import static com.google.common.base.Optional.fromNullable;
import static com.google.common.base.Preconditions.checkArgument;
import static com.google.common.base.Preconditions.checkNotNull;
-import static com.google.common.base.Preconditions.checkState;
import java.util.ArrayList;
import java.util.HashMap;
checkArgument(image.getAlbum().equals(this), "image must belong to this album");
int oldIndex = imageIds.indexOf(image.getId());
if (oldIndex <= 0) {
- return null;
+ return image;
}
imageIds.remove(image.getId());
imageIds.add(oldIndex - 1, image.getId());
checkArgument(image.getAlbum().equals(this), "image must belong to this album");
int oldIndex = imageIds.indexOf(image.getId());
if ((oldIndex == -1) || (oldIndex >= (imageIds.size() - 1))) {
- return null;
+ return image;
}
imageIds.remove(image.getId());
imageIds.add(oldIndex + 1, image.getId());