Initial commit.

[Wojtek-A-JAVA]

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[mateacademy-ai-mentor]

Review Summary

Good job setting up the asynchronous execution flow with CompletableFuture and an ExecutorService. However, this requires changes because the two central requirements of the task have not been implemented: caching and a simulated processing delay.

In your AsyncRequestProcessor class, you need to:

1. Add Caching Logic: Introduce a ConcurrentHashMap to store UserData results. Before creating a new UserData object, your processRequest method must first check this map. If the data for a userId exists, it should be returned from the cache immediately.
2. Simulate a Delay: Inside the CompletableFuture.supplyAsync block, add a delay using Thread.sleep() to simulate a long-running operation. This is crucial for demonstrating the benefit of the caching mechanism.

Once these two features are implemented, your solution will meet all the core requirements. Keep up the great work!

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[mateacademy-ai-mentor]

This implementation is missing the core caching logic and the simulated processing delay. According to the requirements, you should:

1. Add a ConcurrentHashMap cache as a field in this class.
2. Before creating a new UserData object, check if the data for the given userId is already in the cache. If it is, return the cached value directly (wrapped in a completed CompletableFuture).
3. Add a simulated delay inside the supplyAsync task to mimic a real-world, long-running operation.
4. After successfully creating a new UserData object, store it in the cache before returning it.

[mateacademy-ai-mentor]

While this method correctly sets up and runs the asynchronous tasks, the overall application behavior will not meet the requirements. The AsyncRequestProcessor class that is used here is missing the mandatory caching implementation. As a result, repeated requests for the same userId will be fully processed every time instead of being served from the cache.

[mateacademy-ai-mentor]

Review Summary

Excellent work on this iteration! You have successfully addressed all the previous feedback and met all the requirements of the task. The caching logic with ConcurrentHashMap is correctly implemented, and the use of CompletableFuture for asynchronous processing is spot on.

I have left one minor suggestion in src/main/java/mate/academy/Main.java regarding an unnecessary Thread.sleep(). This is just a small point for improvement and doesn't block the approval.

Your solution is now complete and correct, so I am approving your submission. Keep up the great work!

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[mateacademy-ai-mentor]

This Thread.sleep(2000) call introduces an unnecessary 2-second delay at the start of the program. The ExecutorService is ready for use immediately after creation, so this wait isn't needed. You can safely remove this line.