From a92e1146384d4b792b580112de28e7bfef4726dc Mon Sep 17 00:00:00 2001
From: Illya Pantazi <illios.piv@gmail.com>
Date: Sun, 1 Mar 2026 08:16:47 +0100
Subject: [PATCH] Implemented a method processRequest(String userId) that
 simulates processing a user request based on their userId

---
 .../mate/academy/AsyncRequestProcessor.java   | 23 ++++++++++++++++++-
 src/main/java/mate/academy/Main.java          |  3 ++-
 2 files changed, 24 insertions(+), 2 deletions(-)

diff --git a/src/main/java/mate/academy/AsyncRequestProcessor.java b/src/main/java/mate/academy/AsyncRequestProcessor.java
index ee5eea1..6e82689 100644
--- a/src/main/java/mate/academy/AsyncRequestProcessor.java
+++ b/src/main/java/mate/academy/AsyncRequestProcessor.java
@@ -1,16 +1,37 @@
 package mate.academy;
 
+import java.util.Map;
 import java.util.concurrent.CompletableFuture;
+import java.util.concurrent.ConcurrentHashMap;
 import java.util.concurrent.Executor;
 
 public class AsyncRequestProcessor {
     private final Executor executor;
+    private final Map<String, UserData> cache = new ConcurrentHashMap<>();
 
     public AsyncRequestProcessor(Executor executor) {
         this.executor = executor;
     }
 
     public CompletableFuture<UserData> processRequest(String userId) {
-        return null;
+        UserData userData = cache.get(userId);
+        if (userData != null) {
+            return CompletableFuture.completedFuture(userData);
+        }
+
+        return CompletableFuture.supplyAsync(
+                () -> cache.computeIfAbsent(userId, this::processUserData),
+                executor
+        );
+    }
+
+    private UserData processUserData(String userId) {
+        try {
+            Thread.sleep(1000); // Simulate processing delay
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
+            throw new RuntimeException(e);
+        }
+        return new UserData(userId, "Details for " + userId);
     }
 }
diff --git a/src/main/java/mate/academy/Main.java b/src/main/java/mate/academy/Main.java
index a3c9b9e..cca6e9a 100644
--- a/src/main/java/mate/academy/Main.java
+++ b/src/main/java/mate/academy/Main.java
@@ -2,11 +2,12 @@
 
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
 
 public class Main {
     public static void main(String[] args) {
         // Feel free to play with AsyncRequestProcessor in this main method if you want
-        ExecutorService executor = null; // Provide implementation that fits your needs
+        ExecutorService executor = Executors.newFixedThreadPool(5);
         AsyncRequestProcessor asyncRequestProcessor = new AsyncRequestProcessor(executor);
 
         // Simulating multiple concurrent requests