final Set<UUID> getPlayersOnServer(@NonNull String server) {
checkArgument(getProxy().getServers().containsKey(server), "server does not exist");
Collection<String> asStrings =
(Collection<String>)
getServerPlayersScript.eval(
ImmutableList.<String>of(), ImmutableList.<String>of(server));
ImmutableSet.Builder<UUID> builder = ImmutableSet.builder();
for (String s : asStrings) {
builder.add(UUID.fromString(s));
}
return builder.build();
}
private static ImmutableSortedSet copyOfInternal(Comparator comparator1, Iterable iterable) {
if (SortedIterables.hasSameComparator(comparator1, iterable)
&& (iterable instanceof ImmutableSortedSet)) {
ImmutableSortedSet immutablesortedset = (ImmutableSortedSet) iterable;
if (!immutablesortedset.isPartialView()) return immutablesortedset;
}
ImmutableList immutablelist =
ImmutableList.copyOf(SortedIterables.sortedUnique(comparator1, iterable));
Object obj;
if (immutablelist.isEmpty()) obj = emptySet(comparator1);
else obj = new RegularImmutableSortedSet(immutablelist, comparator1);
return ((ImmutableSortedSet) (obj));
}
private List<String> getCurrentServerIds(boolean nag, boolean lagged) {
try (Jedis jedis = pool.getResource()) {
long time = getRedisTime(jedis.time());
int nagTime = 0;
if (nag) {
nagTime = nagAboutServers.decrementAndGet();
if (nagTime <= 0) {
nagAboutServers.set(10);
}
}
ImmutableList.Builder<String> servers = ImmutableList.builder();
Map<String, String> heartbeats = jedis.hgetAll("heartbeats");
for (Map.Entry<String, String> entry : heartbeats.entrySet()) {
try {
long stamp = Long.parseLong(entry.getValue());
if (lagged ? time >= stamp + 30 : time <= stamp + 30) servers.add(entry.getKey());
else if (nag && nagTime <= 0) {
getLogger()
.severe(
entry.getKey()
+ " is "
+ (time - stamp)
+ " seconds behind! (Time not synchronized or server down?)");
}
} catch (NumberFormatException ignored) {
}
}
return servers.build();
} catch (JedisConnectionException e) {
getLogger().log(Level.SEVERE, "Unable to fetch server IDs", e);
return Collections.singletonList(configuration.getServerId());
}
}
/*
* Get the exponentially-decayed approximate counts of values in multiple buckets. The elements in
* the provided list denote the upper bound each of the buckets and must be sorted in ascending
* order.
*
* The approximate count in each bucket is guaranteed to be within 2 * totalCount * maxError of
* the real count.
*/
public List<Bucket> getHistogram(List<Long> bucketUpperBounds) {
checkArgument(
Ordering.natural().isOrdered(bucketUpperBounds),
"buckets must be sorted in increasing order");
final ImmutableList.Builder<Bucket> builder = ImmutableList.builder();
final PeekingIterator<Long> iterator = Iterators.peekingIterator(bucketUpperBounds.iterator());
final AtomicDouble sum = new AtomicDouble();
final AtomicDouble lastSum = new AtomicDouble();
// for computing weighed average of values in bucket
final AtomicDouble bucketWeightedSum = new AtomicDouble();
final double normalizationFactor = weight(TimeUnit.NANOSECONDS.toSeconds(ticker.read()));
postOrderTraversal(
root,
new Callback() {
@Override
public boolean process(Node node) {
while (iterator.hasNext() && iterator.peek() <= node.getUpperBound()) {
double bucketCount = sum.get() - lastSum.get();
Bucket bucket =
new Bucket(
bucketCount / normalizationFactor, bucketWeightedSum.get() / bucketCount);
builder.add(bucket);
lastSum.set(sum.get());
bucketWeightedSum.set(0);
iterator.next();
}
bucketWeightedSum.addAndGet(node.getMiddle() * node.weightedCount);
sum.addAndGet(node.weightedCount);
return iterator.hasNext();
}
});
while (iterator.hasNext()) {
double bucketCount = sum.get() - lastSum.get();
Bucket bucket =
new Bucket(bucketCount / normalizationFactor, bucketWeightedSum.get() / bucketCount);
builder.add(bucket);
iterator.next();
}
return builder.build();
}
/**
* Gets the values at the specified quantiles +/- maxError. The list of quantiles must be sorted
* in increasing order, and each value must be in the range [0, 1]
*/
public List<Long> getQuantiles(List<Double> quantiles) {
checkArgument(
Ordering.natural().isOrdered(quantiles), "quantiles must be sorted in increasing order");
for (double quantile : quantiles) {
checkArgument(quantile >= 0 && quantile <= 1, "quantile must be between [0,1]");
}
final ImmutableList.Builder<Long> builder = ImmutableList.builder();
final PeekingIterator<Double> iterator = Iterators.peekingIterator(quantiles.iterator());
postOrderTraversal(
root,
new Callback() {
private double sum = 0;
@Override
public boolean process(Node node) {
sum += node.weightedCount;
