package jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations;

import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.Command;
import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.AppendChildAt;
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;

public final class AppendChildAtOperation implements NodeOperation
{
	private final int pos;
	
	public AppendChildAtOperation(int _pos)
	{
		pos = _pos;
	}
	
	public Command getCommand()
	{
		return Command.APPEND_CHILD;
	}
	
	@Override
	public <T extends EditableNode<T>> Either<Error,T> invoke(T _target)
	{
		AppendChildAt appendChildAt = new AppendChildAt(pos);
		return appendChildAt.edit(_target);
	}
}