svn commit: r989396 - /wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/tree/AbstractTree.java

[ivaynberg]

Author: ivaynberg
Date: Wed Aug 25 22:50:44 2010
New Revision: 989396

URL: http://svn.apache.org/viewvc?rev=989396&view=rev
Log:

Issue: WICKET-1985

Modified:
    
wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/tree/AbstractTree.java

Modified: 
wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/tree/AbstractTree.java
URL: 
http://svn.apache.org/viewvc/wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/tree/AbstractTree.java?rev=989396&r1=989395&r2=989396&view=diff
==============================================================================
--- 
wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/tree/AbstractTree.java
 (original)
+++ 
wicket/trunk/wicket/src/main/java/org/apache/wicket/markup/html/tree/AbstractTree.java
 Wed Aug 25 22:50:44 2010
@@ -21,9 +21,11 @@ import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Enumeration;
 import java.util.HashMap;
+import java.util.HashSet;
 import java.util.Iterator;
 import java.util.List;
 import java.util.Map;
+import java.util.Set;
 
 import javax.swing.event.TreeModelEvent;
 import javax.swing.event.TreeModelListener;
@@ -420,12 +422,12 @@ public abstract class AbstractTree exten
         * list of dirty items. if children property of these items is null, 
the children will be
         * rebuild.
         */
-       private final List<TreeItem> dirtyItems = new ArrayList<TreeItem>();
+       private final Set<TreeItem> dirtyItems = new HashSet<TreeItem>();
 
        /**
         * list of dirty items which need the DOM structure to be created for 
them (added items)
         */
-       private final List<TreeItem> dirtyItemsCreateDOM = new 
ArrayList<TreeItem>();
+       private final Set<TreeItem> dirtyItemsCreateDOM = new 
HashSet<TreeItem>();
 
        /** counter for generating unique ids of every tree item. */
        private int idCounter = 0;