checkArgument(equals(album.getParent()), "album must belong to this album");
int oldIndex = albums.indexOf(album);
if (oldIndex <= 0) {
checkArgument(equals(album.getParent()), "album must belong to this album");
int oldIndex = albums.indexOf(album);
if (oldIndex <= 0) {
checkArgument(equals(album.getParent()), "album must belong to this album");
int oldIndex = albums.indexOf(album);
if ((oldIndex < 0) || (oldIndex >= (albums.size() - 1))) {
checkArgument(equals(album.getParent()), "album must belong to this album");
int oldIndex = albums.indexOf(album);
if ((oldIndex < 0) || (oldIndex >= (albums.size() - 1))) {