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Building Serverless Architectures

You're reading from   Building Serverless Architectures Unleash the power of AWS Lambdas for your applications

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Product type Paperback
Published in Jul 2017
Publisher Packt
ISBN-13 9781787129191
Length 242 pages
Edition 1st Edition
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Cagatay Gurturk Cagatay Gurturk
Author Profile Icon Cagatay Gurturk
Cagatay Gurturk
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Toc

Getting to know Lambda Framework

Lambda Framework was created for this use case. Lambda Framework accomplishes this target by implementing the most common JAX-RS annotations and providing a Maven plugin to deploy easily to the AWS cloud. Briefly, JAX-RS is a standard annotation set of J2EE which can be used to map regular Java methods to HTTP paths and methods. For instance, you can look at the following method:

@GET 
@Path("/helloworld/{id}") 
public Response indexEndpoint(@PathParam int id) { 
  return Response.status(200).entity("Hello world: " + id).build(); 
} 

This is a very lean method marked with the @GET and @Path annotations, which mean that this method is called when a GET request comes to URLs in the /helloworld/{id} format, with the id parameter as an argument. Finally, it returns a Response object within this method with a 200 response code and...

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