Index: topia2/src/java/org/codelutin/topia/persistence/TopiaEntity.java
diff -u topia2/src/java/org/codelutin/topia/persistence/TopiaEntity.java:1.7 topia2/src/java/org/codelutin/topia/persistence/TopiaEntity.java:1.8
--- topia2/src/java/org/codelutin/topia/persistence/TopiaEntity.java:1.7	Wed Jun  7 15:56:01 2006
+++ topia2/src/java/org/codelutin/topia/persistence/TopiaEntity.java	Fri Oct 20 00:26:25 2006
@@ -23,16 +23,17 @@
  * Created: 28 déc. 2005 22:48:10
  *
  * @author poussin
- * @version $Revision: 1.7 $
+ * @version $Revision: 1.8 $
  *
- * Last update: $Date: 2006/06/07 15:56:01 $
- * by : $Author: thimel $
+ * Last update: $Date: 2006/10/20 00:26:25 $
+ * by : $Author: bpoussin $
  */
 
 package org.codelutin.topia.persistence;
 
 import java.beans.PropertyChangeListener;
 import java.util.Date;
+import java.util.List;
 
 import org.codelutin.topia.TopiaContext;
 import org.codelutin.topia.TopiaException;
@@ -65,7 +66,20 @@
         
     public void update() throws TopiaException;
     public void delete() throws TopiaException;
-
+    
+    /**
+     * Return all object that must be deleted if this object is deleted
+     * @throws TopiaException
+     */
+    public List<TopiaEntity> getComposite() throws TopiaException;
+    
+    /**
+     * Return all object that are aggregate with this instance, aggreate object
+     * are not removed automaticaly
+     * @throws TopiaException
+     */
+    public List<TopiaEntity> getAggregate() throws TopiaException;
+    
     public void addPropertyListener(String propertyName,
             PropertyChangeListener listener);
     public void addPropertyListener(PropertyChangeListener listener);

Index: topia2/src/java/org/codelutin/topia/persistence/TopiaEntityAbstract.java
diff -u topia2/src/java/org/codelutin/topia/persistence/TopiaEntityAbstract.java:1.10 topia2/src/java/org/codelutin/topia/persistence/TopiaEntityAbstract.java:1.11
--- topia2/src/java/org/codelutin/topia/persistence/TopiaEntityAbstract.java:1.10	Mon Sep 25 13:20:57 2006
+++ topia2/src/java/org/codelutin/topia/persistence/TopiaEntityAbstract.java	Fri Oct 20 00:26:25 2006
@@ -23,9 +23,9 @@
  * 
  * @author poussin
  * 
- * @version $Revision: 1.10 $
+ * @version $Revision: 1.11 $
  * 
- * Last update: $Date: 2006/09/25 13:20:57 $ by : $Author: ruchaud $
+ * Last update: $Date: 2006/10/20 00:26:25 $ by : $Author: bpoussin $
  */
 
 package org.codelutin.topia.persistence;
@@ -37,6 +37,7 @@
 import java.beans.VetoableChangeListener;
 import java.beans.VetoableChangeSupport;
 import java.util.Date;
+import java.util.List;
 
 import org.apache.commons.logging.Log;
 import org.apache.commons.logging.LogFactory;
@@ -183,6 +184,20 @@
         throw new UnsupportedOperationException();
     }
 
+    /* (non-Javadoc)
+     * @see org.codelutin.topia.persistence.TopiaEntity#getComposite()
+     */
+    public List<TopiaEntity> getComposite() throws TopiaException {
+        throw new UnsupportedOperationException();
+    }
+    
+    /* (non-Javadoc)
+     * @see org.codelutin.topia.persistence.TopiaEntity#getAggregate()
+     */
+    public List<TopiaEntity> getAggregate() throws TopiaException {
+        throw new UnsupportedOperationException();
+    }
+    
     /**
      * On utilise la date de creation comme hash code, cette date ne varie pas
      * au cours du temps