Queued writing of the files to reduce disk io

Essentials/src/net/ess3/Essentials.java

@@ -24,6 +24,7 @@ import java.util.List;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 import lombok.Getter;
+import lombok.Setter;
 import static net.ess3.I18n._;
 import net.ess3.api.*;
 import net.ess3.backup.Backup;
@@ -36,6 +37,7 @@ import net.ess3.metrics.Metrics;
 import net.ess3.ranks.RanksStorage;
 import net.ess3.settings.SettingsHolder;
 import net.ess3.settings.SpawnsHolder;
+import net.ess3.storage.StorageQueue;
 import net.ess3.user.UserMap;
 import net.ess3.utils.ExecuteTimer;
 import org.bukkit.Server;
@@ -46,22 +48,34 @@ import org.bukkit.plugin.InvalidDescriptionException;
 
 public class Essentials implements IEssentials
 {
+	@Getter
 	private transient ISettings settings;
+	@Getter
 	private transient IJails jails;
+	@Getter
 	private transient IKits kits;
+	@Getter
 	private transient IWarps warps;
+	@Getter
 	private transient IWorth worth;
-	private transient List<IReload> reloadList;
+	@Getter
 	private transient IBackup backup;
+	@Getter
 	private transient IItemDb itemDb;
-	private transient IRanks groups;
+	@Getter
+	@Setter
+	private transient IRanks ranks;
+	@Getter
 	private transient SpawnsHolder spawns;
+	@Getter
 	private transient final Methods paymentMethod = new Methods();
+	@Getter
 	private transient IUserMap userMap;
-	private transient ExecuteTimer execTimer;
 	@Getter
 	private final I18n i18n;
+	@Getter
 	private transient ICommandHandler commandHandler;
+	@Getter
 	private transient Economy economy;
 	@Getter
 	private final Server server;
@@ -69,28 +83,29 @@ public class Essentials implements IEssentials
 	private final Logger logger;
 	@Getter
 	private final IPlugin plugin;
-	public static boolean testing;
+	@Getter
+	@Setter
 	private transient Metrics metrics;
 	@Getter
 	private transient EssentialsTimer timer;
 	@Getter
 	private transient List<String> vanishedPlayers = new ArrayList<String>();
+	@Getter
+	private final transient StorageQueue storageQueue;
+	private transient ExecuteTimer execTimer;
+	public static boolean testing;
+	private transient List<IReload> reloadList;
 
 	public Essentials(final Server server, final Logger logger, final IPlugin plugin)
 	{
 		this.server = server;
 		this.logger = logger;
 		this.plugin = plugin;
+		this.storageQueue = new StorageQueue(plugin);
 		this.i18n = new I18n(this);
 		i18n.onEnable();
 	}
 
-	@Override
-	public ISettings getSettings()
-	{
-		return settings;
-	}
-
 	public void setupForTesting(final Server server) throws IOException, InvalidDescriptionException
 	{
 		testing = true;
@@ -106,6 +121,7 @@ public class Essentials implements IEssentials
 
 		logger.log(Level.INFO, I18n._("usingTempFolderForTesting"));
 		logger.log(Level.INFO, dataFolder.toString());
+		storageQueue.setEnabled(true);
 		settings = new SettingsHolder(this);
 		i18n.updateLocale("en");
 		userMap = new UserMap(this);
@@ -115,6 +131,7 @@ public class Essentials implements IEssentials
 	@Override
 	public void onEnable()
 	{
+		storageQueue.setEnabled(true);
 		execTimer = new ExecuteTimer();
 		execTimer.start();
 
@@ -130,8 +147,8 @@ public class Essentials implements IEssentials
 		userMap = new UserMap(this);
 		reloadList.add(userMap);
 		execTimer.mark("Init(Usermap)");
-		groups = new RanksStorage(this);
+		ranks = new RanksStorage(this);
-		reloadList.add((RanksStorage)groups);
+		reloadList.add((RanksStorage)ranks);
 		warps = new Warps(this);
 		reloadList.add(warps);
 		execTimer.mark("Init(Spawn/Warp)");
@@ -181,6 +198,7 @@ public class Essentials implements IEssentials
 		}
 		i18n.onDisable();
 		Trade.closeLog();
+		storageQueue.setEnabled(false);
 	}
 
