\r
package org.argeo.slc.core.structure;\r
\r
+import java.io.Serializable;\r
import java.util.Map;\r
import java.util.TreeMap;\r
\r
* \r
* @see TreeSPath\r
*/\r
-public class SimpleSElement implements StructureElement {\r
+public class SimpleSElement implements StructureElement, Serializable {\r
+ private static final long serialVersionUID = -7012193125005818900L;\r
/** For ORM */\r
private Long tid;\r
private String label;\r