// Copyright (C) 2011 Zeno Gantner
//
// This file is part of MyMediaLite.
//
// MyMediaLite is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// MyMediaLite is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with MyMediaLite. If not, see <http://www.gnu.org/licenses/>.
package org.mymedialite.data;
import java.util.Date;
/**
* Interface for rating datasets with time information.
* @version 2.03
*/
public interface ITimedRatings extends IRatings, ITimedDataSet {
/**
* Add a rating event including time information.
*
* It is up to the user of a class implementing this interface to decide whether the DateTime
* object represent local time, UTC, or any other time.
*
* @param user_id the user ID
* @param item_id the item ID
* @param rating the rating value
* @param time a Date specifying the time of the rating event
*/
void add(int user_id, int item_id, double rating, Date time);
}