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Topic: Software design pattern

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	Design pattern (computer science) - Wikipedia, the free encyclopedia
		A design pattern isn't a finished design that can be transformed directly into code; it is a description or template for how to solve a problem that can be used in many different situations.
		Object-oriented design patterns typically show relationships and interactions between classes or objects, without specifying the final application classes or objects that are involved.
		Design patterns can be classified based on multiple criteria, the most common of which is the basic underlying problem they solve.
	en.wikipedia.org /wiki/Design_pattern_(computer_science) (1144 words)

	Why Software Design Patterns?
		A software design pattern documents a solution to a fairly generic problem -- one that the pattern author has seen in more than one design -- along with some comments and recommendations on applying it.
		For example, if I design a system which uses the Composite pattern to implement a hierarchical object structure, all I need to say to a programmers is: “I used the Composite pattern here” and then articulate the specifics of how I applied it.
		The key reason is that the patterns published by the GOF not only provide good solutions to common problems, but also explain why they are good, how others have applied them in the past -- with examples and code -- and discuss the forces they do and do not resolve.
	patterndigest.tripod.com /home.html (502 words)

	Patterns and Software: Essential Concepts and Terminology (Site not responding. Last check: 2007-11-06)
		Design patterns are medium-scale tactics that flesh out some of the structure and behavior of entities and their relationships.
		Patterns aren't designed to be executed or analyzed by computers, as one might imagine to be true for rules: patterns are to be executed by architects with insight, taste, experience, and a sense of aesthetics.
		Design patterns may be employed both in the design and the documentation of a framework.
	www.cmcrossroads.com /bradapp/docs/patterns-intro.html (10993 words)

	CACM Guest Editorial on Software Patterns
		Pattern languages are not formal languages, but rather a collection of interrelated patterns, though they do provide a vocabulary for talking about a particular problem.
		Early adopters of software patterns were highly influenced by Christopher Alexander, who is a researcher at University of California, Berkeley that has written extensively on patterns found in architecture for houses, buildings, and communities.
		One difference between patterns and frameworks is that patterns are described in language-independent manner, whereas frameworks are generally implemented in a particular language.
	www.cs.wustl.edu /~schmidt/CACM-editorial.html (1921 words)

	Design pattern (computer science) (Site not responding. Last check: 2007-11-06)
		In software engineering, design patterns are standard solutions to common problems in software design.
		Design patterns describe abstract systems of interaction between classes, objects, and communication flow.
		The definition of design pattern is based on the definition in Design Patterns.
	www.worldhistory.com /wiki/D/Design-pattern-(computer-science).htm (1030 words)

	Flyweight pattern - Wikipedia, the free encyclopedia
		In the flyweight pattern, the data has no pointers to the data type methods, because these would consume too much space.
		One classic example of a flyweight pattern are the characters stored in a word processor.
		There is also a version of this pattern for working with XML structures.
	en.wikipedia.org /wiki/Flyweight_pattern (287 words)

	Peachpit Press - UML Pattern Language, A (Site not responding. Last check: 2007-11-06)
		I clearly establish why I don't address "Design Patterns" and why, for example, I use a pattern form which is the other accepted form in the pattern community.
		Software Design Patterns is something to do with your coding - at least according to the classical design pattern book by "The Gang of Four".
		Organized around the design pattern paradigm, each topic is short and pithy; so much so that often, after reading one, I have to stop and go apply the lesson to my product, project, or organization.
	safari.peachpit.com /main.asp?bookname=157870118X (1257 words)

	A CLASSIFICATION OF DESIGN PATTERNS
		For example a design pattern that concerns managing of dynamic objects lifetime is useful when designing for languages that lack garbage-collection but superfluous regarded to languages that support it.
		In this design re-work you should be able to identify where a pattern could be applied and then adjust the model using the pattern as a guide that should lead you to an implementation.
		Patterns that belong to the category related object-families are applicable on a group or family of objects where some or all objects are related by inheritance.
	www.cs.umu.se /~jubo/ExJobbs/MK/patterns.htm (11880 words)

	anu(e)scape - Online Software Design Pattern Links
		Patterns and Pattern Languages are ways to describe best practices, good designs, and capture experience in a way that it is possible for others to reuse this experience.
		Stars: A Pattern Language for Query Optimized Schema : Star Schema 101 : Star Schema, and it's counterpart, the Snowflake Schema, is a fundamental pattern for query optimization, for example, in a data warehouse.
		Patterns for Concurrent, Parallel, and Distributed Systems : Doug Schmidt and his colleagues have written design patterns for building distributed, concurrent, and parallel software architectures.
	www.anupriyo.com /oopfm.shtml (1100 words)

	jGuru: What is a software design pattern?
		A design pattern is a solution to a general software problem within a particular context.
		Design patterns capture solutions that have evolved over time as developers strive for greater flexibility in their software.
		The study of design patterns provides a common vocabulary for communication and documentation, and it provides a framework for evolution and improvement of existing patterns.
	www.jguru.com /faq/view.jsp?EID=1132 (131 words)

