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Topic: Prototype-oriented

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Prototype-based programming - Wikipedia, the free encyclopedia Prototype-based programming is a style and subset of object-oriented programming in which classes are not present, and behavior reuse (known as inheritance in class-based languages) is done by cloning existing objects which serve as prototypes for the new ones. The original (and canonical) example of a prototype based language is Self, but the class-less programming style has recently grown increasingly popular, and has been adopted for the programming languages Cecil, JavaScript, NewtonScript, Io, MOO, REBOL, and several others. A prototype system starts with at least one atomic object loaded, and new objects are created by cloning existing ones. en.wikipedia.org /wiki/Prototype-oriented   (877 words)

November 93 - Prototype-based OOLs Prototypes form the basis of the data-description model in a prototype-based language and delegation is the mechanism by which code is dynamically selected for execution. You might have noticed that prototypes are simply data values, references to which are presumably stored in the objects cloned from them (commonly called their 'children'), and the delegates are also just references to objects. A prototype of a window object is itself a window object and it has all the data and behavioral features of any of the objects that it is used to create. www.mactech.com /articles/frameworks/7_6/Prototype-based_OOLs_Evins.html   (4302 words)

Psychological Criticism of the Prototype-Based OO-Languages Prototypes are special objects that cannot be used where normal objects can, they are meant only to be blueprints of which normal objects are constructed from. Prototypes, in the prototype theory, are objects as any other objects - it just happens that they are better examples of the category; that is all the difference there is. Prototypes are concrete, fully functional objects that are not instantiated from a class. www.helsinki.fi /~jppesone/papers/kandi.html   (7298 words)

Savage, Tools, Animation Prototype definition for toggle-able Material node that can choose among an array of material nodes, and is switchable at run time. This prototype generates bathymetry based on the input data, and uses Extrusion as the output geometry (with some problems as a result). This prototype also demonstrates why it is important that only the first node in a ProtoBody can render: so that it can serve as a special node type (such as Material). web.nps.navy.mil /~brutzman/Savage/Tools/Animation   (856 words)

Class Warfare: Classes vs. Prototypes For instance, the use of prototype cloning vs. metalevel object "factories" distinguishes the prototype-based architectures from the class-based ones. For instance, graphical objects such as character fonts and icons that are constructed interactively rather than created using some initialization protocol are better dealt with using prototypes. Class-based object oriented systems are far superior to conventional programming systems in meeting such demands [Foote 1988]. www.laputan.org /reflection/warfare.html   (1451 words)

Untitled Implementing the prototype approach to sharing knowledge in object oriented systems is an alternative mechanism called delegation, appearing in the actor languages, and several Lisp-based object oriented systems such as Director [Kahn 79], T [Rees 85], Orbit [Steels 82], and others. The philosophy of object oriented programming is to use the object representation to encode both the procedures and data of conventional languages. Prototype systems allow creating individual concepts first, then generalizing them by saying what aspects of the concept are allowed to vary. lieber.www.media.mit.edu /people/lieber/Lieberary/OOP/Delegation/Delegation.html   (6504 words)

Object Oriented Programming in JavaScript Prototype's in JavaScript are associated with an object's constructor. This is because I need to add these method definition to the newly created prototype object, rather than add them to the default prototype for the derived constructor function. And in fact, a prototype can refer to another prototype in a chain leading up to the prototype association with the base Object constructor. mckoss.com /jscript/object.htm   (1065 words)

EDBT'96:Exhibitions The main goals of the prototype are to support a large class of active rules semantics and to generate an optimized code for the rules execution on different database systems. After the prototype application has been generated, the design team (along with a selected group of application users) can use the rapid prototype to exercise (i.e., execute) the application (or a part of it) and verify its functional correctness. SgmlQL is an extension of the oriented object query language OQL. www.prism.uvsq.fr /~edbt/exhibitions.html   (13297 words)

Differential inheritance in JavaScript - MozillaZine Knowledge Base Differential Inheritance is a common prototype-oriented model that uses the concept that most objects are derived from other, more generic objects, and only differ in a few small aspects. By manipulating this property, a developer can emulate "differential inheritance", a common technique in prototype-oriented programming models. Each object maintains a reference to its prototype and a table of properties that are different. kb.mozillazine.org /Differential_inheritance   (382 words)

The work of Ron Gross - The Jupiter 2 Ron's completed Jupiter 2 prototype oriented to resemble the take-off scenes from "Blast-off into Space," and "Condemned on Space." The Jupiter 2 prototype set against a color print background of Ron's favorite alien landscape rendition. The custom designed and built lighting circuit for Ron's prototype. www.promisedplanet.com /RonGross/Jupiter2.htm   (412 words)

