Updated file importer interface and fixed Spreadsheet import

[simantics/platform.git] / bundles / org.simantics.spreadsheet.graph / src / org / simantics / spreadsheet / graph / SheetNode.java

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 c92807a458bf53b9c18adc061725287f563b9ddf..d2ec679b7f8054cc7558abc8f48bae6afca08d31 100644 (file)
--- 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();