From 8263a1355a11af6880d2a8614cc1701aa1596593 Mon Sep 17 00:00:00 2001
From: Lars Simon Winzer <lars.winzer@stud.unibas.ch>
Date: Sun, 15 Mar 2026 18:22:11 +0100
Subject: [PATCH] Add: UserId to uniquely identify user

---
 .../casono/server/domain/user/UserId.java     | 31 +++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/domain/user/UserId.java

diff --git a/src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/domain/user/UserId.java b/src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/domain/user/UserId.java
new file mode 100644
index 0000000..c8e374e
--- /dev/null
+++ b/src/main/java/ch/unibas/dmi/dbis/cs108/casono/server/domain/user/UserId.java
@@ -0,0 +1,31 @@
+package ch.unibas.dmi.dbis.cs108.casono.server.domain.user;
+
+import java.util.UUID;
+
+/** Represents a unique identifier for a user. */
+public class UserId {
+    private final UUID value;
+
+    /** Creates a new UserId with a randomly generated UUID. */
+    public UserId() {
+        this.value = UUID.randomUUID();
+    }
+
+    /**
+     * Creates a new UserId with the specified UUID.
+     *
+     * @param value the UUID to use for this UserId
+     */
+    public UserId(UUID value) {
+        this.value = value;
+    }
+
+    /**
+     * Returns the UUID value of this UserId.
+     *
+     * @return the UUID value
+     */
+    public UUID value() {
+        return value;
+    }
+}