void MusicCollection::displayArtists() { std::cout << "\nArtists\n-----------------------------\n"; MusicArtistIterator ia = getArtists(); while( ia.hasNext() ) { MusicArtist *artist = ia.next().value(); std::cout << artist->getName() << std::endl; MusicAlbumIterator il = artist->getAlbums(); while( il.hasNext() ) { MusicAlbum *album = il.next().value(); std::cout << "\t#" << album->getName() << std::endl; MusicTrackIterator it = album->getTracks(); while( it.hasNext() ) { MusicTrack *track = it.next(); std::cout << "\t\t-" << track->getTitle() << std::endl; } } MusicTrackIterator it = artist->getTracks(); while( it.hasNext() ) { MusicTrack *track = it.next(); std::cout << "\t$" << track->getTitle() << std::endl; } } }
MusicArtist::~MusicArtist() { MusicAlbumIterator album = getAlbums(); while ( album.hasNext() ) { MusicAlbum *a = album.next().value(); delete a; } _albums->clear(); delete _albums; }