 	@Override
@@ -197,48 +215,6 @@ public class Essentials implements IEssentials
 		i18n.updateLocale(settings.getLocale());
 	}
 
-	@Override
-	public IJails getJails()
-	{
-		return jails;
-	}
-
-	@Override
-	public IKits getKits()
-	{
-		return kits;
-	}
-
-	@Override
-	public IWarps getWarps()
-	{
-		return warps;
-	}
-
-	@Override
-	public IWorth getWorth()
-	{
-		return worth;
-	}
-
-	@Override
-	public IBackup getBackup()
-	{
-		return backup;
-	}
-
-	@Override
-	public Metrics getMetrics()
-	{
-		return metrics;
-	}
-
-	@Override
-	public void setMetrics(Metrics metrics)
-	{
-		this.metrics = metrics;
-	}
-
 	@Override
 	public World getWorld(final String name)
 	{
@@ -259,12 +235,6 @@ public class Essentials implements IEssentials
 		reloadList.add(listener);
 	}
 
-	@Override
-	public Methods getPaymentMethod()
-	{
-		return paymentMethod;
-	}
-
 	@Override
 	public int broadcastMessage(final IUser sender, final String message)
 	{
@@ -288,57 +258,9 @@ public class Essentials implements IEssentials
 		return getServer().getOnlinePlayers().length;
 	}
 
-	@Override
-	public IItemDb getItemDb()
-	{
-		return itemDb;
-	}
-
-	@Override
-	public IUserMap getUserMap()
-	{
-		return userMap;
-	}
-
-	@Override
-	public IRanks getRanks()
-	{
-		return groups;
-	}
-
-	@Override
-	public ICommandHandler getCommandHandler()
-	{
-		return commandHandler;
-	}
-
-	@Override
-	public void setRanks(final IRanks groups)
-	{
-		this.groups = groups;
-	}
-
 	@Override
 	public void removeReloadListener(IReload groups)
 	{
 		this.reloadList.remove(groups);
 	}
-
-	@Override
-	public IEconomy getEconomy()
-	{
-		return economy;
-	}
-
-	@Override
-	public SpawnsHolder getSpawns()
-	{
-		return spawns;
-	}
-
-	@Override
-	public void reload()
-	{
-		//do something
-	}
 }

Essentials/src/net/ess3/Jails.java

@@ -31,7 +31,7 @@ public class Jails extends AsyncStorageObjectHolder<net.ess3.settings.Jails> imp
 
 	public Jails(final IEssentials ess)
 	{
-		super(ess, net.ess3.settings.Jails.class);
+		super(ess, net.ess3.settings.Jails.class, new File(ess.getPlugin().getDataFolder(), "jail.yml"));
 		onReload();
 		registerListeners();
 	}
@@ -45,12 +45,6 @@ public class Jails extends AsyncStorageObjectHolder<net.ess3.settings.Jails> imp
 		pluginManager.registerEvents(playerListener, ess.getPlugin());
 	}
 
-	@Override
-	public File getStorageFile()
-	{
-		return new File(ess.getPlugin().getDataFolder(), "jail.yml");
-	}
-
 	@Override
 	public Location getJail(final String jailName) throws Exception
 	{

Essentials/src/net/ess3/Kits.java

@@ -19,16 +19,10 @@ public class Kits extends AsyncStorageObjectHolder<net.ess3.settings.Kits> imple
 {
 	public Kits(final IEssentials ess)
 	{
-		super(ess, net.ess3.settings.Kits.class);
+		super(ess, net.ess3.settings.Kits.class, new File(ess.getPlugin().getDataFolder(), "kits.yml"));
 		onReload();
 	}
 
