Fixed #391 - NodeGrid concurrent modification

2014-03-07 21:58:36 -08:00 · 2014-03-07 21:58:36 -08:00 · 2771f34350
commit 2771f34350
parent 53f833b094
1 changed files with 6 additions and 2 deletions
--- a/src/main/java/resonantinduction/core/grid/NodeGrid.java
+++ b/src/main/java/resonantinduction/core/grid/NodeGrid.java
@ -26,10 +26,14 @@ public abstract class NodeGrid<N extends Node> extends Grid<N>
 			if (isValidNode(connection) && connection instanceof Node)
 			{
 				Node connectedNode = (Node) connection;
-				
+
 				if (connectedNode.getGrid() != this)
 				{
-					connectedNode.getGrid().getNodes().clear();
+					synchronized (connectedNode.getGrid().getNodes())
+					{
+						connectedNode.getGrid().getNodes().clear();
+					}
+					
 					add((N) connectedNode);
 					reconstructNode((N) connectedNode);
 				}