Prototype JavaScript Framework: Class-style OO, Ajax, and more Prototype is a JavaScript framework that aims to ease development of dynamic web applications. Featuring a unique, easy-to-use toolkit for class-driven development and the nicest Ajax library around, Prototype is quickly becoming the codebase of choice for Web 2.0 developers everywhere. Rico, rich Ajax components and effects built on Prototype prototype.conio.net   (78 words)

DESIGNING A NATIONAL GEOLOGIC MAP DATABASE—THE KENTUCKY OBJECT-ORIENTED PROTOTYPE The longest standing prototype uses geologic map information from Kentucky in a data model with an object-oriented design, and was implemented in GE-Smallworld database technology. The prototype was developed by analyzing existing map data for a 30 x 60 minute geologic quadrangle (composed of 32 7.5-minute quadrangles) to identify necessary database features. Subsequent prototypes will advance the concepts developed here, and will begin to provide public access to the geologic database. gsa.confex.com /gsa/2002NC/finalprogram/abstract_31508.htm   (469 words)

English: Computers: Programming: Languages: Object-Oriented: Prototype-based - DiTuDo Û© ۝ ۞ ● Brain - High-level, pure object-oriented, prototype based, scripting language; Smalltalk-like syntax; some features borrowed from Scheme, Self, JavaScript. Mica - Was Poe: prototype inheritance language and OO virtual machine for building network-accessible programs for multiple programmers, users, agents. www.ditudo.com /English/Computers/Programming/Languages/Object-Oriented/Prototype-based   (255 words)

Prototype of a Run-Time Adaptable, Object-Oriented System J.H. Fröhlich, Prototype of a Run-Time Adaptable, Object-Oriented System, LNCS 1181, pp. This paper presents a simple language together with a small run-time environment that enable communication with and adaption of objects, each of which can be a prototype for other objects. Like a chameleon, which can adapt the color of its skin to the color of its environment, the system provides means to easily and quickly adapt a program consisting of such objects to changing requirements. www.swe.uni-linz.ac.at /publications/abstract/TR-SE-96.10.html   (115 words)

An Object-Oriented Approach to Astronomical Databases We describe here an implementation of a prototype object-oriented database, distributed in a client-server framework that is capable of both handling these volumes of data and facilitating geometric queries in an efficient manner. Our prototype system currently employs Objectivity, a commercial object-oriented database management system, for maintaining the persistence of our objects. A second prototype using the IRAS point source catalog is under construction. www.adass.org /adass/proceedings/adass94/brunnerr.html   (1581 words)

Prototype Design Pattern in C# and VB.NET code demonstrates the Prototype pattern in which new objects are created by copying pre-existing objects (prototypes) of the same class. Specify the kind of objects to create using a prototypical instance, and create new objects by copying this prototype. code demonstrates the Prototype pattern in which new Color objects are created by copying pre-existing, user-defined Colors of the same type. www.dofactory.com /Patterns/PatternPrototype.aspx   (137 words)

Object Oriented Prototype The rapid prototype provided has been through many stages at this point and will continue to be developed and enhanced. Commented source code will be updated occasionally as the prototype is developed further. There are still some functions needed and some bugs to fix. www.scis.nova.edu /~johnsont/weekly07.html   (186 words)

Cetus Links: 16604 Links on Objects and Components / Self Prototype-based languages and systems are made up of self describing objects, unlike classical object oriented systems in which objects are described by classes. Workshop on Prototype Based Object Oriented Programming (ECOOP '97) More recently, the philosphical focus of prototype-based programming (on concrete objects, rather than on abstractions like classes) has been recognised as at least as important as how objects are created, so this kind of programming has also been called object-based or object-centered. www.cetus-links.org /oo_self.html   (318 words)

Visual Directory High-level, pure object-oriented, prototype based, scripting language; Smalltalk-like syntax; some features borrowed from Scheme, Self, JavaScript. Was Poe: prototype inheritance language and OO virtual machine for building network-accessible programs for multiple programmers, users, agents. OO prototype-based, reflective language, based on only message passing, a key trait of OO languages; it allows late-binding polymorphism, the key trait making possible incremental modifying of programs. www.crossborderassetmanagement.com /dir.php?c=/Computers/Programming/Languages/Object-Oriented/Prototype-based   (222 words)

