diff --git a/src/main/java/linda/server/LindaClient.java b/src/main/java/linda/server/LindaClient.java
index f5031ed..38e70c8 100644
--- a/src/main/java/linda/server/LindaClient.java
+++ b/src/main/java/linda/server/LindaClient.java
@@ -95,11 +95,15 @@ public class LindaClient implements Linda {
     }
 
     public void eventRegister(eventMode mode, eventTiming timing, Tuple template, Callback callback) {
-        try {
-            lindaServer.eventRegister(mode, timing, template, callback);
-        } catch (RemoteException e) {
-            e.printStackTrace();
-        }
+        new Thread() {
+            public void run() {
+                try {
+                    callback.call(lindaServer.waitForTuple(mode, timing, template));
+                } catch (RemoteException e) {
+                    e.printStackTrace();
+                }
+            }
+        }.start();
     }
 
     public void debug(String prefix) {
diff --git a/src/main/java/linda/server/LindaRemote.java b/src/main/java/linda/server/LindaRemote.java
index 790c7bc..4b83e47 100644
--- a/src/main/java/linda/server/LindaRemote.java
+++ b/src/main/java/linda/server/LindaRemote.java
@@ -1,6 +1,5 @@
 package linda.server;
 
-import linda.Callback;
 import linda.Linda;
 import linda.Tuple;
 
@@ -24,8 +23,7 @@ public interface LindaRemote extends Remote {
 
     public Collection<Tuple> readAll(Tuple template) throws RemoteException;
 
-    public void eventRegister(Linda.eventMode mode, Linda.eventTiming timing, Tuple template, Callback callback)
-            throws RemoteException;
+    public Tuple waitForTuple(Linda.eventMode mode, Linda.eventTiming timing, Tuple template) throws RemoteException;
 
     public void debug(String prefix) throws RemoteException;
 }
diff --git a/src/main/java/linda/server/LindaServer.java b/src/main/java/linda/server/LindaServer.java
index 0a9dfb8..e05356b 100644
--- a/src/main/java/linda/server/LindaServer.java
+++ b/src/main/java/linda/server/LindaServer.java
@@ -3,14 +3,13 @@ package linda.server;
 import java.util.Collection;
 
 import java.rmi.server.UnicastRemoteObject;
-import java.net.MalformedURLException;
 import java.rmi.*;
 import java.rmi.registry.LocateRegistry;
 import java.rmi.registry.Registry;
 
-import linda.Callback;
-import linda.Linda;
 import linda.Tuple;
+import linda.Linda.eventMode;
+import linda.Linda.eventTiming;
 import linda.shm.CentralizedLinda;
 
 /**
@@ -18,7 +17,7 @@ import linda.shm.CentralizedLinda;
  */
 public class LindaServer extends UnicastRemoteObject implements LindaRemote {
 
-    Linda lindaInstance;
+    CentralizedLinda lindaInstance;
     Registry registry;
     LindaServer ls;
 
@@ -86,9 +85,8 @@ public class LindaServer extends UnicastRemoteObject implements LindaRemote {
         return lindaInstance.readAll(template);
     }
 
-    public void eventRegister(Linda.eventMode mode, Linda.eventTiming timing, Tuple template, Callback callback)
-            throws RemoteException {
-        lindaInstance.eventRegister(mode, timing, template, callback);
+    public Tuple waitForTuple(eventMode mode, eventTiming timing, Tuple template) throws RemoteException {
+        return lindaInstance.waitForTuple(mode, timing, template);
     }
 
     public void debug(String prefix) throws RemoteException {
diff --git a/src/main/java/linda/shm/CentralizedLinda.java b/src/main/java/linda/shm/CentralizedLinda.java
index bdb8b91..7a0f0f6 100644
--- a/src/main/java/linda/shm/CentralizedLinda.java
+++ b/src/main/java/linda/shm/CentralizedLinda.java
@@ -233,23 +233,27 @@ public class CentralizedLinda implements Linda {
         return results;
     }
 
