Design Pattern: Singleton (Creational) 1.0

Intent: Ensures a class only has one instance and provide a global point of access to it [1].Motivation: It's important for some classes to have exactly one instance. For example, it can be desirable to have only a single instance of a GUI. With a MATLABdlT« GUIDE built GUI, the driver or main function provides a global point of access which is executed to,1. initially instantiate the GUI; and2. subsequently bring the existing GUI into focus *not* creating a new one.Refer to the comments in 'Singleton.m' and 'SingletonImpl.m' for detail on the implementation. The script 'testSingletonImpl.m' demonstrates the use of 'SingletonImpl.m'. Further, a corresponding UML class diagram is illustrated in 'Singleton_UML_Diagram.pdf'.Refer to pp.127-134 Gamma et al.[1] for more information on the Singleton Design Pattern.Written by Bobby NedelkovskiThe MathWorks Australia Pty LtdCopyright 2009, The MathWorks, Inc.Reference:[1] Gamma, E., Helm, R., Johnson, R. and Vlissides, J. Design Patterns : Elements of Reusable Object-Oriented Software. Boston: Addison-Wesley, 1995.

Requirements:	No special requirements
Platforms:	Matlab
Keyword:	Demonstrates,  Design,  Detail,  Diagram,  Elements,  Gamma,  Illustrated,  Implementation,  Information,  Patterns,  Patternwritten,  Pp127134,  Reusable,  Script,  Singleton,  Singleton Uml Diagrampdf Refer,  Singletonimplm,  Testsingletonimplm
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