This interface is implemented by a product persistance class.
In that way we can dynamically load a persistance class depending
on what version of java we are running or what kind of datastore
which are available
See Also:com.memoire.vainstall.builder.VAIProductModel author: Henrik Falk version: $Id: ProductPersisterInterface.java,v 1.1 2001/09/28 19:41:42 hfalk Exp $