using System.Collections;
using System;

namespace JungleDB {
	public class AppendChildAtOperation : NodeOperation {
		private int pos;

		public AppendChildAtOperation(int _pos)
		{
			pos = _pos;
		}

		public Command getCommand()
		{
			return Command.APPEND_CHILD;
		}

		public Either<Error,TreeNode> invoke(TreeNode _target)
		{
			return _target.getChildren().addNewChildAt(pos);
		}

		public int getPosition()
		{
			return pos;
		}

		public string getKey()
		{
			return null;
		}

		public object getValue()
		{
			return null;
		}

	}
}