	Essential Software Design Patterns (Site not responding. Last check: 2007-11-06)
		A software design pattern describes a family of solutions to a software design problem.
		It consists of one or several software design elements such as modules, interfaces, classes, objects, methods, functions, processes, threads, etc., relationships among the elements, and a behavioral description.
		This document catalogues a large number of software design patterns from a variety of sources, in particular from the literature on software architecture and various books and conferences about design patterns.
	wwwipd.ira.uka.de /~tichy/patterns/overview.html (249 words)

	Amazon.com: Books: Design Patterns: Elements of Reusable Object-Oriented Software (Addison-Wesley Professional ... (Site not responding. Last check: 2007-11-06)
		Design Patterns is a modern classic in the literature of object-oriented development, offering timeless and elegant solutions to common problems in software design.
		Rather than approaching each design task out of context as an individual, isolated problem, the strategy is to study the task and identify the underlying design pattern most likely to be applicable, and follow the class structure outlined by that pattern.
		As it is, the study of design patterns is in danger of becoming a study of this book rather than a study of how to actually write better code using patterns.
	www.amazon.com /exec/obidos/tg/detail/-/0201633612?v=glance (2569 words)

	Techquila - What Makes A Topic Map Design Pattern
		For a topic map design pattern, it is proposed that these four elements be present and used in exactly the same way as for software design patterns.
		The names used in a software design pattern are simply handles used for the purposes of explanation of the pattern whereas in a topic map design pattern, the Published Subject Identifiers are the proposed identifiers to be used in the implementation of the pattern.
		Finally all topic map design patterns should include at least one example as a complete example in at least one topic map syntax is a useful tool for conveying the essence of the pattern to an experienced topic map author.
	www.techquila.com /tmsinia_3.html (710 words)

	Pattern Languages of Program Design: Back Cover Copy (Site not responding. Last check: 2007-11-06)
		The first conference on Pattern Languages of Program Design (PLoP) was a watershed event that gave a public voice to the software design pattern movement.
		Seventy software professionals from around the world worked together to capture and refine software experience that exemplifies the elusive quality called "good design." This volume is the result of that work--a broad compendium of this new genre of software literature.
		Patterns are a literary form that take inspiration from literate programming, from a design movement of the same name in contemporary architecture, and from the practices common to the ageless literature of any culture.
	www.bell-labs.com /topic/books/PLoPD1/BackCoverCopy.html (275 words)

	PLYBOATS Boat Design Software Flat Pattern Boatbuilding
		The boat is used in the Luhr's yard to move yachts and for fire safety in the harbor.
		The designer -builder says it went together easily and it planes in a 5 knot wind.
		If you are an engineer, this software combined with design export to CAD is a great approach to yacht design.
	www.plyboats.com (748 words)

	[No title] (Site not responding. Last check: 2007-11-06)
		Towards a Family of Pattern Languages for Simulation Software Design Wolfgang Kreutzer, Department of Computer Science University of Canterbury, Christchurch, New Zealand e-mail: wolfgang@cosc.canterbury.ac.nz fax: 0064 - 3 3 642 569 phone: 0064 - 3 3 642360 ABSTRACT: This paper describes the foundations for a family of pattern languages for simulation software design.
		After some introductory comments of the nature and purpose of simulation modelling a number of different simulation frameworks are briefly classified and discussed on the basis of their dominant abstractions.
		The paper concludes with some speculations about benefits of a pattern language for simulation software design and its potential impact on component reuse.
	www.cs.wustl.edu /~schmidt/PLoP-96/kreutzer.txt (155 words)

	>☞ > Buy best SAS Certification Prep Guide: Base Programming Search cheapest in (Site not responding. Last check: 2007-11-06)
		Note, though, that it's not a tutorial but a catalog that you can use to find an object-oriented design pattern that's appropriate for the needs of your particular application--a selection for virtuoso programmers who appreciate (or require) consistent, well-engineered object-oriented designs.
		With Design Patterns, you get to take advantage of the best practices and experience of others, so that you can spend your time on...something else.
		Designed for new and experienced SAS users who want to prepare for the SAS Base Programming certification exam, this comprehensive guide covers all of the objectives tested on the exam and more.
	www.javadot.com /1software-design,java/Catalog-BrowseNode-4011:Books-BrowseNodeName-Software_Design.htm (945 words)

