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Fixed the Thread Safe Cache

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This commit is contained in:
Wyatt Childers 2016-02-02 18:15:33 -05:00
parent 81960c6b54
commit c62125cd70
1 changed files with 11 additions and 23 deletions
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34
worldedit-sponge/src/main/java/com/sk89q/worldedit/sponge/ThreadSafeCache.java
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@ -24,6 +24,9 @@ import net.minecraft.server.MinecraftServer;
import net.minecraftforge.fml.common.FMLCommonHandler;
import net.minecraftforge.fml.common.eventhandler.SubscribeEvent;
import net.minecraftforge.fml.common.gameevent.TickEvent;
import org.spongepowered.api.Sponge;
import org.spongepowered.api.entity.living.player.Player;
import org.spongepowered.api.event.Listener;
import java.util.Collections;
import java.util.HashSet;
@ -34,12 +37,10 @@ import java.util.concurrent.CopyOnWriteArraySet;
/**
* Caches data that cannot be accessed from another thread safely.
*/
public class ThreadSafeCache {
public class ThreadSafeCache implements Runnable {
private static final long REFRESH_DELAY = 1000 * 30;
private static final ThreadSafeCache INSTANCE = new ThreadSafeCache();
private Set<UUID> onlineIds = Collections.emptySet();
private long lastRefresh = 0;
/**
* Get an concurrent-safe set of UUIDs of online players.
@ -50,28 +51,15 @@ public class ThreadSafeCache {
return onlineIds;
}
@SubscribeEvent
public void tickStart(TickEvent event) {
long now = System.currentTimeMillis();
@Override
public void run() {
Set<UUID> onlineIds = new HashSet<>();
if (now - lastRefresh > REFRESH_DELAY) {
Set<UUID> onlineIds = new HashSet<UUID>();
MinecraftServer server = FMLCommonHandler.instance().getMinecraftServerInstance();
if (server == null || server.getConfigurationManager() == null) {
return;
}
for (Object object : FMLCommonHandler.instance().getMinecraftServerInstance().getConfigurationManager().playerEntityList) {
if (object != null) {
EntityPlayerMP player = (EntityPlayerMP) object;
onlineIds.add(player.getUniqueID());
}
}
this.onlineIds = new CopyOnWriteArraySet<UUID>(onlineIds);
lastRefresh = now;
for (Player player : Sponge.getServer().getOnlinePlayers()) {
onlineIds.add(player.getUniqueId());
}
this.onlineIds = new CopyOnWriteArraySet<>(onlineIds);
}
public static ThreadSafeCache getInstance() {