public void refreshLabelsCache(byte[] data) throws IOException {
List<VisibilityLabel> visibilityLabels = null;
try {
visibilityLabels = VisibilityUtils.readLabelsFromZKData(data);
} catch (DeserializationException dse) {
throw new IOException(dse);
}
this.lock.writeLock().lock();
try {
labels.clear();
ordinalVsLabels.clear();
for (VisibilityLabel visLabel : visibilityLabels) {
String label = Bytes.toString(visLabel.getLabel().toByteArray());
labels.put(label, visLabel.getOrdinal());
ordinalVsLabels.put(visLabel.getOrdinal(), label);
}
} finally {
this.lock.writeLock().unlock();
}
}
public void refreshUserAuthsCache(byte[] data) throws IOException {
MultiUserAuthorizations multiUserAuths = null;
try {
multiUserAuths = VisibilityUtils.readUserAuthsFromZKData(data);
} catch (DeserializationException dse) {
throw new IOException(dse);
}
this.lock.writeLock().lock();
try {
this.userAuths.clear();
this.groupAuths.clear();
for (UserAuthorizations userAuths : multiUserAuths.getUserAuthsList()) {
String user = Bytes.toString(userAuths.getUser().toByteArray());
if (AuthUtil.isGroupPrincipal(user)) {
this.groupAuths.put(
AuthUtil.getGroupName(user), new HashSet<Integer>(userAuths.getAuthList()));
} else {
this.userAuths.put(user, new HashSet<Integer>(userAuths.getAuthList()));
}
}
} finally {
this.lock.writeLock().unlock();
}
}