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Topic: Bridge pattern

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Structural pattern

Creational pattern

Design pattern (computer science)

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Interface pattern

Marker interface pattern

Prototype pattern

Delegation pattern

Abstract factory pattern

Proxy pattern

Lazy initialization pattern

Adapter pattern

Anonymous subroutine objects pattern

Factory method pattern

Builder pattern

	C# Design Patterns: The Bridge Pattern > The Bridger Interface (Site not responding. Last check: 2007-07-11)
		At first sight, the Bridge pattern looks a lot like the Adapter pattern in that a class is used to convert one kind of interface to another.
		The participants in the Bridge pattern are the Abstraction, which defines the class's interface; the Refined Abstraction, which extends and implements that interface; the Implementor, which defines the interface for the implementation classes; and the ConcreteImplementors, which are the implementation classes.
		The bridge between the interface on the left and the implementation on the right is the ListBridge class, which instantiates one or the other of the list display classes.
	www.awprofessional.com /articles/article.asp?p=30297 (709 words)

	Design Pattern Synopses
		The Filter pattern is a special case of the Decorator pattern, where a data source or data sink object is wrapped to add logic to the handling of a data stream.
		The Composite pattern also allows the objects in the tree to be manipulated in a consistent manner, by requiring all of the objects in the tree to have a common superclass or interface.
		The Flyweight pattern is often combined with the Composite pattern to represent the leaf nodes of a hierarchical structure with shared objects.
	www.mindspring.com /~mgrand/pattern_synopses.htm (4381 words)

	The Bridge pattern (Site not responding. Last check: 2007-07-11)
		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.
		A pattern is not the reuse of implementation.
		Patterns can be seen as a literary form used to to document ideas and concepts that is in common use.
	www.ii.uib.no /~rolfwr/seminar/bridge/notes/bridge.html (120 words)

	SENG 609.04 Design Patterns: Bridge Pattern
		The intent of the Bridge pattern is to "Decouple an abstraction from its implementation so that the two can vary independently." (Gamma, 1995, pg 151) This means that the bridge pattern provides a separation of some or all of an abstractions interface from the abstraction itself.
		The Bridge pattern is motivated by the the desire to separate the interface, and subsequently the implementation of the interface, from an abstraction.
		The Bridge pattern, as illustrated in figure 1, is composed of four main participants, the Abstraction and it's RefinedAbstraction(s), and the Implementor along with it's ConcreteImplementation(s).
	sern.ucalgary.ca /courses/SENG/609.04/W98/jonesb/BridgePaper.html (2988 words)

	Etching method for forming air bridge pattern on silicon substrate - Patent 5888761
		A mask layer including an air bridge pattern is formed on a (100) plane of a silicon substrate, isotropic etching is carried out until a point of intersection between tangents of a peripheral curved plane comes to under the air bridge pattern plane, and then an air bridge is formed by means of anisotropic etching.
		In the figure, the thin film insulating body 1312 and the heat generating resistor 1313 are bridged on and supported by the square along the diagonal line thereof, but it may not be bridged along the diagonal line, and also it may be bridged between and supported by opposite edges.
		In this atmosphere sensor, the bridge section 1312a for the thin film insulating body 1312 is formed in an approximately square form and is supported at a central position of each edge of the square form by the bridge supporting sections 1312b.
	www.freepatentsonline.com /5888761.html (3344 words)

	Subject-oriented programming and the bridge pattern
		Although, like the example used in the "Design Patterns" book, many uses of the bridge pattern are intended to allow flexibility that is exercised when a system is being built (static), it can also be employed to allow binding of the bridge to the implementation at object-creation time (quasi-static) or later (dynamic).
		The Bridge Pattern is the same as the Strategy pattern except that Bridge assumes the implementations do not use context from the Node, while the Strategy assumes that they do, and the Bridge Pattern assumes the implementations keep different state for each Node, while the Strategy assumes that they don't.
		The Bridge pattern is a very simple pattern, but the simplicity is not immediately evident to a reviewer who doesn't know that the pattern is being used when just seeing one end of the bridge.
	www.research.ibm.com /sop/sopcbrip.htm (1760 words)

	epowiki: Bridge Patterns
		Bridge is a synonym for the "handle/body" idiom.
		Bridge is designed up-front to let the abstraction and the implementation vary independently.
		The two patterns use the same structure to solve different problems: State allows an object's behavior to change along with its state, while Bridge's intent is to decouple an abstraction from its implementation so that the two can vary independently.
	www.possibility.com /epowiki/Wiki.jsp?page=BridgePatterns (515 words)

