--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/alice/jungle/datasegment/transformer/NetworkAppendChildAt.java	Tue Nov 26 06:43:10 2013 +0900
@@ -0,0 +1,35 @@
+package alice.jungle.datasegment.transformer;
+
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.EditableNode;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.NodeEditor;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.DefaultEither;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
+
+import org.msgpack.annotation.Message;
+
+
+/*
+ * This code same AppendChildAt. 
+ */
+
+@Message
+public class NetworkAppendChildAt implements NodeEditor {
+
+	private final int pos;
+	
+	public NetworkAppendChildAt(int _pos) {
+		pos = _pos;
+	}
+
+	@Override
+	public <T extends EditableNode<T>> Either<Error, T> edit(T _e) {
+		Either<Error,T> either = _e.getChildren().addNewChildAt(pos);
+		if(either.isA()){
+			// error
+			return either;
+		}
+		return DefaultEither.newB(either.b());
+	}
+
+}