RSS Feed for StructuralCategory: Structural

Design Pattern in .NET 101 – Facade Pattern (Structural Pattern) »

Download Sample Code Facade Pattern provides a unified interface to a set of interfaces in a subsystem. It defines a higher-level interface that makes the subsystem easier to use. E.g. I have a Call Details Record (CDR) to be processed by different systems. It is defined in the CDR class using System; using System.Collections.Generic; using [...]

Design Pattern in .NET 101 – Decorator Pattern (Structural Pattern) »

Download Sample Code Decorator Pattern attaches additional responsibilities to an object dynamically and provides a flexible alternative to subclassing for extending functionality. E.g. BaseMessage is defined using System; using System.Collections.Generic; using System.Text; namespace DecoratorPattern { abstract class BaseMessage { private string sender; private string recipient; public string Sender { get { return this.sender; } set [...]

Design Pattern in .NET 101 – Proxy Pattern (Structural Pattern) »

Download Sample Code Proxy Pattern provides a surrogate or placeholder for another object to control access to it. E.g. I defined a IGreeting interface using System; using System.Collections.Generic; using System.Text; namespace ProxyPattern { interface IGreeting { void SayHello(); } } Greeting implements IGreeting using System; using System.Collections.Generic; using System.Text; namespace ProxyPattern { class Greeting: IGreeting [...]