-	@Override
-	public File getStorageFile() throws IOException
-	{
-		return new File(ess.getPlugin().getDataFolder(), "kits.yml");
-	}
-
 	@Override
 	public Kit getKit(String kitName) throws Exception
 	{

Essentials/src/net/ess3/api/IEssentials.java

@@ -6,6 +6,7 @@ import net.ess3.EssentialsTimer;
 import net.ess3.economy.register.Methods;
 import net.ess3.metrics.Metrics;
 import net.ess3.settings.SpawnsHolder;
+import net.ess3.storage.StorageQueue;
 import org.bukkit.Server;
 import org.bukkit.World;
 
@@ -42,8 +43,6 @@ public interface IEssentials extends IComponent
 
 	Methods getPaymentMethod();
 
-	void reload();
-
 	void setRanks(IRanks groups);
 
 	void removeReloadListener(IReload groups);
@@ -65,4 +64,6 @@ public interface IEssentials extends IComponent
 	void setMetrics(Metrics metrics);
 
 	SpawnsHolder getSpawns();
+	
+	StorageQueue getStorageQueue();
 }

Essentials/src/net/ess3/commands/Commandessentials.java

@@ -51,7 +51,7 @@ public class Commandessentials extends EssentialsCommand
 
 	private void run_reload(final CommandSender sender, final String[] args) throws Exception
 	{
-		ess.reload();
+		ess.onReload();
 		sender.sendMessage(_("essentialsReload", ess.getPlugin().getVersion()));
 	}
 }

Essentials/src/net/ess3/economy/MoneyHolder.java

@@ -1,7 +1,6 @@
 package net.ess3.economy;
 
 import java.io.File;
-import java.io.IOException;
 import net.ess3.api.IEssentials;
 import net.ess3.storage.AsyncStorageObjectHolder;
 
@@ -24,13 +23,7 @@ public class MoneyHolder extends AsyncStorageObjectHolder<Money>
 	
 	public MoneyHolder(IEssentials ess)
 	{
-		super(ess, Money.class);
+		super(ess, Money.class, new File(ess.getPlugin().getDataFolder(), "economy_npcs.yml"));
 		onReload();
 	}
-
-	@Override
-	public File getStorageFile() throws IOException
-	{
-		return new File(ess.getPlugin().getDataFolder(), "economy_npcs.yml");
-	}
 }

Essentials/src/net/ess3/economy/WorthHolder.java

@@ -26,7 +26,7 @@ public class WorthHolder extends AsyncStorageObjectHolder<net.ess3.economy.Worth
 
 	public WorthHolder(final IEssentials ess)
 	{
-		super(ess, net.ess3.economy.Worth.class);
+		super(ess, net.ess3.economy.Worth.class, new File(ess.getPlugin().getDataFolder(), "worth.yml"));
 		onReload(false);
 	}
 
@@ -72,10 +72,4 @@ public class WorthHolder extends AsyncStorageObjectHolder<net.ess3.economy.Worth
 		getData().setSellPrice(itemStack.getData(), price);
 		queueSave();
 	}
-
-	@Override
-	public File getStorageFile() throws IOException
-	{
-		return new File(ess.getPlugin().getDataFolder(), "worth.yml");
-	}
 }

Essentials/src/net/ess3/ranks/RanksStorage.java

@@ -30,16 +30,10 @@ public class RanksStorage extends AsyncStorageObjectHolder<Ranks> implements IRa
 
 	public RanksStorage(final IEssentials ess)
 	{
-		super(ess, Ranks.class);
+		super(ess, Ranks.class, new File(ess.getPlugin().getDataFolder(), "ranks.yml"));
 		onReload();
 	}
 
-	@Override
-	public File getStorageFile()
-	{
-		return new File(ess.getPlugin().getDataFolder(), "ranks.yml");
-	}
-
 	public Collection<Entry<String, RankOptions>> getGroups(final IUser player)
 	{
 		final Map<String, RankOptions> groups = getData().getRanks();

