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perf: avoid quadratic overhead for UUID collection (#3749)

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avoid quadratic overhead for UUID collection
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Hannes Greule 2022-08-08 12:50:22 +02:00 committed by GitHub
parent e0eff15694
commit 3d19c5c2ad
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1 changed files with 7 additions and 12 deletions
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19
Bukkit/src/main/java/com/plotsquared/bukkit/BukkitPlatform.java
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@ -656,20 +656,15 @@ public final class BukkitPlatform extends JavaPlugin implements Listener, PlotPl
final @NonNull SQLiteUUIDService sqLiteUUIDService,
final @NonNull CacheUUIDService cacheUUIDService
) {
// Load all uuids into a big chunky boi queue
final Queue<UUID> uuidQueue = new LinkedBlockingQueue<>();
// Record all unique UUID's and put them into a queue
final Set<UUID> uuidSet = new HashSet<>();
PlotSquared.get().forEachPlotRaw(plot -> {
final Set<UUID> uuids = new HashSet<>();
uuids.add(plot.getOwnerAbs());
uuids.addAll(plot.getMembers());
uuids.addAll(plot.getTrusted());
uuids.addAll(plot.getDenied());
for (final UUID uuid : uuids) {
if (!uuidQueue.contains(uuid)) {
uuidQueue.add(uuid);
}
}
uuidSet.add(plot.getOwnerAbs());
uuidSet.addAll(plot.getMembers());
uuidSet.addAll(plot.getTrusted());
uuidSet.addAll(plot.getDenied());
});
final Queue<UUID> uuidQueue = new LinkedBlockingQueue<>(uuidSet);
LOGGER.info("(UUID) {} UUIDs will be cached", uuidQueue.size());