| C. Charlton, P. Leng, and M. Rivers. Using inheritence to provide schema views in a shared persistent object database. In Proceedings TOOLS Europe '94: Technology of Object-Oriented Languages and Systems, Versailles France, March 1994. |
....in the persistent value being bound can be dispatched in the program. Change the semantics of dispatching so that constraint error is raised if the required operation is not available. Of the possible solutions above, the second seems the most promising. Note that the approach suggested in [7] of treating records with unrecognised tags as members of a known superclass is not directly applicable to persistent Ada95, since it would break encapsulation of ADT s defined using tagged records. 3.6 Storage Management Another important new feature in Ada95 is the controlled type mechanism for ....
C. Charlton, P. Leng, and M. Rivers. Using inheritence to provide schema views in a shared persistent object database. In Proceedings TOOLS Europe '94: Technology of Object-Oriented Languages and Systems, Versailles France, March 1994.
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