diff --git a/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/SaleService.java b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/SaleService.java
index 15817c8a..9a21205a 100644
--- a/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/SaleService.java
+++ b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/SaleService.java
@@ -2,6 +2,9 @@ package com.pqt.server.module.sale;
 
 import com.pqt.core.entities.sale.Sale;
 import com.pqt.server.exception.ServerQueryException;
+import com.pqt.server.module.sale.listeners.ISaleFirerer;
+import com.pqt.server.module.sale.listeners.ISaleListener;
+import com.pqt.server.module.sale.listeners.SimpleSaleFirerer;
 import com.pqt.server.module.stock.StockService;
 
 //TODO écrire Javadoc
@@ -9,17 +12,28 @@ import com.pqt.server.module.stock.StockService;
 public class SaleService {
 
     private ISaleDao dao;
+    private ISaleFirerer eventFirerer;
 
     public SaleService(StockService stockService) {
         dao = new NoRevertFileSaleDao(stockService);
+        eventFirerer = new SimpleSaleFirerer();
     }
 
     public long submitSale(Sale sale) throws ServerQueryException {
-		return dao.submitSale(sale);
+        long id = dao.submitSale(sale);
+        if(id!=-1) eventFirerer.fireSaleValidatedEvent(sale);
+		return id;
 	}
 
 	public void submitSaleRevert(long id) throws ServerQueryException {
         dao.submitSaleRevert(id);
 	}
 
+    public void addListener(ISaleListener l) {
+        eventFirerer.addListener(l);
+    }
+
+    public void removeListener(ISaleListener l){
+        eventFirerer.addListener(l);
+    }
 }
diff --git a/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/listeners/ISaleFirerer.java b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/listeners/ISaleFirerer.java
new file mode 100644
index 00000000..d8b34efb
--- /dev/null
+++ b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/listeners/ISaleFirerer.java
@@ -0,0 +1,11 @@
+package com.pqt.server.module.sale.listeners;
+
+import com.pqt.core.entities.sale.Sale;
+
+public interface ISaleFirerer {
+
+    void addListener(ISaleListener l);
+    void removeListener(ISaleListener l);
+
+    void fireSaleValidatedEvent(Sale sale);
+}
diff --git a/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/listeners/ISaleListener.java b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/listeners/ISaleListener.java
new file mode 100644
index 00000000..11b70979
--- /dev/null
+++ b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/listeners/ISaleListener.java
@@ -0,0 +1,9 @@
+package com.pqt.server.module.sale.listeners;
+
+import com.pqt.core.entities.sale.Sale;
+
+import java.util.EventListener;
+
+public interface ISaleListener extends EventListener{
+    void onSaleValidatedEvent(Sale sale);
+}
diff --git a/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/listeners/SaleListenerAdapter.java b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/listeners/SaleListenerAdapter.java
new file mode 100644
index 00000000..6315b70d
--- /dev/null
+++ b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/listeners/SaleListenerAdapter.java
@@ -0,0 +1,10 @@
+package com.pqt.server.module.sale.listeners;
+
+import com.pqt.core.entities.sale.Sale;
+
+public class SaleListenerAdapter implements ISaleListener {
+    @Override
+    public void onSaleValidatedEvent(Sale sale) {
+
+    }
+}
diff --git a/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/listeners/SimpleSaleFirerer.java b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/listeners/SimpleSaleFirerer.java
new file mode 100644
index 00000000..1c94abdb
--- /dev/null
+++ b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/listeners/SimpleSaleFirerer.java
@@ -0,0 +1,31 @@
+package com.pqt.server.module.sale.listeners;
+
+import com.pqt.core.entities.sale.Sale;
+
+import javax.swing.event.EventListenerList;
+
+public class SimpleSaleFirerer implements ISaleFirerer {
+
+    private EventListenerList listeners;
+
+    public SimpleSaleFirerer() {
+        listeners = new EventListenerList();
+    }
+
+    @Override
+    public void addListener(ISaleListener l) {
+        listeners.add(ISaleListener.class, l);
+    }
+
+    @Override
+    public void removeListener(ISaleListener l) {
+        listeners.remove(ISaleListener.class, l);
+    }
+
+    @Override
+    public void fireSaleValidatedEvent(Sale sale) {
+        for(ISaleListener l : listeners.getListeners(ISaleListener.class)){
+            l.onSaleValidatedEvent(sale);
+        }
+    }
+}