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I need a Java developer for a small Client-Server system including RMI, Proxy & Arraylist

The assignment:

You are going to implement a small client-server system, which simulates a burger bar.

Handed out

You’ll be given the following classes:

• The class ArrayList and its interface ListADT

• The interface RecipeProvider and class RecipeReader. Also, a file with recipes for burgers.

• You will also receive the data objects: Recipe, Burger

You can find the Java documentation for the provided code:

[login to view URL]

[login to view URL]

Requirements

• The application must use RMI to connect the clients and server

• On the server side there must be a Bounded Blocking Queue (there is a max capacity), containing Burgers. You must use the Adapter design pattern to “change” the provided ArrayList to a BlockingQueue.

Consumer Client

• The Consumer client will retrieve one Burger at a time from the Server. Just create a while(true) loop, with a small random sleep duration.

Producer Client

• The Producer clients will create the Burgers. You must use the given RecipeProvider, RecipeReader and the file to get the Recipe for a specific Burger.

The Burger creation should happen in a while(true), also with a small random sleep duration.

There will be 3 types of burgers. Randomly decide which Burger to create each time. Get the Recipe through the RecipeProvider interface, and then on the Recipe object call the createBurger-method.

A Producer Client will send one Burger at a time to the Server.

• Use the Proxy design pattern to create a cache around the RecipeReader. When a recipe is loaded, store it in a field variable, currentRecipe, in the Proxy and when a recipe is requested by the Producer, first check if it is in the cache. Otherwise request the recipe from the RecipeReader.

Other notes

• You must test the given ArrayList with Junit, the class contains a handful of errors.

• Each Client represents a person, so if you want more Burger Bar employees, you’ll start multiple instances of that client. If you want more Customers, you’ll start multiple consumer programs.

• Add print-outs at relevant places so you can follow what happens in the program.

Skills: Java, Software Architecture

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About the Employer:
( 0 reviews ) Brabrand, Denmark

Project ID: #22141841

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