From f4508c27cef9b5c084d8ee223d5e9d1f57af28ae Mon Sep 17 00:00:00 2001
From: bblajer
Date: Mon, 21 May 2007 16:03:03 +0000
Subject: Do not add the same listener more than once

---
 .../runtime/lite/edit/parts/update/TransactionalUpdateManager.java    | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'plugins/org.eclipse.gmf.runtime.lite/src/org')

diff --git a/plugins/org.eclipse.gmf.runtime.lite/src/org/eclipse/gmf/runtime/lite/edit/parts/update/TransactionalUpdateManager.java b/plugins/org.eclipse.gmf.runtime.lite/src/org/eclipse/gmf/runtime/lite/edit/parts/update/TransactionalUpdateManager.java
index 470b1968f..75194e975 100644
--- a/plugins/org.eclipse.gmf.runtime.lite/src/org/eclipse/gmf/runtime/lite/edit/parts/update/TransactionalUpdateManager.java
+++ b/plugins/org.eclipse.gmf.runtime.lite/src/org/eclipse/gmf/runtime/lite/edit/parts/update/TransactionalUpdateManager.java
@@ -287,7 +287,9 @@ public class TransactionalUpdateManager extends ResourceSetListenerImpl {
 				listeners = new LinkedList<INotationModelRefresher>();
 				myListeners.put(view, listeners);
 			}
-			listeners.add(refresher);
+			if (!listeners.contains(refresher)) {
+				listeners.add(refresher);
+			}
 			if (myJustAddedListeners != null) {
 				myJustAddedListeners.add(refresher);
 			}
-- 
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