final Set<UUID> getPlayers() {
ImmutableSet.Builder<UUID> setBuilder = ImmutableSet.builder();
if (pool != null) {
try (Jedis rsc = pool.getResource()) {
List<String> keys = new ArrayList<>();
for (String i : getServerIds()) {
keys.add("proxy:" + i + ":usersOnline");
}
if (!keys.isEmpty()) {
Set<String> users = rsc.sunion(keys.toArray(new String[keys.size()]));
if (users != null && !users.isEmpty()) {
for (String user : users) {
try {
setBuilder = setBuilder.add(UUID.fromString(user));
} catch (IllegalArgumentException ignored) {
}
}
}
}
} catch (JedisConnectionException e) {
// Redis server has disappeared!
getLogger()
.log(
Level.SEVERE,
"Unable to get connection from pool - did your Redis server go away?",
e);
throw new RuntimeException("Unable to get all players online", e);
}
}
return setBuilder.build();
}
