/*
* Copyright (c) 2008, 2009, 2010, 2011 Denis Tulskiy
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* version 3 along with this work. If not, see <http://www.gnu.org/licenses/>.
*/
package com.tulskiy.musique.playlist;
import java.util.HashMap;
/**
* Author: Denis Tulskiy
* Date: 12/3/10
*/
public class TrackDataCache {
private static TrackDataCache instance = new TrackDataCache();
public static TrackDataCache getInstance() {
return instance;
}
private HashMap<TrackData, TrackData> cache = new HashMap<TrackData, TrackData>();
public void cache(Track track) {
TrackData key = track.getTrackData();
TrackData trackData = cache.get(key);
if (trackData == null) {
cache.put(key, key);
} else {
// TrackData.merge overrides filled values with uninitialized ones (zeroes, etc.)
// TODO review if removal is right choice
track.setTrackData(trackData);
}
}
}