Index: topia2/src/java/org/codelutin/topia/event/TopiaTransactionEvent.java
diff -u topia2/src/java/org/codelutin/topia/event/TopiaTransactionEvent.java:1.3 topia2/src/java/org/codelutin/topia/event/TopiaTransactionEvent.java:1.4
--- topia2/src/java/org/codelutin/topia/event/TopiaTransactionEvent.java:1.3	Mon Oct 23 15:01:57 2006
+++ topia2/src/java/org/codelutin/topia/event/TopiaTransactionEvent.java	Wed Nov 22 20:20:56 2006
@@ -20,31 +20,62 @@
 
 import java.util.EventObject;
 import java.util.HashSet;
+import java.util.Map;
 import java.util.Set;
 
+import org.apache.commons.collections.map.IdentityMap;
 import org.codelutin.topia.TopiaContext;
+import org.codelutin.topia.framework.EntityState;
 import org.codelutin.topia.persistence.TopiaEntity;
+import org.hibernate.util.IdentitySet;
 
 public class TopiaTransactionEvent extends EventObject {
 
     private static final long serialVersionUID = 1L;
 
-    private Set<TopiaEntity> entities;
+    private Map<TopiaEntity, EntityState> entities = new IdentityMap();
     
-    public TopiaTransactionEvent(Object source) {
-        super(source);
-        entities = new HashSet<TopiaEntity>();
+    public TopiaTransactionEvent(TopiaContext source) {
+        super(source);        
     }
-    
-    public void addEntity(TopiaEntity entity) {
-        entities.add(entity);
+
+    public TopiaTransactionEvent(TopiaContext source, Map<TopiaEntity, EntityState> entities) {
+        this(source);
+        this.entities.putAll(entities);
     }
-    
+        
     public Set<TopiaEntity> getEntities() {
-        return entities;
+        return entities.keySet();
+    }
+    
+    public boolean isLoad(TopiaEntity entity) {
+        EntityState state = entities.get(entity);
+        return state != null && state.isLoad(); 
+    }
+    public boolean isRead(TopiaEntity entity) {
+        EntityState state = entities.get(entity);
+        return state != null && state.isRead(); 
+    }
+    public boolean isCreate(TopiaEntity entity) {
+        EntityState state = entities.get(entity);
+        return state != null && state.isCreate(); 
+    }
+    public boolean isUpdate(TopiaEntity entity) {
+        EntityState state = entities.get(entity);
+        return state != null && state.isUpdate(); 
+    }
+    public boolean isDelete(TopiaEntity entity) {
+        EntityState state = entities.get(entity);
+        return state != null && state.isDelete(); 
+    }
+
+    public boolean isModification(TopiaEntity entity) {
+        EntityState state = entities.get(entity);
+        return state != null &&
+        (state.isCreate() || state.isUpdate() || state.isDelete()); 
     }
     
-    public TopiaContext getSource() {
+    public TopiaContext getTopiaContext() {
         return (TopiaContext) super.getSource();
     }
 }