Essentials/src/net/ess3/settings/SettingsHolder.java

@@ -21,7 +21,7 @@ public class SettingsHolder extends AsyncStorageObjectHolder<Settings> implement
 
 	public SettingsHolder(final IEssentials ess)
 	{
-		super(ess, Settings.class);
+		super(ess, Settings.class, new File(ess.getPlugin().getDataFolder(), "settings.yml"));
 		onReload();
 	}
 
@@ -33,12 +33,6 @@ public class SettingsHolder extends AsyncStorageObjectHolder<Settings> implement
 		debug = getData().getGeneral().isDebug();
 	}
 
-	@Override
-	public File getStorageFile()
-	{
-		return new File(ess.getPlugin().getDataFolder(), "settings.yml");
-	}
-
 	@Override
 	public String getLocale()
 	{

Essentials/src/net/ess3/settings/SpawnsHolder.java

@@ -40,17 +40,11 @@ public class SpawnsHolder extends AsyncStorageObjectHolder<Spawns> implements IE
 
 	public SpawnsHolder(final IEssentials ess)
 	{
-		super(ess, Spawns.class);
+		super(ess, Spawns.class, new File(ess.getPlugin().getDataFolder(), "spawn.yml"));
 		onReload();
 		registerListeners();
 	}
 
-	@Override
-	public File getStorageFile()
-	{
-		return new File(ess.getPlugin().getDataFolder(), "spawn.yml");
-	}
-
 	public void setSpawn(final Location loc, final String group)
 	{
 		getData().addSpawn(group, loc);

Essentials/src/net/ess3/settings/WarpHolder.java

@@ -1,7 +1,5 @@
 package net.ess3.settings;
 
-import java.io.File;
-import java.io.IOException;
 import net.ess3.api.IEssentials;
 import net.ess3.api.IWarp;
 import net.ess3.api.InvalidNameException;
@@ -10,39 +8,21 @@ import net.ess3.storage.AsyncStorageObjectHolder;
 
 public class WarpHolder extends AsyncStorageObjectHolder<Warp> implements IWarp
 {
-
 	@Override
 	public void finishRead()
 	{
-		
 	}
 
 	@Override
 	public void finishWrite()
 	{
-		
 	}
-	
 	private final String name;
 
-	public WarpHolder(String name, IEssentials ess)
+	public WarpHolder(String name, IEssentials ess) throws InvalidNameException
 	{
-		super(ess, Warp.class);
+		super(ess, Warp.class, ess.getWarps().getWarpFile(name));
 		this.name = name;
 		onReload();
 	}
-
-	@Override
-	public File getStorageFile() throws IOException
-	{
-		try
-		{
-			return ess.getWarps().getWarpFile(name);
-		}
-		catch (InvalidNameException ex)
-		{
-			throw new IOException(ex.getMessage(), ex);
-		}
-	}
-	
 }

Essentials/src/net/ess3/storage/AbstractDelayedYamlFileReader.java

@@ -4,7 +4,6 @@ import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.FileReader;
 import java.io.IOException;
-import java.util.concurrent.locks.ReentrantLock;
 import java.util.logging.Level;
 import net.ess3.api.IEssentials;
 import org.bukkit.Bukkit;
@@ -12,10 +11,8 @@ import org.bukkit.Bukkit;
 
 public abstract class AbstractDelayedYamlFileReader<T extends StorageObject> implements Runnable
 {
-	
 	private final transient Class<T> clazz;
 	private final transient IEssentials ess;
-	private final transient ReentrantLock lock = new ReentrantLock();
 
 	public AbstractDelayedYamlFileReader(final IEssentials ess, final Class<T> clazz)
 	{
@@ -35,16 +32,14 @@ public abstract class AbstractDelayedYamlFileReader<T extends StorageObject> imp
 		}
 	}
 
-	public abstract File onStart() throws IOException;
+	public abstract File onStart();
 
