reworked OrganizationAffiliation allow-list generation

Only first endpoint now selected for bundle (only one endpoint allowed
by dsf).
Endpoint identifier now part of the conditional update url in the
allow-list bundle.

Author: hhund

src/main/java/dev/dsf/bpe/service/UpdateAllowList.java

@@ -212,14 +212,18 @@ private BundleEntryComponent toOrganizationAffiliationEntry(OrganizationAffiliat
 		else
 			throw new IllegalStateException("OrganizationAffiliation with participating organization expected");
 
+		String endpointIdentifier;
 		if (affiliation.hasEndpoint())
 		{
-			List<Reference> endpoints = affiliation.getEndpoint().stream()
-					.map(e -> tempIdsByTypeAndId.get(e.getReference()))
-					.map(tempId -> new Reference().setType("Endpoint").setReference(tempId))
-					.collect(Collectors.toList());
-			affiliation.setEndpoint(endpoints);
+			String ref = affiliation.getEndpointFirstRep().getReference();
+			endpointIdentifier = identifierByTypeAndId.get(ref);
+			String endpointTempId = tempIdsByTypeAndId.get(ref);
+
+			affiliation.setEndpoint(
+					Collections.singletonList(new Reference().setType("Endpoint").setReference(endpointTempId)));
 		}
+		else
+			throw new IllegalStateException("OrganizationAffiliation with endpoint expected");
 
 		BundleEntryComponent entry = new BundleEntryComponent();
 		entry.setFullUrl(uuid);
@@ -228,7 +232,8 @@ private BundleEntryComponent toOrganizationAffiliationEntry(OrganizationAffiliat
 				.setUrl("OrganizationAffiliation?primary-organization:identifier="
 						+ NamingSystems.OrganizationIdentifier.SID + "|" + primaryOrganizatioIdentifier
 						+ "&participating-organization:identifier=" + NamingSystems.OrganizationIdentifier.SID + "|"
-						+ participatingOrganizationIdentifier);
+						+ participatingOrganizationIdentifier + "&endpoint:identifier="
+						+ NamingSystems.EndpointIdentifier.SID + "|" + endpointIdentifier);
 		return entry;
 	}
 }