Object Oriented Rapid Prototyping Keywords: book review, software, programming, rapid prototype, object oriented, computer science. Abstract: How object-oriented rapid prototyping can produce high-quality, clearly-documented, easily-maintainable software with minimum total effort. Author: Connell, John L., 1943- Title: Object-oriented rapid prototyping / John L. Connell, Linda I. Shafer. www.weyrich.com /book_reviews/oo_rapid_prototyping.html   (103 words)

An Object--Oriented Prototype for a Geophysical Database (ResearchIndex) 1 Object--oriented prototype for a geophysical database: Progr.. 1 Object oriented developmentTheFusionmethod (context) - Patrick, Bodoff et al. Abstract: Database management systems (DBMSs) are being used in a wide variety of domains to handle many types of data. citeseer.ist.psu.edu /44938.html   (260 words)

Product Configurations - An Application for Prototype Object Approach - Peltonen, Mannisto, Alho, Sulonen (ResearchIndex) @incollection{ peltonen94product, author = "Hannu Peltonen and Tomi M{\"a}nnist{\"o} and Kari Alho and Reijo Sulonen", title = "Product Configurations --- An Application for Prototype Object Approach", booktitle = "Object Oriented Programming, ECOOP-94", publisher = "Springer-Verlag", series = "Lecture Notes in Computer Science", volume = "821", pages = "513--534", year = "1994", url = "citeseer.ist.psu.edu/peltonen94product.html" } A prototype-based object model with inheritance tree transformations, constraints and component relationships is presented as a... Problems with the traditional type-instance model in this application domain are then identified and given as motivation for the prototype approach. citeseer.ist.psu.edu /peltonen94product.html   (606 words)

Webdrome - Cecil Cecil is a pure object-oriented, prototype-based language made to support fast building of high-quality, extensible software. It combines multi-methods with a simple classless object model (prototypes), a kind of dynamic inheritance, modules, and optional static type checking. webdrome.com /Top/Computers/Programming/Languages/Cecil   (212 words)

Langsmith Languages The idea was to use English word "familiarity" to best effect in an object oriented (prototype-based) language. Heron supports several software development techniques and methodologies, including, but not limited to, object oriented programming (OOP), aspect oriented programming (AOP), generic programming, design by contract (DbC), metaprogramming, functional programming and interface oriented programming (IOP). Wrapl was created initially as a faster implementation of Icon, then as an improved version and finally as a language that I liked and could use. www.mike-austin.com /home/reference/languages/index.shtml   (822 words)

Moonflare: MLud: Feature summary Thus, a class is represented in MLud as an object, complete with state, while the equivalent of its instances delegate to the class object, except that functionality can be added to the "instances", and new objects can, in turn, delegate to them. The resulting structures allow high flexibility at run-time, and foster fast prototyping and better conceptual models of the system. moonflare.com /code/mlud/summary.php   (1047 words)

Issues for Implementing User Interface Software Rather, everything is an object, and a single feature, inheritance from a prototype object, is used to describe object instantiation and inheritance of code. Prototype-based language do not make the distinction between classes and objects. Changing an object's properties is possible as well as changing its behaviour by inserting some code into it. www.cc.gatech.edu /classes/cs6751_97_fall/projects/gacha/schoedl-final.html   (2666 words)

Sencer.de: Prototype: Object-Oriented Javascript Library Prototype: Object-Oriented Javascript Library # (filed under Develop) See also the list of Sites I read regularly or the most current links. www.sencer.de /links/1271/prototype-object-oriented-javascript-library   (57 words)

LookUpDesign Open source, high-level, pure object-oriented, prototype based, scripting language; Smalltalk-like syntax; some features borrowed from Scheme, Self, JavaScript. www.lookupdesign.com /cat.cgi?cat=6210   (54 words)

Articles from TRAKing Ahead , the Club's Newsletter, that relate to prototype railroading. The various logos and heralds shown here are the property of their respective organizations. Check through the topics; you may find something of particular interest for you! www.trainweb.org /nrmrc/taprototype.html   (2058 words)

Directory - Computers: Programming: Languages: Smalltalk: Self Self is a Smalltalk follow-on, and can be seen as a Smalltalk variant or dialect; though this is not strictly so if one defines Smalltalks as based on classes only, not prototypes. Has newest public release, papers on Self, OO, and prototype programming, tutorial, education resources, mail list archive, links. Its development was inspired and strongly influenced by the pioneering work on Smalltalk By Xerox PARC. www.deerlakesearch.com /default?p=6213   (458 words)

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