 	@Override
 	public void run()
 	{
-		File file = null;
+		final File file = onStart();
-		lock.lock();
+		synchronized (file)
-		try
 		{
-			file = onStart();
 			try
 			{
 				final FileReader reader = new FileReader(file);
@@ -69,7 +64,7 @@ public abstract class AbstractDelayedYamlFileReader<T extends StorageObject> imp
 			catch (FileNotFoundException ex)
 			{
 				onException(ex);
-				Bukkit.getLogger().log(Level.INFO, "File not found: {0}", file.toString());
+				Bukkit.getLogger().log(Level.INFO, "File not found: " + file.toString());
 			}
 			catch (ObjectLoadException ex)
 			{
@@ -79,18 +74,6 @@ public abstract class AbstractDelayedYamlFileReader<T extends StorageObject> imp
 				Bukkit.getLogger().log(Level.SEVERE, "The file " + file.toString() + " is broken, it has been renamed to " + broken.toString(), ex.getCause());
 			}
 		}
-		catch (IOException ex)
-		{
-			onException(ex);
-			if (ess.getSettings() == null || ess.getSettings().isDebug())
-			{
-				Bukkit.getLogger().log(Level.INFO, "File not found: " + file.toString());
-			}
-		}
-		finally
-		{
-			lock.unlock();
-		}
 	}
 
 	public abstract void onSuccess(T object);

Essentials/src/net/ess3/storage/AbstractDelayedYamlFileWriter.java

@@ -2,7 +2,6 @@ package net.ess3.storage;
 
 import java.io.File;
 import java.io.FileNotFoundException;
-import java.io.IOException;
 import java.io.PrintWriter;
 import java.util.concurrent.locks.ReentrantLock;
 import java.util.logging.Level;
@@ -25,17 +24,16 @@ public abstract class AbstractDelayedYamlFileWriter implements Runnable
 		ess.getPlugin().scheduleAsyncDelayedTask(this);
 	}
 
-	public abstract File getFile() throws IOException;
+	public abstract File getFile();
 
 	public abstract StorageObject getObject();
 
 	@Override
 	public void run()
 	{
-		lock.lock();
+		final File file = getFile();
-		try
+		synchronized (file)
 		{
-			final File file = getFile();
 			PrintWriter pw = null;
 			try
 			{
@@ -61,14 +59,6 @@ public abstract class AbstractDelayedYamlFileWriter implements Runnable
 				}
 			}
 		}
-		catch (IOException ex)
-		{
-			Bukkit.getLogger().log(Level.SEVERE, ex.getMessage(), ex);
-		}
-		finally
-		{
-			lock.unlock();
-		}
 	}
 
 	public abstract void onFinish();

Essentials/src/net/ess3/storage/AsyncStorageObjectHolder.java

@@ -4,6 +4,8 @@ import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.locks.Lock;
+import java.util.concurrent.locks.ReentrantLock;
 import java.util.logging.Level;
 import net.ess3.api.IEssentials;
 import org.bukkit.Bukkit;
@@ -17,11 +19,14 @@ public abstract class AsyncStorageObjectHolder<T extends StorageObject> implemen
 	private final transient StorageObjectDataWriter writer;
 	private final transient StorageObjectDataReader reader;
 	private final transient AtomicBoolean loaded = new AtomicBoolean(false);
+	private volatile long savetime = 0;
+	private final transient File file;
 
-	public AsyncStorageObjectHolder(final IEssentials ess, final Class<T> clazz)
+	public AsyncStorageObjectHolder(final IEssentials ess, final Class<T> clazz, final File file)
 	{
 		this.ess = ess;
 		this.clazz = clazz;
+		this.file = file;
 		writer = new StorageObjectDataWriter();
 		reader = new StorageObjectDataReader();
 		try
@@ -53,9 +58,9 @@ public abstract class AsyncStorageObjectHolder<T extends StorageObject> implemen
 	@Override
 	public void queueSave()
 	{
-		writer.schedule();
+		ess.getStorageQueue().queue(this);
 	}
-	
+
 	@Override
 	public void onReload()
 	{
@@ -66,13 +71,42 @@ public abstract class AsyncStorageObjectHolder<T extends StorageObject> implemen
 	{
 		reader.schedule(instant);
 	}
-	
-	public abstract void finishRead();
-	
-	public abstract void finishWrite();
-	
-	public abstract File getStorageFile() throws IOException;
 
