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Agatha–Getting Started–First Application | Posted on by Anuj Varma

Introduction
The advent of WCF has made life simpler for web service developers . Passing complex types, quick serialization,  write once run with multiple bindings (and hence multiple consumers) etc. – have contributed to its popularity. However, larger WCF projects start … Continue reading


The Publish Subscribe Pattern in C# and some gotchas | Posted on by Anuj Varma

v\:* {behavior:url(#default#VML);}
o\:* {behavior:url(#default#VML);}
w\:* {behavior:url(#default#VML);}
.shape {behavior:url(#default#VML);}

This post does three things:

Provides a complete implementation of the publish subscribe pattern in C#.
Highlights 4 potential issues that are inherent to ANY publish subscribe implementation – including the one provided here.
Provides original, tested workarounds … Continue reading


The Problem Statement
Imagine that you have just built a sophisticated application to work against a SQL Server database. You followed a best-practices approach and separated out your presentation, business logic and data access layer. Your application is service oriented – … Continue reading


This article assumes some familiarity with the Factory pattern. The factory concept is equally useful for creating products (ProductFactory) or for creating services (ServiceFactory). A good way to start is to look at what the client really needs from the … Continue reading


This entry is part 6 of 6 in the series WCF Publish Subscribe - A Full Example in C#, Step by Step

This entry is part 6 of 6 in the series WCF Publish Subscribe – A Full Example in C#, Step by StepNow that all the pieces are in place, we are ready to run our client program.  The first error … Continue reading


WCF and Publish Subscribe–A Full Example: Client Code | Posted on by Anuj Varma
This entry is part 5 of 6 in the series WCF Publish Subscribe - A Full Example in C#, Step by Step

This entry is part 5 of 6 in the series WCF Publish Subscribe – A Full Example in C#, Step by StepThe subscriber needs to know about the service. We will use svcutil.exe to generate the proxy class for the … Continue reading


This entry is part 4 of 6 in the series WCF Publish Subscribe - A Full Example in C#, Step by Step

This entry is part 4 of 6 in the series WCF Publish Subscribe – A Full Example in C#, Step by StepThe purpose of the Event Generator code is to publish events (New Magazine Issue Available)  that subscribers will get … Continue reading


This entry is part 3 of 6 in the series WCF Publish Subscribe - A Full Example in C#, Step by Step

This entry is part 3 of 6 in the series WCF Publish Subscribe – A Full Example in C#, Step by StepOur implementation is based on .NET events (for a non-events based implementation, check out the New IObserver IObservable interfaces … Continue reading


This entry is part 2 of 6 in the series WCF Publish Subscribe - A Full Example in C#, Step by Step

This entry is part 2 of 6 in the series WCF Publish Subscribe – A Full Example in C#, Step by StepThe Service code consists of an Interface (IMagazineService) and its implementation (MagazineService).
The Interface defines all the capabilities of the … Continue reading


WCF and Publish Subscribe– A Full Example: Introduction | Posted on by Anuj Varma
This entry is part 1 of 6 in the series WCF Publish Subscribe - A Full Example in C#, Step by Step

This entry is part 1 of 6 in the series WCF Publish Subscribe – A Full Example in C#, Step by StepImagine that you are a magazine publishing company. Your revenue depends on subcribers – in particular, happy subscribers. To … Continue reading