using System.Collections;
using System;

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

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


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

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

		public int getPosition()
		{
			return pos;
		}

		public string getKey()
		{
			return null;
		}

		public object getValue()
		{
			return null;
		}

	}
}