+	@Override
+	public String toString()
+	{
+		return file.getAbsolutePath();
+	}
+
+	public abstract void finishRead();
+
+	public abstract void finishWrite();
+
+	public StorageQueue.RequestState getRequestState(long timestamp)
+	{
+		if (savetime == 0 || savetime < timestamp || (timestamp < 0 && savetime > 0))
+		{
+			final long now = System.nanoTime();
+			if (Math.abs(now - savetime) < StorageQueue.DELAY)
+			{
+				return StorageQueue.RequestState.REQUEUE;
+			}
+			else
+			{
+				savetime = System.nanoTime();
+				return StorageQueue.RequestState.SCHEDULE;
+			}
+		}
+		else
+		{
+			return StorageQueue.RequestState.FINISHED;
+		}
+	}
+
+	Runnable getFileWriter()
+	{
+		return writer;
+	}
 
 	private class StorageObjectDataWriter extends AbstractDelayedYamlFileWriter
 	{
@@ -82,9 +116,9 @@ public abstract class AsyncStorageObjectHolder<T extends StorageObject> implemen
 		}
 
 		@Override
-		public File getFile() throws IOException
+		public File getFile()
 		{
-			return getStorageFile();
+			return file;
 		}
 
 		@Override
@@ -109,9 +143,9 @@ public abstract class AsyncStorageObjectHolder<T extends StorageObject> implemen
 		}
 
 		@Override
-		public File onStart() throws IOException
+		public File onStart()
 		{
-			return getStorageFile();
+			return file;
 		}
 
 		@Override
@@ -122,6 +156,7 @@ public abstract class AsyncStorageObjectHolder<T extends StorageObject> implemen
 				data = object;
 			}
 			loaded.set(true);
+			finishRead();
 		}
 
 		@Override

Essentials/src/net/ess3/storage/StorageQueue.java

@@ -0,0 +1,141 @@
+package net.ess3.storage;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.DelayQueue;
+import java.util.concurrent.Delayed;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import net.ess3.api.IPlugin;
+
+
+public class StorageQueue implements Runnable
+{
+	private DelayQueue<WriteRequest> queue = new DelayQueue<WriteRequest>();
+	public final static long DELAY = TimeUnit.NANOSECONDS.convert(1, TimeUnit.SECONDS);
+	private final AtomicBoolean enabled = new AtomicBoolean(false);
+	private final transient Object lock = new Object();
+	private final IPlugin plugin;
+
+	public StorageQueue(IPlugin plugin)
+	{
+		this.plugin = plugin;
+	}
+
+	@Override
+	public void run()
+	{
+		synchronized (lock)
+		{
+			List<WriteRequest> requests = new ArrayList<WriteRequest>();
+			while (enabled.get() || !queue.isEmpty())
+			{
+				try
+				{
+					queue.drainTo(requests);
+					for (WriteRequest request : requests)
+					{
+						RequestState state = request.getRequestState();
+						if (state == RequestState.REQUEUE)
+						{
+							queue.add(request);
+							continue;
+						}
+						if (state == RequestState.SCHEDULE)
+						{
+							plugin.scheduleAsyncDelayedTask(request.getRunnable());
+						}
+					}
+					requests.clear();
+					Thread.sleep(100);
+				}
+				catch (InterruptedException ex)
+				{
+					continue;
+				}
+			}
+		}
+	}
+
+	public void queue(AsyncStorageObjectHolder objectHolder)
+	{
+		if (!enabled.get())
+		{
+			plugin.getLogger().log(Level.SEVERE,
+								   "File " + objectHolder.toString() + " is queued for saving, while the queue is disabled. It's possible that it will not be saved!",
+								   new RuntimeException());
+		}
+		queue.add(new WriteRequest(objectHolder));
+	}
+
+	private void startThread()
+	{
+		synchronized (lock)
+		{
+			plugin.scheduleAsyncDelayedTask(this);
+		}
+	}
+
+	public void setEnabled(boolean enabled)
+	{
+		if (this.enabled.getAndSet(enabled) != enabled && enabled)
+		{
+			startThread();
+		}
+	}
+
+
+	private class WriteRequest implements Delayed
+	{
+		private final AsyncStorageObjectHolder objectHolder;
+		private final long timestamp;
+
+		public WriteRequest(AsyncStorageObjectHolder objectHolder)
+		{
+			this.objectHolder = objectHolder;
+			this.timestamp = System.nanoTime();
+		}
+
+		@Override
+		public long getDelay(final TimeUnit tu)
+		{
+			if (tu == TimeUnit.NANOSECONDS)
+			{
+				final long now = System.nanoTime();
+				return DELAY - Math.abs(now - timestamp);
+			}
+			else
+			{
+				return tu.convert(getDelay(TimeUnit.NANOSECONDS), TimeUnit.NANOSECONDS);
+			}
+		}
+
+		@Override
+		public int compareTo(final Delayed t)
+		{
+			final long a = getDelay(TimeUnit.NANOSECONDS);
+			final long b = t.getDelay(TimeUnit.NANOSECONDS);
+			return a < b ? -1 : a == b ? 0 : 1;
+		}
+
+		public RequestState getRequestState()
+		{
+			return objectHolder.getRequestState(timestamp);
+		}
+
+		public Runnable getRunnable()
+		{
+			return objectHolder.getFileWriter();
+		}
+	}
+
+
+	public enum RequestState
+	{
+		REQUEUE,
+		SCHEDULE,
+		FINISHED
+	}
+}

