svn commit: r13817 - trunk/src_new/org/argouml/notation/NotationProvider.java

Author: tfmorris
Date: 2007-11-22 23:10:23-0800
New Revision: 13817

Modified:
   trunk/src_new/org/argouml/notation/NotationProvider.java

Log:
Log duplicate event listener registrations

Modified: trunk/src_new/org/argouml/notation/NotationProvider.java
Url: http://argouml.tigris.org/source/browse/argouml/trunk/src_new/org/argouml/notation/NotationProvider.java?view=diff&rev=13817&p1=trunk/src_new/org/argouml/notation/NotationProvider.java&p2=trunk/src_new/org/argouml/notation/NotationProvider.java&r1=13816&r2=13817
==============================================================================
--- trunk/src_new/org/argouml/notation/NotationProvider.java	(original)
+++ trunk/src_new/org/argouml/notation/NotationProvider.java	2007-11-22 23:10:23-0800
@@ -195,8 +195,14 @@
             LOG.warn("Encountered deleted object during delete of " + element);
             return;
         }
-        listeners.add(new Object[] {element, null});
-        Model.getPump().addModelEventListener(listener, element);
+        Object[] entry = new Object[] {element, null};
+        if (!listeners.contains(entry)) {
+            listeners.add(entry);
+            Model.getPump().addModelEventListener(listener, element);
+        } else {
+            LOG.warn("Attempted duplicate registration of event listener"
+                    + " - Element: " + element + " Listener: " + listener);
+        }
     }
     
     /*