Index: topia2/src/java/org/codelutin/topia/framework/TopiaContextImpl.java
diff -u topia2/src/java/org/codelutin/topia/framework/TopiaContextImpl.java:1.43 topia2/src/java/org/codelutin/topia/framework/TopiaContextImpl.java:1.44
--- topia2/src/java/org/codelutin/topia/framework/TopiaContextImpl.java:1.43	Fri Nov 10 17:46:40 2006
+++ topia2/src/java/org/codelutin/topia/framework/TopiaContextImpl.java	Tue Nov 14 22:37:02 2006
@@ -23,13 +23,14 @@
  * 
  * @author poussin
  * 
- * @version $Revision: 1.43 $
+ * @version $Revision: 1.44 $
  * 
- * Last update: $Date: 2006/11/10 17:46:40 $ by : $Author: ruchaud $
+ * Last update: $Date: 2006/11/14 22:37:02 $ by : $Author: bpoussin $
  */
 
 package org.codelutin.topia.framework;
 
+import java.beans.PropertyChangeListener;
 import java.io.BufferedInputStream;
 import java.io.BufferedOutputStream;
 import java.io.BufferedReader;
@@ -999,6 +1000,10 @@
         getFiresSupport().addTopiaTransactionVetoable(vetoable);
     }
     
+    public void addPropertyChangeListener(PropertyChangeListener listener) {
+        getFiresSupport().addPropertyChangeListener(listener);
+    }
+
     /* Removers */
     public void removeTopiaEntityListener(TopiaEntityListener listener) {
         getFiresSupport().removeTopiaEntityListener(TopiaEntity.class, listener);
@@ -1023,5 +1028,9 @@
     public void removeTopiaTransactionVetoable(TopiaTransactionVetoable vetoable) {
         getFiresSupport().removeTopiaTransactionVetoable(vetoable);
     }
+    
+    public void removePropertyChangeListener(PropertyChangeListener listener) {
+        getFiresSupport().removePropertyChangeListener(listener);
+    }
 
 } //TopiaContextImpl

Index: topia2/src/java/org/codelutin/topia/framework/TopiaFiresSupport.java
diff -u topia2/src/java/org/codelutin/topia/framework/TopiaFiresSupport.java:1.3 topia2/src/java/org/codelutin/topia/framework/TopiaFiresSupport.java:1.4
--- topia2/src/java/org/codelutin/topia/framework/TopiaFiresSupport.java:1.3	Tue Nov 14 18:17:15 2006
+++ topia2/src/java/org/codelutin/topia/framework/TopiaFiresSupport.java	Tue Nov 14 22:37:02 2006
@@ -23,8 +23,10 @@
 import java.beans.PropertyChangeSupport;
 import java.beans.VetoableChangeSupport;
 import java.util.ArrayList;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
+import java.util.Set;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -69,7 +71,7 @@
     static private Log log = LogFactory.getLog(TopiaFiresSupport.class);
     static Object NO_CHANGE = new Object();
     
-    protected List<PropertyChangeListener> listenerChange = new ArrayList<PropertyChangeListener>();
+    protected Set<PropertyChangeListener> propertyChangeListeners = new HashSet<PropertyChangeListener>();
     
     
     
@@ -328,9 +330,9 @@
             log.debug("fireOnPostWrite");
         }
         try {
-            if (listenerChange.size() > 0) {
+            if (propertyChangeListeners.size() > 0) {
                 PropertyChangeEvent e = new PropertyChangeEvent(entity, propertyName, oldValue, newValue);
-                for (PropertyChangeListener l : listenerChange) {
+                for (PropertyChangeListener l : propertyChangeListeners) {
                     l.propertyChange(e);
                 }
             }
@@ -538,6 +540,10 @@
         transactionVetoables.add(vetoable);
     }
     
+    public void addPropertyChangeListener(PropertyChangeListener listener) {
+        propertyChangeListeners.add(listener);
+    }
+
     /* Removers */
     public void removeTopiaEntityListener(TopiaEntityListener listener) {
         removeTopiaEntityListener(TopiaEntity.class, listener);
@@ -563,4 +569,8 @@
         transactionVetoables.remove(vetoable);
     }
 
+    public void removePropertyChangeListener(PropertyChangeListener listener) {
+        propertyChangeListeners.remove(listener);
+    }
+
 }