Index: topia/src/java/org/codelutin/topia/TopiaId.java
diff -u topia/src/java/org/codelutin/topia/TopiaId.java:1.7 topia/src/java/org/codelutin/topia/TopiaId.java:1.8
--- topia/src/java/org/codelutin/topia/TopiaId.java:1.7	Thu Dec  8 09:40:45 2005
+++ topia/src/java/org/codelutin/topia/TopiaId.java	Fri Dec  9 10:27:22 2005
@@ -23,9 +23,9 @@
  *
  * @author Benjamin Poussin <poussin@codelutin.com>
  * Copyright Code Lutin
- * @version $Revision: 1.7 $
+ * @version $Revision: 1.8 $
  *
- * Mise a jour: $Date: 2005/12/08 09:40:45 $
+ * Mise a jour: $Date: 2005/12/09 10:27:22 $
  * par : $Author: thimel $
  */
 
@@ -71,7 +71,11 @@
         if(!clazz.isInterface()){
             throw new IllegalArgumentException("Only interface is permit to create id: " + clazz);
         }
-        return clazz.getName()  + "#" + System.currentTimeMillis() + "#" + Math.random();
+        double random = Math.random();
+        while (Double.toString(random).contains("E-")) {
+            random = Math.random();
+        }
+        return clazz.getName()  + "#" + System.currentTimeMillis() + "#" + random;
     }
 
     /**
@@ -94,7 +98,7 @@
     */
     public static boolean isValidId(String topiaId){
         try{
-            if(topiaId.matches(".*?#[0-9]+#[0-9.[E-]]+")){
+            if(topiaId.matches(".*?#[0-9]+#[0-9.]+")){
                 getClassName(topiaId);
                 return true;
             }

Index: topia/src/java/org/codelutin/topia/TopiaEntity.java
diff -u topia/src/java/org/codelutin/topia/TopiaEntity.java:1.20 topia/src/java/org/codelutin/topia/TopiaEntity.java:1.21
--- topia/src/java/org/codelutin/topia/TopiaEntity.java:1.20	Wed Sep  7 15:34:59 2005
+++ topia/src/java/org/codelutin/topia/TopiaEntity.java	Fri Dec  9 10:27:22 2005
@@ -23,10 +23,10 @@
 *
 * @author Cédric Pineau <pineau@codelutin.com>
 * Copyright Code Lutin
-* @version $Revision: 1.20 $
+* @version $Revision: 1.21 $
 *
-* Last update : $Date: 2005/09/07 15:34:59 $
-* by : $Author: bpoussin $
+* Last update : $Date: 2005/12/09 10:27:22 $
+* by : $Author: thimel $
 */
 package org.codelutin.topia;
 
@@ -80,7 +80,23 @@
     @MethodInfo ( type = MethodType.GENERATED )
     public Iterator iterator_dependentEntities_() throws TopiaException;
 
-     @MethodInfo ( type = MethodType.GENERATED )
+    @MethodInfo ( type = MethodType.GENERATED )
     public String toXML() throws TopiaException;
 
+    /**
+     * Add to a transient map the given couple of key/value
+     * @param key
+     * @param value
+     */
+    @MethodInfo ( type = MethodType.GENERATED )
+    public void setTransient(Object key, Object value);
+
+    /**
+     * Returns the value associated with the given key from the transient map
+     * @param key
+     * @return the value if exists, else null
+     */
+    @MethodInfo ( type = MethodType.GENERATED )
+    public Object getTransient(Object key);
+
 } // TopiaEntity