minor FullDataMetaFile write future fix

core/src/main/java/com/seibel/lod/core/file/fullDatafile/FullDataFileHandler.java

@@ -31,7 +31,8 @@ public class FullDataFileHandler implements IFullDataSourceProvider
 {
     // Note: Single main thread only for now. May make it multi-thread later, depending on the usage.
     private static final Logger LOGGER = DhLoggerBuilder.getLogger();
-    final ExecutorService fileReaderThread = ThreadUtil.makeThreadPool(4, FullDataFileHandler.class.getSimpleName()+"Thread");
+    
+	final ExecutorService fileReaderThread = ThreadUtil.makeThreadPool(4, FullDataFileHandler.class.getSimpleName()+"Thread");
     final ConcurrentHashMap<DhSectionPos, FullDataMetaFile> files = new ConcurrentHashMap<>();
     final IDhLevel level;
     final File saveDir;
@@ -48,9 +49,9 @@ public class FullDataFileHandler implements IFullDataSourceProvider
 	
 	
 	
-    /*
+    /**
     * Caller must ensure that this method is called only once,
-    *  and that this object is not used before this method is called.
+    *  and that the {@link FullDataFileHandler} is not used before this method is called.
      */
     @Override
     public void addScannedFile(Collection<File> detectedFiles)
@@ -240,7 +241,6 @@ public class FullDataFileHandler implements IFullDataSourceProvider
 	
 	/**
 	 * Returns the {@link IFullDataSource} for the given section position. <Br>
-	 * If the section hasn't been generated this will also send a generation call, which may take a while. <Br>
 	 * The returned data source may be null. <Br> <Br>
 	 * 
 	 * This call is concurrent. I.e. it supports being called by multiple threads at the same time.
@@ -402,9 +402,9 @@ public class FullDataFileHandler implements IFullDataSourceProvider
                                           Consumer<IFullDataSource> onUpdated, Function<IFullDataSource, Boolean> updater)
 	{
         boolean changed = updater.apply(source);
-//        if (changed)
+//		if (changed)
 //		{
-//			metaData.dataVersion.incrementAndGet();
+//		  metaData.dataVersion.incrementAndGet();
 //		}
 		
         if (source instanceof IIncompleteFullDataSource)

core/src/main/java/com/seibel/lod/core/file/fullDatafile/FullDataMetaFile.java

@@ -143,10 +143,10 @@ public class FullDataMetaFile extends AbstractMetaDataContainerFile
 	{
 		debugPhantomLifeCycleCheck();
 		
-		CompletableFuture<IFullDataSource> cached = this.getCachedDataSourceAsync();
-		if (cached != null)
+		CompletableFuture<IFullDataSource> getCachedFuture = this.getCachedDataSourceAsync();
+		if (getCachedFuture != null)
 		{
-			return cached;
+			return getCachedFuture;
 		}
 		
 		
@@ -346,6 +346,7 @@ public class FullDataMetaFile extends AbstractMetaDataContainerFile
 								new DataObjTracker(fullDataSource);
 								this.cachedFullDataSource = new SoftReference<>(fullDataSource);
 							}
+							this.dataSourceWriteQueueFuture = null;
 							
 							this.inCacheWriteAccessFuture.set(null);
 							return fullDataSource;
@@ -356,6 +357,7 @@ public class FullDataMetaFile extends AbstractMetaDataContainerFile
 		}
 		
 		
+		
 		// the data source hasn't been loaded 
 		// and isn't in the process of being loaded
 		return null;