--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/alice/jungle/operations/NetworkDeleteChildAtOperation.java	Tue Nov 26 06:43:10 2013 +0900
@@ -0,0 +1,58 @@
+package alice.jungle.operations;
+
+import java.nio.ByteBuffer;
+
+import org.msgpack.annotation.Message;
+
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.Command;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.NodeOperation;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.DeleteChildAt;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.EditableNode;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
+
+@Message
+public class NetworkDeleteChildAtOperation implements NodeOperation
+{
+	/* MessagePack cannot handle final.*/
+	//private final int pos;
+	private int pos;
+	
+	
+	/* Position -1 represent root position. */	
+	public NetworkDeleteChildAtOperation(int _pos)
+	{
+		pos = _pos;
+	}
+	
+	@Override
+	public Command getCommand()
+	{
+		return Command.DELETE_CHILD;
+	}
+	
+	@Override
+	public <T extends EditableNode<T>> Either<Error, T> invoke(T _target)
+	{
+		DeleteChildAt deleteChildAt = new DeleteChildAt(pos);
+		return deleteChildAt.edit(_target);
+	}
+
+	@Override
+	public int getPosition()
+	{
+		return pos;
+	}
+
+	@Override
+	public String getKey()
+	{
+		return null;
+	}
+
+	@Override
+	public ByteBuffer getValue()
+	{
+		return null;
+	}
+}