Merge branch '63-listsets-is-not-delivering-all-sets' into 'develop'

fix: add EVEN MORE logging

Closes #63

See merge request dariah-de/dariah-de-oai-pmh-services!26

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

@@ -98,6 +98,36 @@ public class SetListDeliverer {
       log.info("repositoryObjectURIPrefix: " + this.repositoryObjectURIPrefix);
       log.info("specFieldPrefix:           " + this.specFieldPrefix);
 
+
+      // --------------------- OLD
+      Script OLDmergeCollectionIDAndTitle = new Script(
+          "doc['administrativeMetadata.dcterms:identifier'].value + '" + DH_FIELD_DIVIDER
+              + "' + doc['descriptiveMetadata.dc:title'].value");
+
+      // Do filter all collections (via descriptiveMetadata.dc:format) AND get out all the child
+      // objects and collections (NO descriptiveMetadata.dc:relation), so we get exactly one set per
+      // root collection only!
+      AggregationBuilder OLDcollectionFilter = AggregationBuilders.filter(DH_COLLECTION_FILTER_NAME,
+          QueryBuilders.boolQuery()
+              .mustNot(QueryBuilders.existsQuery("descriptiveMetadata.dc:relation"))
+              .must(QueryBuilders.matchPhraseQuery("descriptiveMetadata.dc:format",
+                  TextGridMimetypes.DARIAH_COLLECTION)));
+
+      log.info(
+          "OLDcollectionFilter metadasta keyset: " + OLDcollectionFilter.getMetaData().keySet());
+      log.info("OLDcollectionFilter metadasta entryset: "
+          + OLDcollectionFilter.getMetaData().entrySet());
+
+      AggregationBuilder OLDcollectionFilterTerm = AggregationBuilders
+          .terms(DH_COLLECTION_FILTER_TERM_NAME).script(OLDmergeCollectionIDAndTitle).size(DH_SIZE);
+
+      log.info("OLDcollectionFilterTerm metadasta keyset: "
+          + OLDcollectionFilterTerm.getMetaData().keySet());
+      log.info("OLDcollectionFilterTerm metadasta entryset: "
+          + OLDcollectionFilterTerm.getMetaData().entrySet());
+      // --------------------- OLD
+
+
       Script mergeCollectionIDAndTitle = new Script("doc['" + this.identifierField + "'].value + '"
           + DH_FIELD_DIVIDER + "' + doc['descriptiveMetadata.dc:title'].value");