From 194e685746df778b8ccc72ac24d30e157d6fba04 Mon Sep 17 00:00:00 2001
From: zeldakatze <coffee@zeldakatze.de>
Date: Tue, 1 Jul 2025 15:06:59 +0200
Subject: Implement

---
 de/unibayreuth/se/observer/ConcreteObserver.java | 21 +++++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

(limited to 'de/unibayreuth/se/observer/ConcreteObserver.java')

diff --git a/de/unibayreuth/se/observer/ConcreteObserver.java b/de/unibayreuth/se/observer/ConcreteObserver.java
index 5797976..4c8e443 100644
--- a/de/unibayreuth/se/observer/ConcreteObserver.java
+++ b/de/unibayreuth/se/observer/ConcreteObserver.java
@@ -1,17 +1,30 @@
 package de.unibayreuth.se.observer;
 
 public class ConcreteObserver implements Observer {
+	private static int NEXT_ID = 1;
+	
+	private int id = NEXT_ID++;
 
-    public ConcreteObserver(Subject subject) {
-        // TODO
+	private ConcreteSubject subject;
+
+    public ConcreteObserver(ConcreteSubject subject) {
+		this.subject = subject;
+        subject.attach(this);
     }
 
     @Override
     public void update(Subject subject) {
-        // TODO
+		ConcreteSubject s = (ConcreteSubject) subject;
+        System.out.println("Observer " + id + " received update from subject " 
+			+ "ConcreteSubject " + s.getValue());
+        
     }
 
     public void detach() {
-        // TODO
+        subject.detach(this);
     }
+    
+    public int getID() {
+		return id;
+	}
 }
-- 
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