	The Bridge Design Pattern
		The Bridge Pattern is classified as a structural design pattern.
		The most obvious consequence of the Bridge pattern is the decoupling of the implementation from the interface.
		The other consequence of the Bridge pattern includes the improved extensibility of classes and the additional capability for hiding implementation details from clients.
	www.cs.uofs.edu /~bi/2003f-html/se516/bridge.htm (779 words)

	CodeGuru: Bridge Pattern - Bridging the gap between Interface and Implementation
		Bridge Pattern classified under the Structural pattern by 'Gang of Four (GoF)' can be used to abstract and model these variations.
		Bridge pattern can be used to avoid the binding between abstraction and implementation and to select the implementation at run time.
		Bridge Pattern can be used when an abstraction can have different implementations and when both of them can vary independently.
	www.codeguru.com /cpp_mfc/bridge.shtml (2517 words)

	Bridge
		The Bridge design pattern proposes refactoring this exponentially explosive inheritance hierarchy into two orthogonal hierarchies – one for platform-independent abstractions, and the other for platform-dependent implementations.
		Bridge is a synonym for the "handle/body" idiom [Coplien,
		Bridge emphasizes identifying and decoupling "interface" abstraction from "implementation" abstraction.
	home.earthlink.net /~huston2/dp/bridge.html (758 words)

	A Learning Guide To Design Patterns
		The Design Patterns Study Group of NYC has found that an architectually rich environment is well suited to the study of design patterns.
		When groups within the Design Patterns Study Group finish their study of the Design Patterns book, they go on to study many excellent papers, articles, and books, covering object-oriented patterns, non-object-oriented patterns, concurrent, architectual, and analysis patterns, communications and organizational patterns, and many more.
		This pattern is used by a number of patterns in the book and throughout the patterns literature.
	www.industriallogic.com /papers/learning.html (3768 words)

	Bridge, Adapter, Proxy, and Decrator Patterns -- Transframe and Design Patterns (Site not responding. Last check: 2007-07-11)
		The general idea of the Bridge pattern is to support the construction of an abstraction hierarchy parallel to implementation hierarchy and to avoid permanent binding between the abstractions and the implementations, and hence to reduce dependency among software components.
		The bridge pattern makes the assumption that all implementation classes are subclassed from the common abstract superclass used to define their interfaces.
		The straightforward solution of subclassing the implementation classes from the abstract superclasses defined by the pattern fails if only header files and binaries, but no source code, are available for the two libraries since introducing a new superclass would require access to the source code of the implementation classes.
	www.visviva.com /transframe/patterns/interfac.htm (1834 words)

	CodeGuru: MFC and Design Patterns (Site not responding. Last check: 2007-07-11)
		Patterns help designers to decompose the system into set of co-operating objects instead of decomposing objects and trying to find relationships between them.
		According to Christopher Alexander, "Each pattern describes a problem which occurs over and over again in our environment, and then describes the core of the solution to that problem, in such a way that you can use this solution a million times over, without ever doing it the same way twice".
		Bridge Pattern is all about decoupling an abstraction (interface) from its implementation so that the two can vary independently.
	www.codeguru.com /Cpp/Cpp/cpp_mfc/patterns/article.php/c4045 (1527 words)

	The Road to Bridge
		Adapter is closer to Bridge in that the adaptation on the lhs.
		In Bridge the lhs methods can even call on other methods in the same lhs, whereas in Adapter this is not really the intent.
		Message broadcasting kernel, where messages are broadcast to all plugins and the chain of responsibility pattern is used, and a plugin/service which can make sense of the message acts on it (either consuming it or passing it on for someone else to have a go at).
	www.atug.com /andypatterns/the_road_to_bridge.htm (2064 words)

