package com.cappielloantonio.play.util; import com.cappielloantonio.play.model.Queue; import com.cappielloantonio.play.model.Song; import java.util.ArrayList; import java.util.List; public class QueueUtil { public static Queue getQueueElementFromSong(Song song) { return new Queue(song.getId(), 0); } public static List getQueueElementsFromSongs(List songs) { int counter = 0; List queue = new ArrayList<>(); for(Song song: songs) { queue.add(new Queue(song.getId(), counter)); counter++; } return queue; } }