while (iterator.hasNext() && sum > iterator.peek() * weightedCount) {
iterator.next();
// we know the max value ever seen, so cap the percentile to provide better error
// bounds in this case
long value = Math.min(node.getUpperBound(), max);
builder.add(value);
}
return iterator.hasNext();
}
});
// we finished the traversal without consuming all quantiles. This means the remaining quantiles
// correspond to the max known value
while (iterator.hasNext()) {
builder.add(max);
iterator.next();
}
return builder.build();
}
@Override
public Map<String, Object> getValuesDeep() {
final Tag tag = this.findLastTag(this.path, false);
if (!(tag instanceof CompoundTag)) {
return Collections.emptyMap();
}
final Queue<Node> node =
new ArrayDeque<Node>(
(Collection<? extends Node>) ImmutableList.of((Object) new Node(tag)));
final Map<String, Object> values = (Map<String, Object>) Maps.newHashMap();
while (!node.isEmpty()) {
final Node root = node.poll();
for (final Map.Entry<String, Tag> entry : root.values.entrySet()) {
final String key = this.createRelativeKey(root.parent, entry.getKey());
if (entry.getValue() instanceof CompoundTag) {
node.add(new Node(key, entry.getValue()));
} else {
values.put(key, entry.getValue().getValue());
}
}
}
return values;
}
/**
* Gets the value at the specified quantile +/- maxError. The quantile must be in the range [0, 1]
*/
public long getQuantile(double quantile) {
return getQuantiles(ImmutableList.of(quantile)).get(0);
}
public static ImmutableSortedSet of(Comparable comparable) {
return new RegularImmutableSortedSet(ImmutableList.of(comparable), Ordering.natural());
}
private static ImmutableSortedSet copyOfInternal(Comparator comparator1, Iterator iterator1) {
ImmutableList immutablelist =
ImmutableList.copyOf(SortedIterables.sortedUnique(comparator1, iterator1));
if (immutablelist.isEmpty()) return emptySet(comparator1);
else return new RegularImmutableSortedSet(immutablelist, comparator1);
}
private void init(
PName name,
PTableType type,
long timeStamp,
long sequenceNumber,
String pkName,
List<PColumn> columns,
PTableStats stats) {
this.name = name;
this.type = type;
this.timeStamp = timeStamp;
this.sequenceNumber = sequenceNumber;
this.columnsByName = ArrayListMultimap.create(columns.size(), 1);
this.pkName = pkName;
List<PColumn> pkColumns = Lists.newArrayListWithExpectedSize(columns.size() - 1);
PColumn[] allColumns = new PColumn[columns.size()];
RowKeySchemaBuilder builder = new RowKeySchemaBuilder();
for (int i = 0; i < allColumns.length; i++) {
PColumn column = columns.get(i);
allColumns[column.getPosition()] = column;
PName familyName = column.getFamilyName();
if (familyName == null) {
pkColumns.add(column);
builder.addField(column);
}
columnsByName.put(column.getName().getString(), column);
}
this.pkColumns = ImmutableList.copyOf(pkColumns);
this.rowKeySchema = builder.setMinNullable(pkColumns.size()).build();
this.allColumns = ImmutableList.copyOf(allColumns);
// Two pass so that column order in column families matches overall column order
// and to ensure that column family order is constant
int maxExpectedSize = allColumns.length - pkColumns.size();
// Maintain iteration order so that column families are ordered as they are listed
Map<PName, List<PColumn>> familyMap = Maps.newLinkedHashMap();
for (PColumn column : allColumns) {
PName familyName = column.getFamilyName();
if (familyName != null) {
List<PColumn> columnsInFamily = familyMap.get(familyName);
if (columnsInFamily == null) {
columnsInFamily = Lists.newArrayListWithExpectedSize(maxExpectedSize);
familyMap.put(familyName, columnsInFamily);
}
columnsInFamily.add(column);
}
}
Iterator<Map.Entry<PName, List<PColumn>>> iterator = familyMap.entrySet().iterator();
PColumnFamily[] families = new PColumnFamily[familyMap.size()];
ImmutableMap.Builder<String, PColumnFamily> familyByString = ImmutableMap.builder();
ImmutableSortedMap.Builder<byte[], PColumnFamily> familyByBytes =
ImmutableSortedMap.orderedBy(Bytes.BYTES_COMPARATOR);
for (int i = 0; i < families.length; i++) {
Map.Entry<PName, List<PColumn>> entry = iterator.next();
PColumnFamily family = new PColumnFamilyImpl(entry.getKey(), entry.getValue());
families[i] = family;
familyByString.put(family.getName().getString(), family);
familyByBytes.put(family.getName().getBytes(), family);
}
this.families = ImmutableList.copyOf(families);
this.familyByBytes = familyByBytes.build();
this.familyByString = familyByString.build();
this.stats = stats;
}
final int getCurrentCount() {
Long count =
(Long) getPlayerCountScript.eval(ImmutableList.<String>of(), ImmutableList.<String>of());
return count.intValue();
}