create common superclass of ResultNode and StateNode

[sbp.git] / src / edu / berkeley / sbp / StateNode.java

diff --git a/src/edu/berkeley/sbp/StateNode.java b/src/edu/berkeley/sbp/StateNode.java
index 321334d..35f727d 100644 (file)
--- a/src/edu/berkeley/sbp/StateNode.java
+++ b/src/edu/berkeley/sbp/StateNode.java
@@ -12,6 +12,7 @@ import java.lang.reflect.*;
 
 /** a node in the GSS */
 final class StateNode
+    extends Node
     implements Invokable<Pos, ResultNode, Object>,
                IntegerMappable,
                GraphViz.ToGraphViz,