Maintaining presentation invariants in the Views system:

Abstract: "The Views system is an open application integration environment, in which the data layer and user interface layer are supplied by the system. Objects in this environment can be linked through invariants; when the value of either of the objects changes, the others is updated to match...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: Ganzevoort, Job (VerfasserIn)
Format: Buch
Sprache:English
Veröffentlicht: Amsterdam 1992
Schriftenreihe:Centrum voor Wiskunde en Informatica <Amsterdam> / Department of Computer Science: Report CS 92,62
Schlagworte:
Zusammenfassung:Abstract: "The Views system is an open application integration environment, in which the data layer and user interface layer are supplied by the system. Objects in this environment can be linked through invariants; when the value of either of the objects changes, the others is updated to match the invariant. The invariant mechanism is also used for the presentations of objects on screen. If an object changes, the presentation is updated, but also the inverse should be true: if the presentation changes, eg. by an edit action, the structure of the object should be updated incrementally to match the presentation. In this report, an incremental implementation of some functional list operators (map, reduce, filter) is presented, and then, using these operators, a general parsing algorithm is described
The resulting parser is therefore automatically incremental, without any attention being paid to incrementality in the algorithm.
Beschreibung:47 S.

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