Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Reexamination Certificate
1998-10-19
2001-04-03
Bayerl, Raymond J. (Department: 2773)
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
C345S215000, C345S215000, C345S215000, C345S215000, C709S241000
Reexamination Certificate
active
06211872
ABSTRACT:
BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to technology for efficiently developing and processing a plurality of screens and state transitions for business application software that perform, illustratively, fundamental office administration processes.
2. Description of the Related Art
Given their multi-functionality, business software applications that perform basic office administration and like process comprise a plurality of screens and are executed while states thereof undergo complex transitions. Accordingly, a device that efficiently develops and processes a plurality of screens and transition states for business application software is desired.
Application generating frameworks, such as fourth generation language (4GL) and card-type databases that automatically time database and display screen interaction have been available hitherto. Such systems are, however, ill-suited to handling screen transitions inherent in complex condition judgments and attendant data not stored in a database. This is attributable in part to the one-to-one correspondence between screens and database items, as well as the need to create code to control states for each screen.
The related art is plagued further by its inability to respond to so-called three-tier client server systems that have taken into consideration load dispersion.
Furthermore, because screens in the related art are prepared based on database items, independent determination of screen definitions is problematic. In actual development processes there have been many instances in which database items and screen items are simultaneously developed with the aim of enhancing efficiency. However, application of the related art to these types of situations has been difficult.
In card-type databases, on the other hand, database items are determined contemporaneously with screen development. This type of arrangement, too, is questionable, because of its inability to express complex relationships among data that are used, illustratively, in relational databases.
SUMMARY OF THE INVENTION
The present invention is effected against the background recited above and makes possible the efficient development of interactive business applications comprising a plurality of screens. The present invention also makes possible the automated generation of portions of software based on specification documents generated at the time specifications are prepared. Furthermore, the present invention aims to increase the effectiveness of software development and protection, by separating screen display, action execution, and database operating areas.
The present invention presupposes an apparatus for constructing and operating interactive software based on specification definitions.
Additionally, a state transition definition table describes state transition definitions. State transition table generating classes are automatically generated from a state transition definition table. A state transition management module controls screen state transition utilizing the state transition table, which is generated from state transition table generation classes, based upon the input of events originating from a screen. The state transition management module controls screen display based upon state transition.
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Hara Hirotaka
Matsutsuka Takahide
Nagahashi Kenji
Uehara Sanya
Bayerl Raymond J.
Fujitsu Limited
Nguyen Thomas T.
Staas & Halsey , LLP
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