Basic HTML version of Foils prepared July 6 99

Foil 130 Persistence - II

From Object Web Computing Technologies CPS714 Computational Science Information Track -- June 16 99. by H. Timucin Ozdemir


1 A storage home defines an interface for managing instances of a specified storage type.
2 A storage home definitions can introduce a primary key definition. This produces a factory, finder, and destructor operations related to this primary key definition.
3 A storage home interface includes operations to create storage objects, find incarnations of storage objects, and destroy instances of the storage type associated with the manager.
4 A storage home is responsible for maintaining mapping between primary key values and storage objects.
5 On creation of a storage object, storage home assigns a persistent id (unique into Persistent Store) and StorageHomeBase.

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