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Week 11: GraphQL and Messaging

Lecture Material

A new version of the following books have been released:

Please read the chapter in the book Cloud Computing [@las19cloudcomputing] about GraphQL and Messaging.

We have spend significant time to teach you how to generate REST services from OpenAPI specifications. This has the advantage that you do not have to develop a server as it can be outomatically generated from the OpenAPI specification.

Furthermore clients could be developed with Swagger codeGen in the supported large number of supported programming languages. However using Swagger codeGen is not required for this class and goes bejond the scope we like you to explore as part of this class. So if you are using Swagger code gen, you need to contact Gregor to identify why you would need this for this class. In general it is not needed.

Instead we like to focus on two different technologies. One is called GraphQl and the other is called MQTT.

The information about them are included in the book:

Please locate the chapters and read

Lab Activity GraphQL

Before doing these optional assignments, make sure that your project is in very good shape. These optional assignments are ungraded.

  • E.GraphQL.1
  • E.GraphQL.3

Optional Lab Activity MQTT

Before doing these optional assignments, make sure that your project is in very good shape. These optional assignments are ungraded.

  • E.MQTT.2