	Mathew Nolton Blog : The Bridge Pattern
		This got me to thinking about other patterns and their proper use as well as when it is best to use the different patterns at our disposal.
		Each pattern describes a problem which occurs over and over again in our environment, and then describes the core of the solution to that problem, in such a way that you can use this solution a million times over, without ever doing it the same way twice.
		The adapter pattern works well and the implementation isn’t too different from the bridge (but it is different).
	weblogs.asp.net /mnolton/archive/2004/02/02/66471.aspx (996 words)

	JOT: Journal of Object Technology - CentiJ: An RMI Code Generator
		The legacy bridge problem may be stated simply as follows, given a large number of methods in a variety of classes, find a single interface to these methods and an implementing class so that there is a reuse of the implementations in the existing (i.e., legacy code).
		The bridge pattern consists of an interface, or protocol of communication and an implementation of the communication.
		The bridge pattern serves to regulate the communications between the legacy code and the new code.
	www.jot.fm /issues/issue_2002_11/article2 (6502 words)

	Mike95 : Tutorial on various topics : Design Patterns - - Common Software Engineering design patterns explained with ...
		Unlike an adaptor however which is an adaption of two similar interfaces, a bridge is a connects two different interfaces.
		A bridge pattern is typically applied when connecting various diverse items to a system in a similar way.
		Windows makes the same API calls which are then "bridged" to the specific calls of each printer.
	www.mike95.com /tutorials/DesignPatterns/Bridge.aspx (104 words)

	Strategy pattern - Wikipedia, the free encyclopedia
		In some programming languages, such as those without polymorphism, the issues addressed by this pattern are handled through forms of reflection, such as the native function pointer or function delegate syntax.
		The strategy pattern is useful for situations where it is necessary to dynamically swap the algorithms used in an application.
		The UML class diagram for the Strategy pattern is the same as the diagram for the Bridge pattern.
	en.wikipedia.org /wiki/Strategy_pattern (865 words)

	Using Abstractions and the Bridge Pattern in Java > A Classic Example of Bridge: Drivers (Site not responding. Last check: 2007-07-11)
		The Bridge pattern focuses on the implementation of an abstraction.
		The intent of the Bridge pattern is to decouple an abstraction from the implementation of its abstract operations, so that the abstraction and its implementation can vary independently.
		Each driver is an instance of the Adapter pattern, providing the interface a client expects, using the services of a class with a different interface.
	www.awprofessional.com /articles/article.asp?p=29302&rl=1 (975 words)

	java.net: Principles, Patterns, and Practices: The Strategy, Template Method, and Bridge Patterns
		It turns out that there is another pattern that solves the same problem in a slightly different way; and the two names help us differentiate between them.
		This problem is common enough that the combined use of Strategy and Template Method to solve it (as we did in the previous example) is a pattern in and of itself, called Bridge.
		A better pattern would be to abstract out the query concatenation feature in its own class (like QueryBuilder) and have different implementations for getQuery() (which now could be protected) that use the QueryBuilder to add whatever they need to the query.
	today.java.net /pub/a/today/2004/10/29/patterns.html (1475 words)

	Bridge Pattern (Site not responding. Last check: 2007-07-11)
		A special case of the mapper pattern, the bridge pattern can be used to map transport generated requests to NetKernel hosted services.
		It is very valuable to route the request to a bridge service which will collect the dispersed information and reissue a sub-request for the required service with cleanly structured NetKernel active URI arguments containing the collected transport information.
		Generally a bridge will take a declarative mapping definition which will describe what information should be collected and/or processed and how that should be constructed into the sub-request.
	demo.1060research.com /book/architectguide/doc_tutorial_patterns_bridge (152 words)

	Bridges on Pound Coin Patterns
		Known as 'pattern pieces' these special 2003-dated coins are produced to familiarise collectors with the new designs.
		(The Forth Bridge for Scotland, The Menai Straits Bridge for Wales, MacNeill's Egyptian Arch for Northern Ireland and The Millennium Bridge, in Gateshead, for England.) The reverse designs are by wood engraver Edwina Ellis, who won a limited competition judged by the Royal Mint Advisory Committee.
		The coins in the sets will be referred to as pattern pieces, that is, proposed coins and consequently they will have no status as current or legal tender coins.
	www.24carat.co.uk /2003poundcoinpatterns.html (826 words)

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