Adding in a sync-log. This makes it easier to find colls that sync to much

src/com/massivecraft/mcore/InternalListener.java

@@ -263,7 +263,7 @@ public class InternalListener implements Listener
 	public void syncAllForPlayer(Player player)
 	{
 		String playerName = player.getName();
-		for (Coll<?> coll : Coll.instances)
+		for (Coll<?> coll : Coll.getInstances())
 		{
 			if (!(coll instanceof SenderColl)) continue;
 			SenderColl<?> pcoll = (SenderColl<?>)coll;

src/com/massivecraft/mcore/MCore.java

@@ -103,7 +103,7 @@ public class MCore extends MPlugin
 	{
 		public void run()
 		{
-			for (Coll<?> coll : Coll.instances)
+			for (Coll<?> coll : Coll.getInstances())
 			{
 				coll.onTick();
 			}
@@ -119,7 +119,9 @@ public class MCore extends MPlugin
 	{
 		// This is safe since all plugins using Persist should bukkit-depend this plugin.
 		// Note this one must be before preEnable. dooh.
-		Coll.instances.clear();
+		// TODO: Create something like "deinit all" (perhaps a forloop) to readd this.
+		// TODO: Test and ensure reload compat.
+		// Coll.instances.clear();
 		
 		// Start the examine thread
 		ExamineThread.get().start();

src/com/massivecraft/mcore/MPlugin.java

@@ -53,11 +53,10 @@ public abstract class MPlugin extends JavaPlugin implements Listener
 	public void onDisable()
 	{
 		// Collection shutdowns.
-		for (Coll<?> coll : Coll.instances)
+		for (Coll<?> coll : Coll.getInstances())
 		{
 			if (coll.getPlugin() != this) continue;
-			coll.syncAll(); // TODO: Save outwards only? We may want to avoid loads at this stage...
-			Coll.instances.remove(coll);
+			coll.deinit();
 		}
 		
 		log("Disabled");

src/com/massivecraft/mcore/mcorecmd/CmdMCoreMStoreListcolls.java

@@ -49,7 +49,7 @@ public class CmdMCoreMStoreListcolls extends MCoreCommand
 			
 			Coll<?> coll = null;
 			
-			for (Coll<?> collCandidate : Coll.instances)
+			for (Coll<?> collCandidate : Coll.getInstances())
 			{
 				if (!collCandidate.getName().equals(collname)) continue;
 				if (collCandidate.getDb() != db) continue;

src/com/massivecraft/mcore/mcorecmd/CmdMCoreMStoreStats.java

@@ -4,6 +4,7 @@ import java.util.List;
 
 import com.massivecraft.mcore.MCorePerm;
 import com.massivecraft.mcore.cmd.req.ReqHasPerm;
+import com.massivecraft.mcore.store.Coll;
 import com.massivecraft.mcore.store.ExamineThread;
 import com.massivecraft.mcore.util.Txt;
 
@@ -21,6 +22,13 @@ public class CmdMCoreMStoreStats extends MCoreCommand
 	{
 		msg(Txt.titleize("MStore Statistics"));
 		msg("<k>Last Examine Duration: <v>%d<i>ms", ExamineThread.get().getLastDurationMillis());
+		msg("<a>== <k>Coll <a>| <k>Sync Count In <a>| <k>Sync Count Out <a>==");
+		for (String name : Coll.getNames())
+		{
+			long in = Coll.getSyncCount(name, true);
+			long out = Coll.getSyncCount(name, false);
+			msg("<v>%s <a>| <v>%d <a>| <v>%d", name, in, out);
+		}
 	}
 	
 }

src/com/massivecraft/mcore/store/Coll.java

@@ -8,6 +8,8 @@ import java.util.List;
 import java.util.Map;
 import java.util.Map.Entry;
 import java.util.Set;
+import java.util.TreeMap;
+import java.util.TreeSet;
 import java.util.concurrent.ConcurrentSkipListMap;
 import java.util.concurrent.ConcurrentSkipListSet;
 import java.util.concurrent.CopyOnWriteArrayList;
@@ -16,6 +18,7 @@ import org.bukkit.plugin.Plugin;
 
 import com.massivecraft.mcore.MCore;
 import com.massivecraft.mcore.MPlugin;
+import com.massivecraft.mcore.NaturalOrderComparator;
 import com.massivecraft.mcore.Predictate;
 import com.massivecraft.mcore.store.accessor.Accessor;
 import com.massivecraft.mcore.xlib.gson.Gson;
@@ -27,7 +30,31 @@ public class Coll<E> implements CollInterface<E>
 	// GLOBAL REGISTRY
 	// -------------------------------------------- //
 	
