform about changes to its contents.
ListenableDataBasket	A DataBasket that will fire events to inform about changes to its contents.
ListenableStock	A Stock that will fire events to inform about changes to its contents.
MoneyBag	Tag interface marking CountingStocks that work together with Currencies.
Nameable	An object that has a name that complies with a NameContext's rules.
NameContext	A name context.
Stock	A Stock.
StockFromValueCreator	Strategy that increases a Stock's total value by adding StockItems that sum up to a given amount.
StockItem	An item in a Stock.
StoringStock	Tag interface that identifies StoringStocks.
Value	An objectified value.

Class Summary

AbstractNameable	Convenience class implementing the Nameable interface.
BasketEntryValues	A collection of convenience BasketEntryValues.
CatalogItemValue	Objectifier to compute the value of a CatalogItem.
DataBasketConditionImpl	Basic implementation of the DataBasketCondition interface.
DefaultCountingStockFromValueCreator	A StockFromValueCreator for CountingStocks.
DoubleValue	A NumberValue that is based on a java.lang.Double object.
IntegerValue	A value that is based on an Integer object.
NumberValue	Values that operate on numbers.
QuoteValue	A QuoteValue consists of two values: A bid and an offer.
StockFromStockCreator	StockFromValueCreator that tries to fill a Stock using only items from another Stock.
StockFromStockCreatorBT	A StockFromStockCreator that performs backtracking.

Exception Summary

CatalogConflictException	An exception thrown when a catalog conflict was detected.
DataBasketConflictException	Exception thrown to indicate some operation cannot be performed succesfully because of the isolation rules associated with DataBaskets and the container.
DuplicateKeyException	Exception thrown when an attempt was made to add an item with a key that already existed in a container.
NameContextException	Exception thrown by Nameable.setName(java.lang.String, data.DataBasket) if a new name does not comply with NameContext rules.
NotEditableException	Exception thrown when an attempt is made to edit an item that was not retrieved for editing.
NotEnoughElementsException	Exception thrown by Stock if you attempt to remove more elements than there are actually available.

Package data Description

Provides interfaces for data management. Concrete implementations can be found in the data.ooimpl package.