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

[iv...@apache.org]

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;