X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.spreadsheet.graph%2Fsrc%2Forg%2Fsimantics%2Fspreadsheet%2Fgraph%2FSheetNode.java;h=d2ec679b7f8054cc7558abc8f48bae6afca08d31;hp=c92807a458bf53b9c18adc061725287f563b9ddf;hb=664f37a026967c90a9a8a4ef3c5336ee426f67aa;hpb=5915c1bbd6d0c6125aa3c815c7843339190f28e4

diff --git a/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/SheetNode.java b/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/SheetNode.java
index c92807a45..d2ec679b7 100644
--- a/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/SheetNode.java
+++ b/bundles/org.simantics.spreadsheet.graph/src/org/simantics/spreadsheet/graph/SheetNode.java
@@ -1,8 +1,9 @@
 package org.simantics.spreadsheet.graph;
 
+import java.io.Serializable;
 import java.util.Map;
 
-public interface SheetNode<Child extends SheetNode<?, ?>, Property extends SheetNode<?, ?>> {
+public interface SheetNode<Child extends SheetNode<?, ?>, Property extends SheetNode<?, ?>> extends Serializable {
 
 	String getName();
 	Map<String, Child> getChildren();