We are currently designing a class modification methodology for GemStone. We describe the current status of the design. We choose from two basic approaches and then Introduce those aspects of Gem-Stone necessary for a...
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The Trellis programming environment supports programming in Trellis/Owl, an object-based language with multiple inheritance and compile-time type-checking. Trellis is composed of a number of integrated tools that shar...
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This paper describes the application of object-orientedprogramming to the design of a multiprocessor ESM testbed. The ESM testbed uses an object-oriented development environment which integrates Smalltalk and C langu...
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Ida is an object-oriented framework for interactive data graphics. It can be used for independent data examination or integrated into application user interfaces. Ida's model of graphics is composed of five basic ...
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Visual languages are loosely defined as interactive graphical methods of specifying to a computer some set of actions to perform. They are not just visual presentations nor simply the interactions necessary to operate...
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Sloop is a parallel language and environment that employs an object-oriented model for explicit parallel programming of MIMD multiprocessors. The Sloop runtime system transforms a network of processors into a virtual ...
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This paper shows how an attempt at a uniform and reflective definition resulted in an open-ended system supporting ObjVlisp, which we use to simulate object-oriented language extensions. We propose to unify Smalltalk ...
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This paper describes an approach to object-oriented interface design that goes beyond mere object decomposition. In our user interface management system we use logic and filters to declaratively specify and control a ...
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This paper compares two approaches to meeting the data handling requirements of Intermedia, a hypermedia system developed at the Institute for Research in Information and Scholarship at Brown University. Intermedia, t...
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The problem of developing a concurrency-control mechanism for a distributed object-orientedprogramming environment that allows several users on workstations to share objects in a transparent manner is addressed. An i...
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ISBN:
(纸本)0818607807
The problem of developing a concurrency-control mechanism for a distributed object-orientedprogramming environment that allows several users on workstations to share objects in a transparent manner is addressed. An intuitive transaction model is obtained for the object-oriented environment that incorporates operation (method) inheritance with arbitrarily nested transactions. A simple implementation of the concurrency control mechanism, based on method-specific locking, is described. The approach can be applied to existing object-orientedsystems such as Smalltalk.
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