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Creating a Worker Role

Posted by Paul on October 14, 2011


In this article we are creating a worker role using Visual Studio 2010. This will make the reader familiar with Windows Azure.

Open Visual Studio 2010 and use the command New Project. From the appearing dialog box select the Windows Azure Project option from Visual C# group.

clip_image002

Enter an appropriate name for the project and click Ok to continue. Now you will be prompted with another dialog for selecting the type of project.

Double click on the Worker role option to select a worker role project and click Ok button.

clip_image004

Now you are ready with the Worker role project.

Purpose of Worker Role

The Worker role can be used to host WCF services, provide endpoints, perform operations etc.

The default Run() method implementation contains an infinite loop as shown below:

public override void Run()

{

// This is a sample worker implementation. Replace with your logic.

Trace.WriteLine(“WorkerRole1 entry point called”, “Information”);

while (true)

{

Thread.Sleep(10000);

Trace.WriteLine(“Working”, “Information”);

}

}

Now execute the application and you will be able to see the application inside the browser. From the system tray, you can verify the Windows Azure Emulator as running.

If successfully executed, you can see the trace output messages as shown below.

clip_image006

Exceptional Cases

The exceptional cases are already addressed in the previous Web Role Example article.

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