--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Main/jungle-main/store/operations/ReplaceRootNodeOperation.cs	Thu Dec 15 22:52:48 2016 +0900
@@ -0,0 +1,28 @@
+using UnityEngine;
+using System.Collections;
+using System;
+
+namespace JungleDB {
+	public class ReplaceRootNodeOperation : NodeOperation {
+		
+		public Command getCommand() {
+			return Command.REPLACE_ROOT;
+		}
+
+		public Either<Error, TreeNode> invoke(TreeNode target) {
+			return  target.appendRootNode();
+		}
+
+		public int getPosition() {
+			return -1;
+		}
+
+		public string getKey() {
+			return null;
+		}
+
+		public byte[] getValue() {
+			return new byte[1]{0};
+		}
+	}
+}