--- a/src/main/java/alice/jungle/transaction/NetworkDefaultJungleTree.java	Wed Jul 30 22:17:23 2014 +0900
+++ b/src/main/java/alice/jungle/transaction/NetworkDefaultJungleTree.java	Mon Sep 01 00:04:32 2014 +0900
@@ -2,7 +2,6 @@
 
 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTree;
 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.JungleTreeEditor;
-import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.core.Node;
 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.persistent.ChangeListWriter;
 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.ChangeSet;
 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.TreeEditor;
@@ -10,7 +9,7 @@
 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.AtomicReservableReference;
 import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.transaction.TreeContext;
 
-public class NetworkDefaultJungleTree<T extends TreeNode<T>> implements JungleTree {
+public class NetworkDefaultJungleTree<T extends TreeNode> implements JungleTree {
 	private final AtomicReservableReference<TreeContext<T>> repository;
 	private final String uuid;
 	private final String treeName;
@@ -31,7 +30,7 @@
 	{
 		TreeContext<T> tc = repository.get();
 		NetworkTransactionManager<T> txManager = new NetworkTransactionManager<T>(treeName, writer,tc,repository,uuid);
-		T root = tc.getTreeNode();
+		TreeNode root = tc.getTreeNode();
 		return new NetworkDefaultJungleTreeEditor<T>(treeName, root,txManager,editor);
 	}
 	
@@ -40,12 +39,12 @@
 	{
 		TreeContext<T> tc = repository.get();
 		NetworkTransactionManager<T> txManager = new NetworkTransactionManager<T>(treeName, writer,tc,repository,uuid);
-		T root = tc.getTreeNode();
+		TreeNode root = tc.getTreeNode();
 		return NetworkDefaultJungleTreeEditor.NewLocalJungleTreeEditor(treeName,root,txManager, editor);
 	}
 	
 	@Override
-	public Node getRootNode()
+	public TreeNode getRootNode()
 	{
 		TreeContext<T> tc = repository.get();
 		ChangeSet cs = tc.getChangeSet();