Index: zTryout/ARC/TECH/Persistentie/GlobalNode.cls.xml
===================================================================
diff -u -r1206 -r1214
--- zTryout/ARC/TECH/Persistentie/GlobalNode.cls.xml	(.../GlobalNode.cls.xml)	(revision 1206)
+++ zTryout/ARC/TECH/Persistentie/GlobalNode.cls.xml	(.../GlobalNode.cls.xml)	(revision 1214)
@@ -126,6 +126,28 @@
 ]]></Implementation>
 </Method>
 
+<Method name="IsLeeg">
+<ReturnType>%Boolean</ReturnType>
+<Implementation><![CDATA[	Quit ('..IsDirty() && '..IsInDatabase())
+]]></Implementation>
+</Method>
+
+<Method name="IsDirty">
+<CodeMode>expression</CodeMode>
+<Private>1</Private>
+<ReturnType>%Boolean</ReturnType>
+<Implementation><![CDATA[("" '= ..DirtyPieces.Next(""))
+]]></Implementation>
+</Method>
+
+<Method name="IsInDatabase">
+<CodeMode>expression</CodeMode>
+<Private>1</Private>
+<ReturnType>%Boolean</ReturnType>
+<Implementation><![CDATA[(..Persistent && (($Data(@..NodeKey) = 1) || ($Data(@..NodeKey) = 11)))
+]]></Implementation>
+</Method>
+
 <Method name="ZetPersistenteLokatie">
 <Description>
 Deze method mag alleen opgeroepen worden door de GlobalPersistenceMgr.