Essentials/src/net/ess3/user/User.java

@@ -54,7 +54,7 @@ public class User extends UserBase implements IUser
 	private AtomicBoolean gotMailInfo = new AtomicBoolean(false);
 	private WeakReference<Player> playerCache;
 
-	public User(final OfflinePlayer base, final IEssentials ess)
+	public User(final OfflinePlayer base, final IEssentials ess) throws InvalidNameException
 	{
 		super(base, ess);
 		teleport = new Teleport(this, ess);

Essentials/src/net/ess3/user/UserBase.java

@@ -29,9 +29,9 @@ public abstract class UserBase extends AsyncStorageObjectHolder<UserData> implem
 	@Delegate
 	protected final OfflinePlayer offlinePlayer;
 
-	public UserBase(final OfflinePlayer base, final IEssentials ess)
+	public UserBase(final OfflinePlayer base, final IEssentials ess) throws InvalidNameException
 	{
-		super(ess, UserData.class);
+		super(ess, UserData.class, ess.getUserMap().getUserFile(base.getName()));
 		this.offlinePlayer = base;
 		onReload();
 	}
@@ -160,19 +160,6 @@ public abstract class UserBase extends AsyncStorageObjectHolder<UserData> implem
 		throw new UnsupportedOperationException("Not supported yet.");
 	}
 
-	@Override
-	public File getStorageFile() throws IOException
-	{
-		try
-		{
-			return ess.getUserMap().getUserFile(getName());
-		}
-		catch (InvalidNameException ex)
-		{
-			throw new IOException(ex.getMessage(), ex);
-		}
-	}
-
 	public long getTimestamp(final UserData.TimestampType name)
 	{
 		return getData().getTimestamp(name);

Essentials/src/net/ess3/user/UserMap.java

@@ -90,12 +90,7 @@ public class UserMap extends StorageObjectMap<IUser> implements IUserMap
 	@Override
 	public IUser getUser(final Player player)
 	{
-		IUser user = getObject(player.getName());
+		return getObject(player.getName());
-		if (user == null)
-		{
-			user = new User(player, ess);
-		}
-		return user;
 	}
 
