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 object getValue() {
			return null;
		}
	}
}