IDIOM_METS_MODS: Correct setting of resupmtionToken

oaipmh-core/src/main/java/info/textgrid/middleware/IdentifierListDelivererIDIOM.java

@@ -83,7 +83,7 @@ public class IdentifierListDelivererIDIOM extends IdentifierListDelivererAbstrac
     searchSourceBuilder.size(30);
     searchRequest.source(searchSourceBuilder);
 
-    if (resumptionToken == null) {
+    if (resumptionToken != null) {
 
       SearchScrollRequest scrollRequest = new SearchScrollRequest(resumptionToken);
       scrollRequest.scroll(TimeValue.timeValueHours(24L));

oaipmh-core/src/main/java/info/textgrid/middleware/RecordListDelivererIDIOM.java

@@ -97,7 +97,7 @@ public class RecordListDelivererIDIOM extends RecordListDelivererAbstract {
     searchRequest.source(searchSourceBuilder);
 
 
-    if (resumptionToken == null) {
+    if (resumptionToken != null) {
 
       SearchScrollRequest scrollRequest = new SearchScrollRequest(resumptionToken);
       scrollRequest.scroll(TimeValue.timeValueHours(24L));