(Part of the CORBA FAQ, Copyright © 1996-99)
[Recently created (10/1999). Click here to go to the next FAQ in the “chain” of recent changes]
The Persistent State Service (PSS) is designed to be a CORBA-friendly form of persistence management. The PSS superceeds the POS.
Unlike the POS that attempted to provide both a client IDL interface for persistence control and a server-side layer for allowing CORBA implementation objects to save their state, the PSS focuses on only the latter.
At a high-level the PSS is an IDL defined abstraction layer of data storage. It needs to be implemented for a particular datastore, such as a file system, a relational database, or an OODB. This allows CORBA implementation objects to be abstracted from their storage mechanisms, much like ODBC/JDBC abstract relational databases.
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