-	public static List<Coll<?>> instances = new CopyOnWriteArrayList<Coll<?>>(); 
+	// All instances registered here are considered inited.
+	private static List<Coll<?>> instances = new CopyOnWriteArrayList<Coll<?>>();
+	public static List<Coll<?>> getInstances() { return instances; }
+	
+	private static TreeSet<String> names = new TreeSet<String>(NaturalOrderComparator.get());
+	public static TreeSet<String> getNames() { return names; }
+	
+	// Log database syncronization for display in the "/mcore mstore stats" command.
+	private static Map<String, Long> name2out = new TreeMap<String, Long>(String.CASE_INSENSITIVE_ORDER);
+	private static Map<String, Long> name2in = new TreeMap<String, Long>(String.CASE_INSENSITIVE_ORDER);
+	
+	public static long getSyncCount(String name, boolean in)
+	{
+		Long count = (in ? name2in.get(name) : name2out.get(name));
+		if (count == null) return 0;
+		return count;
+	}
+	
+	public static void addSyncCount(String name, boolean in)
+	{
+		long count = getSyncCount(name, in);
+		count++;
+		Map<String, Long> map = (in ? name2in : name2out);
+		map.put(name, count);
+	}
 	
 	// -------------------------------------------- //
 	// WHAT DO WE HANDLE?
@@ -516,16 +543,20 @@ public class Coll<E> implements CollInterface<E>
 			case LOCAL_ALTER:
 			case LOCAL_ATTACH:
 				 this.saveToRemote(id);
+				 if (this.inited()) addSyncCount(this.getName(), false);
 			break;
 			case LOCAL_DETACH:
 				this.removeAtRemote(id);
+				if (this.inited()) addSyncCount(this.getName(), false);
 			break;
 			case REMOTE_ALTER:
 			case REMOTE_ATTACH:
 				this.loadFromRemote(id);
+				if (this.inited()) addSyncCount(this.getName(), true);
 			break;
 			case REMOTE_DETACH:
 				this.removeAtLocal(id);
+				if (this.inited()) addSyncCount(this.getName(), true);
 			break;
 			default:
 				this.clearIdentifiedChanges(id);
@@ -657,8 +688,20 @@ public class Coll<E> implements CollInterface<E>
 	public void init()
 	{
 		if (this.inited()) return;
+		// TODO: Could this be more efficient by considering it's the first sync?
 		this.syncAll();
 		instances.add(this);
+		names.add(this.getName());
+	}
+	
+	@Override
+	public void deinit()
+	{
+		if (!this.inited()) return;
+		// TODO: Save outwards only? We may want to avoid loads at this stage...
+		this.syncAll();
+		instances.remove(this);
+		names.remove(this.getName());
 	}
 	
 	@Override

src/com/massivecraft/mcore/store/CollInterface.java

@@ -141,6 +141,7 @@ public interface CollInterface<E>
 	// -------------------------------------------- //
 	
 	public void init();
+	public void deinit();
 	public boolean inited();
 	
 	

src/com/massivecraft/mcore/store/ExamineThread.java

@@ -41,7 +41,7 @@ public class ExamineThread extends Thread
 			try
 			{
 				long before = System.currentTimeMillis();
-				for (Coll<?> coll: Coll.instances)
+				for (Coll<?> coll : Coll.getInstances())
 				{
 					coll.findSuspects();
 				}

src/com/massivecraft/mcore/store/SenderColl.java

@@ -123,7 +123,7 @@ public class SenderColl<E extends SenderEntity<E>> extends Coll<E> implements Se
 	
 	public static void setSenderRefferences(String senderId, CommandSender sender)
 	{
-		for (Coll<?> coll : Coll.instances)
+		for (Coll<?> coll : Coll.getInstances())
 		{
 			if (!(coll instanceof SenderColl)) continue;
 			SenderColl<?> senderColl = (SenderColl<?>)coll;