Issue #772 - add code comments

Signed-off-by: Mike Schroeder <mschroed@us.ibm.com>
LinuxForHealth · Aug 20, 2021 · cea252f · cea252f
1 parent 22ca076
commit cea252f
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/fhir-server/src/main/java/com/ibm/fhir/server/util/FHIRRestHelper.java b/fhir-server/src/main/java/com/ibm/fhir/server/util/FHIRRestHelper.java
@@ -2654,6 +2654,9 @@ Bundle createSearchBundle(List<Resource> resources, FHIRSearchContext searchCont
             List<QueryParameter> chainedSearchParameters = new ArrayList<>();
             List<QueryParameter> logicalIdReferenceSearchParameters = new ArrayList<>();
             for (QueryParameter queryParameter : searchContext.getSearchParameters()) {
+                // We do not need to look at canonical references here. They will not contain versions of the
+                // form '.../_history/xx' nor logical ID-only references, which is what we want to check
+                // these search parameters for.
                 if (!queryParameter.isReverseChained() && !queryParameter.isCanonical()) {
                     if (queryParameter.isChained()) {
                         chainedSearchParameters.add(queryParameter);