--- a/src/main/java/alice/jungle/transaction/NetworkDefaultJungleTreeEditor.java	Fri Oct 17 15:16:56 2014 +0900
+++ b/src/main/java/alice/jungle/transaction/NetworkDefaultJungleTreeEditor.java	Thu Jan 15 09:23:23 2015 +0900
@@ -133,7 +133,7 @@
 	@Override
 	public Either<Error,JungleTreeEditor> success()
 	{
-		Either<Error,TransactionManager> either = txManager.commit(root,log,null);
+		Either<Error,TransactionManager> either = txManager.commit(root,log);
 		if(either.isA()){
 			return DefaultEither.newA(either.a());
 		}
@@ -151,24 +151,16 @@
 		return DefaultEither.newB(newTreeEditor);
 	}
 
-	@Override
-	public String getID()
+	private String getID()
 	{
 		return txManager.getUUID();
 	}
 
-	@Override
-	public String getRevision()
+	private String getRevision()
 	{
 		return Long.toString(txManager.getRevision());
 	}
 
-	@Override
-	public TreeNode getRoot()
-	{
-		return root;
-	}
-	
 	public String getTreeName() {
 		return treeName;
 	}