Tec Bar » Design Pattern https://www.tecbar.net Tue, 19 Dec 2017 20:49:54 +0000 en-US hourly 1 http://wordpress.org/?v=4.1 Proxy Pattern https://www.tecbar.net/proxy-pattern/ https://www.tecbar.net/proxy-pattern/#comments Tue, 21 Apr 2015 23:17:28 +0000 http://www.tecbar.net/?p=777 The intent of Proxy Pattern is to provide a placeholder for an object to control access to it, and add a wrapper and delegation to protect the real component from undue complexity. The reason to need the placeholder is sometimes … Continue reading →

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]]> https://www.tecbar.net/proxy-pattern/feed/ 1 Template Method Pattern https://www.tecbar.net/template-method-pattern/ https://www.tecbar.net/template-method-pattern/#comments Mon, 13 Apr 2015 23:45:27 +0000 http://www.tecbar.net/?p=732 Template Method pattern defines the skeleton of an algorithm, and defer some steps to subclasses. Template Method lets subclasses redefine certain steps of an algorithm without changing the algorithm’s structure. Implementation checklist abstract template class – a) defines abstract primitive … Continue reading →

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]]> https://www.tecbar.net/template-method-pattern/feed/ 1 Façade Pattern https://www.tecbar.net/facade-pattern/ https://www.tecbar.net/facade-pattern/#comments Tue, 07 Apr 2015 22:51:30 +0000 http://www.tecbar.net/?p=695 Façade pattern hides the complexities of the system, and provides a simpler interface to clients. Façade wraps a complicated subsystem with a simpler interface, and decouples the subsystems from its clients. Example: In the class diagram below, we can see: … Continue reading →

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]]> https://www.tecbar.net/facade-pattern/feed/ 1 Prototype Pattern https://www.tecbar.net/prototype-pattern/ https://www.tecbar.net/prototype-pattern/#comments Fri, 03 Apr 2015 23:58:38 +0000 http://www.tecbar.net/?p=687 Prototype pattern implements a prototype interface which tells to create a clone of the current object. This pattern is used when creation of object directly is costly. The Prototype pattern allows an object to create customized objects without knowing their … Continue reading →

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