--- a/src/treecms/memory/OnMemoryTree.java	Tue Mar 01 01:29:59 2011 +0900
+++ b/src/treecms/memory/OnMemoryTree.java	Mon Mar 14 23:24:38 2011 +0900
@@ -51,56 +51,4 @@
 		return m_table.get(_uuid);
 	}
 
-	@Override
-	public synchronized Node updateTree(Node _target,NodeData _newData)
-	{
-		LinkedList<OnMemoryNode> path = findAndClone(m_root,(OnMemoryNode)_target,_newData);
-		
-		if(path == null)
-		{
-			//not found.
-			return null;
-		}
-		
-		m_root = path.peekFirst();
-		return path.peekLast();
-	}
-	
-	OnMemoryNode cloneNode(OnMemoryNode _target,NodeData _newData)
-	{
-		OnMemoryNode clone = m_forest.createNode(_target.getID().update(),_newData);
-		m_table.put(clone.getID().getUUID(),clone);
-		return clone;
-	}
-	
-	LinkedList<OnMemoryNode> findAndClone(OnMemoryNode _parent,OnMemoryNode _target,NodeData _newData)
-	{
-		if(_parent.getID().isFamily(_target.getID())){
-			//find.
-			LinkedList<OnMemoryNode> path = new LinkedList<OnMemoryNode>();
-			OnMemoryNode clone = cloneNode((OnMemoryNode)_parent,_newData);
-			path.addFirst(clone);
-			return path;
-		}
-		
-		for(Node child : _parent.getData().list()){
-			LinkedList<OnMemoryNode> path = findAndClone((OnMemoryNode)child,_target,_newData);
-			if(path != null){
-				OnMemoryNode clone = cloneNode((OnMemoryNode)_parent,null);
-				clone.getData().list().remove(child);
-				clone.getData().list().add(path.peekFirst());
-				path.addFirst(clone);
-				return path;
-			}
-		}
-		
-		return null; //not found.
-	}
-
-	@Override
-	public Node getRoot()
-	{
-		return m_root;
-	}
-
 }