Process and apparatus for manipulating a boundless data stream i

Details Process and apparatus for manipulating a boundless data stream i Process and apparatus for manipulating a boundless data stream i

1989-10-23

1993-04-13

Kulik, Paul V.

Boots, shoes, and leggings

395425, 364DIG1, 3642821, 3642831, 3642833, 364245, 364246, G06F 1540, G06F 15403

Patent

active

052029816

ABSTRACT:
A process and apparatus for manipulating boundless data streams in an object oriented programming system provides a stream class of objects which includes as attributes an ordered list of object references to selected ones of the data objects stored in the data storage device. Methods for manipulating the object include move to first, move to last, move to next and move to previous which provide a bi-directional data stream. The data appears to the user as though it resides entirely in memory, even though it does not. The stream class implements a "sliding window" in an object oriented programming system which permits manipulation of any number of lists of virtually unlimited size when remaining within the physical limitations of finite storage.

REFERENCES:
patent: 4791550 (1988-12-01), Stevenson et al.
patent: 4821220 (1989-04-01), Duisberg
patent: 4853843 (1989-08-01), Ecklund
Gray, S. N., "Notes on Database Operating Systems", In Operating Systems: An Advanced Course, ed. R. Bager et al., 1977, Chapter 3.f., 394-481.

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