 	@Override

EssentialsAntiBuild/src/net/ess3/antibuild/AntiBuildHolder.java

@@ -1,7 +1,6 @@
 package net.ess3.antibuild;
 
 import java.io.File;
-import java.io.IOException;
 import net.ess3.api.IEssentials;
 import net.ess3.settings.antibuild.AntiBuild;
 import net.ess3.storage.AsyncStorageObjectHolder;
@@ -10,13 +9,7 @@ public class AntiBuildHolder extends AsyncStorageObjectHolder<AntiBuild>
 {
 	public AntiBuildHolder(final IEssentials ess)
 	{
-		super(ess, AntiBuild.class);
+		super(ess, AntiBuild.class, new File(ess.getPlugin().getDataFolder(), "protect.yml"));
-	}
-
-	@Override
-	public File getStorageFile() throws IOException
-	{
-		return new File(ess.getPlugin().getDataFolder(), "protect.yml");
 	}
 
 	@Override

EssentialsGeoIP/src/net/ess3/geoip/ConfigHolder.java

@@ -1,7 +1,6 @@
 package net.ess3.geoip;
 
 import java.io.File;
-import java.io.IOException;
 import net.ess3.api.IEssentials;
 import net.ess3.settings.geoip.GeoIP;
 import net.ess3.storage.AsyncStorageObjectHolder;
@@ -14,17 +13,11 @@ public class ConfigHolder extends AsyncStorageObjectHolder<GeoIP>
 	
 	public ConfigHolder(final IEssentials ess, final Plugin geoip)
 	{
-		super(ess, GeoIP.class);
+		super(ess, GeoIP.class, new File(geoip.getDataFolder(), "config.yml"));
 		this.geoip = geoip;
 		onReload(true);
 	}
 	
-	@Override
-	public File getStorageFile() throws IOException
-	{
-		return new File(geoip.getDataFolder(), "config.yml");
-	}
-	
 	@Override
 	public void finishRead()
 	{

EssentialsProtect/src/net/ess3/protect/ProtectHolder.java

@@ -1,7 +1,6 @@
 package net.ess3.protect;
 
 import java.io.File;
-import java.io.IOException;
 import net.ess3.api.IEssentials;
 import net.ess3.settings.protect.Protect;
 import net.ess3.storage.AsyncStorageObjectHolder;
@@ -11,13 +10,7 @@ public class ProtectHolder extends AsyncStorageObjectHolder<Protect>
 {
 	public ProtectHolder(final IEssentials ess)
 	{
-		super(ess, Protect.class);
+		super(ess, Protect.class, new File(ess.getPlugin().getDataFolder(), "protect.yml"));
-	}
-
-	@Override
-	public File getStorageFile() throws IOException
-	{
-		return new File(ess.getPlugin().getDataFolder(), "protect.yml");
 	}
 
 	@Override

EssentialsSigns/src/net/ess3/signs/SignsConfigHolder.java

@@ -1,7 +1,6 @@
 package net.ess3.signs;
 
 import java.io.File;
-import java.io.IOException;
 import java.util.*;
 import net.ess3.api.IEssentials;
 import net.ess3.storage.AsyncStorageObjectHolder;
@@ -16,7 +15,7 @@ public class SignsConfigHolder extends AsyncStorageObjectHolder<SignsConfig>
 
 	public SignsConfigHolder(final IEssentials ess, final Plugin plugin)
 	{
-		super(ess, SignsConfig.class);
+		super(ess, SignsConfig.class, new File(plugin.getDataFolder(), "config.yml"));
 		this.plugin = plugin;
 		onReload();
 		final Map<String, Boolean> signs = getData().getSigns();
@@ -44,12 +43,6 @@ public class SignsConfigHolder extends AsyncStorageObjectHolder<SignsConfig>
 		queueSave();
 	}
 
-	@Override
-	public File getStorageFile() throws IOException
-	{
-		return new File(plugin.getDataFolder(), "config.yml");
-	}
-
 	public Set<EssentialsSign> getEnabledSigns()
 	{
 		return enabledSigns;