Don't call Grid cache updates if the grid is empty.

2014-05-20 09:37:53 -05:00
parent 2cf84989d1
commit 7a3f2dcf5a
1 changed files with 6 additions and 2 deletions
@@ -199,9 +199,13 @@ public class Grid implements IGrid

 	public void update()
 	{
-		for (IGridCache gc : caches.values())
+		// are ther any nodes left?
+		if ( pivot != null )
 		{
-			gc.onUpdateTick();
+			for (IGridCache gc : caches.values())
+			{
+				gc.onUpdateTick();
+			}
 		}
 	}