	SENG 609.04
		Design pattern provides a solution to a problem that occurs over and over again within a specific context and by identifying the patterns in the software design, it allows us to reuse the same structure on similar problems and also help software developers to communicate more efficiently through a common knowledge.
		By being a structural pattern which means that Decorator is mostly concerned with how objects and classes are composed to form this structure.
		So software decorators are like cell phone plates or antenna, where it encapsulates some functionality that can be snap onto or add on to an existing object.
	www.ucalgary.ca /~samulee/seng60904/paper.html (1956 words)

	design pattern developer concept from the Object Oriented Software Engineering knowledge base (Site not responding. Last check: 2007-11-06)
		should not write patterns for others to use until he or she has considerable experience both in software design and in the use of patterns
		Efforts at creating reusable software are often done in a hurry and without enough attention to quality.
		often underestimates software development time because it is very hard for people to assess the quality of software or to appreciate the amount of work involved in its development
	www.site.uottawa.ca:4321 /oose/designpatterndeveloper.html (612 words)

	Software Design Pattern
		"A pattern is a named nugget of instructive information that captures the essential structure and insight of a successful family of proven solutions to a recurring problem that arises within a certain context and system of forces." All of us are using one or other pattern with or without knowledge.
		This is the summary to the GOF Patterns.
		The Visitor Pattern provides an alternative way to implement operations that avoid complicating the classes of the objects in the structure by putting all of the necessary logic in a separate visitor class.
	www.ciol.com /content/technology/sw_desg_patt (817 words)

	Design Patterns in C# and VB.NET - Gang of Four (GOF)
		Design patterns are recurring solutions to software design problems you find again and again in real-world application development.
		Patterns are about design and interaction of objects, as well as providing a communication platform concerning elegant, reusable solutions to commonly encountered programming challenges.
		The Gang of Four (GoF) patterns are generally considered the foundation for all other patterns.
	www.dofactory.com /Patterns/Patterns.aspx (293 words)

	Macromedia - Developer Center : Software Design Patterns for Macromedia Flash Remoting (Site not responding. Last check: 2007-11-06)
		This article examines how you can manage this trade-off by applying well-known software design patterns, such as façade and value-object patterns, and illustrates it by means of simple fictional e-commerce website application.
		Common patterns for user interaction such as this can be moved from the client movie to the façade, which simplifies the client and reduces the coupling between the client and the specific back-end components.
		By applying two fairly straightforward design patterns, Façade and Value Object, that are typically used in the C++ and Java worlds to your Macromedia Flash MX and ColdFusion MX application, you have simplified your Macromedia Flash MX client and reduced the amount of network traffic the application generates.
	www.macromedia.com /devnet/mx/flashremoting/articles/facades.html (2004 words)

	Cetus Links: 16604 Links on Objects and Components / Architecture & Design: Patterns
		Patterns have roots in many disciplines, including literate programming, and most notably in Alexander's work on urban planning and building architecture (Alexander, 1977).
		But patterns have been used for domains as diverse as development organization and process, exposition and teaching, and software architecture.
		Today, the pattern discipline is supported by several small conferences, by a broad spectrum of activities at established software engineering conferences, and by a rapidly growing body of literature (ibid).
	www.cetus-links.org /oo_patterns.html (839 words)

	Social Software Design Pattern: The Privacy Palette - frassle (Site not responding. Last check: 2007-11-06)
		Please login to manage your subscription to this feed.
		This is the first post in a series where I will discuss challenges in social software design and potential solutions.
		The challenge is thus not to develop more powerful ways to express relationships before authoring content, but to support with flexible, intuitive tools the retrieval of private content when the author may actually need it.
	frassle.rura.org /socialSoftwareDesign (453 words)

	Design Patterns
		Schmidts patterns, together with POSA and GOF patterns, they are seemed as the most common ones.
		Design Patterns for the Data Structures and Algorithms Course
		Abstract: Patterns have shown to be an effective means of capturing and communicating software design experience.
	hem.passagen.se /gumby/cs/patterns.html (1597 words)

	Wild Ginger
		Wild Ginger Software, Inc. is the largest publisher of custom apparel pattern drafting software in the world.
		We have been creating software for the apparel and home sewing industries since 1995.
		We specialize in apparel pattern making software for the small to medium-sized apparel manufacturer, the professional pattern maker, the small to medium-sized custom clothing business, the theatrical costumer, and the home sewing enthusiast.
	www.wildginger.com (74 words)

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