Index: topia2/src/java/org/codelutin/topia/persistence/TopiaEntityAbstract.java
diff -u topia2/src/java/org/codelutin/topia/persistence/TopiaEntityAbstract.java:1.6 topia2/src/java/org/codelutin/topia/persistence/TopiaEntityAbstract.java:1.7
--- topia2/src/java/org/codelutin/topia/persistence/TopiaEntityAbstract.java:1.6	Tue Feb  7 19:57:02 2006
+++ topia2/src/java/org/codelutin/topia/persistence/TopiaEntityAbstract.java	Fri Feb 24 00:51:04 2006
@@ -23,9 +23,9 @@
  * 
  * @author poussin
  * 
- * @version $Revision: 1.6 $
+ * @version $Revision: 1.7 $
  * 
- * Last update: $Date: 2006/02/07 19:57:02 $ by : $Author: thimel $
+ * Last update: $Date: 2006/02/24 00:51:04 $ by : $Author: thimel $
  */
 
 package org.codelutin.topia.persistence;
@@ -55,7 +55,7 @@
     protected Date topiaCreateDate = new Date();
 
     transient protected TopiaContext topiaContext = null;
-    
+
     transient protected PropertyChangeSupport propertyChangeSupport = 
         new PropertyChangeSupport(this);
 
@@ -125,8 +125,12 @@
     /**
      * @param context The context to set.
      */
-    public void setTopiaContext(TopiaContext context) {
-        this.topiaContext = context;
+    public void setTopiaContext(TopiaContext context) throws TopiaException {
+        if (this.topiaContext == null) {
+            this.topiaContext = context;
+        } else {
+            throw new TopiaException("Remplacement du contexte interdit");
+        }
     }
 
     /*