Index: topia/src/java/org/codelutin/topia/persistence/serialization/SerializablePersistenceHelper.java
diff -u topia/src/java/org/codelutin/topia/persistence/serialization/SerializablePersistenceHelper.java:1.4 topia/src/java/org/codelutin/topia/persistence/serialization/SerializablePersistenceHelper.java:1.5
--- topia/src/java/org/codelutin/topia/persistence/serialization/SerializablePersistenceHelper.java:1.4	Wed Jun 15 16:52:29 2005
+++ topia/src/java/org/codelutin/topia/persistence/serialization/SerializablePersistenceHelper.java	Tue Jun 21 17:00:43 2005
@@ -24,7 +24,7 @@
 * Created: 10 juin 2005
 *
 * @author Arnaud Thimel <thimel@codelutin.com>
-* @version $Revision: 1.4 $
+* @version $Revision: 1.5 $
 */
 
 
@@ -43,6 +43,7 @@
 import java.util.Iterator;
 import java.util.List;
 import java.util.Properties;
+import java.util.logging.Logger;
 
 import org.codelutin.queryparser.QueryHelperException;
 import org.codelutin.topia.AsynchronousLoader;
@@ -58,17 +59,25 @@
 
 public class SerializablePersistenceHelper extends AbstractPersistenceHelper {
 
+    /** to use log facility, just put in your code: log.info("..."); */
+    static private Logger log = Logger.getLogger("org.codelutin.topia." +
+        "persistence.serialization.SerializablePersistenceHelper");
+
+    HashMap entities;
+    
     public void finalize() { //Au cas où ca fonctionne...
         destroy();
     }
     
     public void destroy() {
         File dbFile = getPersistenceFile();
+        log.info("Using file : " + dbFile.getAbsolutePath());
         ObjectOutputStream output;
         try {
             output = new ObjectOutputStream(new FileOutputStream(dbFile));
             output.writeObject(entities);
             output.close();
+            log.info(entities.size() + " entite(s) saved to file...");
         } catch (FileNotFoundException e) {
             e.printStackTrace();
         } catch (IOException e) {
@@ -76,8 +85,6 @@
         }
     }
 
-    HashMap entities;
-    
     /**
      * @param context
      * @param properties
@@ -85,7 +92,6 @@
     public SerializablePersistenceHelper(TopiaContext context, Properties properties) {
         super(context, properties);
         load();
-        printEntities();
     }
 
     private File getPersistenceFile() {
@@ -99,9 +105,9 @@
         File dbFile = getPersistenceFile();
         if (dbFile.exists()) {
             try {
-                ObjectInputStream intput = new ObjectInputStream(new FileInputStream(dbFile));
-                entities = (HashMap)intput.readObject();
-                intput.close();
+                ObjectInputStream input = new ObjectInputStream(new FileInputStream(dbFile));
+                entities = (HashMap)input.readObject();
+                input.close();
             } catch (FileNotFoundException e) {
                 e.printStackTrace();
             } catch (IOException e) {
@@ -109,9 +115,10 @@
             } catch (ClassNotFoundException e) {
                 e.printStackTrace();
             }
-        } else {
-            entities = new HashMap();
         }
+        if (entities == null)
+            entities = new HashMap();
+        log.info(entities.size() + " entite(s) loaded from file...");
     }
 
     public TopiaEntity create(Class entityClass) throws TopiaException {
@@ -127,7 +134,8 @@
         entity.set_topiaLastUpdateDate_(new Date());
         String entityId = entity.get_topiaId_();
         TopiaEntity doEntity = (TopiaEntity)entities.get(entityId);
-        if ("0".equals(entity.get_topiaVersion_())) {//L'entité vient d'être créée
+        if ("0".equals(entity.get_topiaVersion_())) {
+            //L'entité vient d'être créée
             if (doEntity == null) {
                 doEntity = entity;
                 entities.put(entityId, doEntity);
@@ -138,7 +146,7 @@
             if (doEntity == null) {
                 throw new TopiaException("Can't persist entity, can't find entity for topiaId : " + entityId);
             } else {
-                //TODO Arno : Update ???
+                //Update
                 doEntity = entity;
                 entities.put(entityId, doEntity);
             }
@@ -215,7 +223,7 @@
      * @see org.codelutin.topia.persistence.PersistenceHelper#size(org.codelutin.topia.TopiaQuery)
      */
     public int size(TopiaQuery query) throws TopiaException {
-        return find(query).size();
+        return find(query).size(); //TODO Possible optimisation
     }
 
     /* (non-Javadoc)