+    public Tuple waitForTuple(eventMode mode, eventTiming timing, Tuple template) {
+        switch (timing) {
+            case IMMEDIATE:
+                return mode == eventMode.READ ? read(template) : take(template);
+            case FUTURE:
+                Collection<Tuple> knownTuples = new ArrayList<Tuple>();
+                synchronized (tuples) {
+                    for (Tuple t : tuples) {
+                        knownTuples.add((Tuple) t.clone());
+                    }
+                }
+                return future_search(template, knownTuples, mode);
+            default:
+                return null; // n'arrive jamais
+        }
+    }
+
     public void eventRegister(eventMode mode, eventTiming timing, Tuple template, Callback callback) {
         new Thread() {
             public void run() {
-                switch (timing) {
-                    case IMMEDIATE:
-                        callback.call(mode == eventMode.READ ? read(template) : take(template));
-                        return;
-                    case FUTURE:
-                        Collection<Tuple> knownTuples = new ArrayList<Tuple>();
-                        synchronized (tuples) {
-                            for (Tuple t : tuples) {
-                                knownTuples.add((Tuple) t.clone());
-                            }
-                        }
-                        callback.call(future_search(template, knownTuples, mode));
-                        return;
-                }
+                callback.call(waitForTuple(mode, timing, template));
             }
         }.start();
     }
diff --git a/src/test/java/linda/test/BasicTestCB.java b/src/test/java/linda/test/BasicTestCB.java
index 8bea87e..c126c96 100644
--- a/src/test/java/linda/test/BasicTestCB.java
+++ b/src/test/java/linda/test/BasicTestCB.java
@@ -1,16 +1,18 @@
 
 package linda.test;
 
+import java.io.Serializable;
+
 import linda.*;
 import linda.Linda.eventMode;
 import linda.Linda.eventTiming;
 
-public class BasicTestCB {
+public class BasicTestCB implements Serializable {
 
     private static Linda linda;
     private static Tuple cbmotif;
 
-    private static class MyCallback implements Callback {
+    private static class MyCallback implements Callback, Serializable {
         public void call(Tuple t) {
             System.out.println("CB got " + t);
             linda.eventRegister(eventMode.TAKE, eventTiming.IMMEDIATE, cbmotif, this);
diff --git a/src/test/java/linda/test/ClientServerTests.java b/src/test/java/linda/test/ClientServerTests.java
index 78f698e..0a433dc 100644
--- a/src/test/java/linda/test/ClientServerTests.java
+++ b/src/test/java/linda/test/ClientServerTests.java
@@ -3,7 +3,6 @@ package linda.test;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotEquals;
 
-import java.net.MalformedURLException;
 import java.rmi.AccessException;
 import java.rmi.NotBoundException;
 import java.rmi.RemoteException;
diff --git a/src/test/java/linda/test/REPL.java b/src/test/java/linda/test/REPL.java
index 5adb943..2abd2e8 100644
--- a/src/test/java/linda/test/REPL.java
+++ b/src/test/java/linda/test/REPL.java
@@ -13,6 +13,12 @@ import linda.Tuple;
 
 public class REPL implements Callback, Serializable {
 
+    public class MyCallback implements Callback {
+        public void call(Tuple t) {
+            System.out.println("Tuple de l'event register : " + t);
+        }
+    }
+
     public static void main(String[] args) {
 
         BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
@@ -36,6 +42,10 @@ public class REPL implements Callback, Serializable {
         System.out.println("tt : tryTake tuple");
         System.out.println("ra : readAll tuple");
         System.out.println("ta : takeAll tuple");
+        System.out.println("evRI : eventRegister Read Immediate");
+        System.out.println("evRF : eventRegister Read Future");
+        System.out.println("evTI : eventRegister Take Immediate");
+        System.out.println("evTF : eventRegister Take Future");
         System.out.println("\nPour les templates :");
         System.out.println("I : int");
         System.out.println("S : string");
@@ -100,6 +110,8 @@ public class REPL implements Callback, Serializable {
                         System.out.print(ti + " ");
                     }
                     System.out.println(" pris.");
+                } else if (args[0].equals("evRI")) {
+                    lc.even
                 } else {
                     System.out.println("Il faut indiquer la commande et un tuple ! Ex : > r 1 S\n");
                 }