Java Vertx Web Worker API

A Java VERT.X based web app template that provides a web/api front end for handling requests, that then get handled by long running processes. Effectively, an order taking API..

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General Processing Flow

1. VerticleLauncher started, creates all worker and standard verticles.
2. A standard Vertx web handler Verticle listens for incoming requests.
3. The handler listens for various URI and upon receipt, starts a few CompletableFutures to vertx messagebus send the respective parts of the posted request to other vertx workers.
4. CompetableFutures, using .allOf/.whenComplete, join the replies from the Workers to signify completion.

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For this project, a 'coffee-shop' flow is simulated..

1. User submits an order request to front line cashier.
2. Cashier takes order, and submits request to a Barista and Kitchen Worker respectively.
3. Cashier provides unque id reply to user.
4. Barista and Kitchen Worker processes requests in parallel. Long Running Processes
5. When both are complete, a package order is submitted to the Line Worker.
6. Line Worker receives order to package, and processes Long Running Process
7. Line Worker places finished order on counter for pickup

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Compile using:

mvn clean compile

Package fat jar using:

mvn package

Deploy to API Gateway

serverless deploy

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