synchronized void removeByIdentifier(String identifier) {
RequestStatus status = requestsByIdentifier.remove(identifier);
if (status == null) return;
if (status instanceof DownloadRequestStatus) {
downloads.remove(status);
FreenetURI uri = status.getURI();
assert (uri != null);
downloadsByURI.removeElement(uri, status);
} else if (status instanceof UploadRequestStatus) {
uploads.remove(status);
FreenetURI uri = ((UploadRequestStatus) status).getFinalURI();
if (uri != null) uploadsByFinalURI.removeElement(uri, status);
}
}
