[BI-2187] call GermplasmProcessor::createPostOrder for commit and NOT…

… commit

src/main/java/org/breedinginsight/brapps/importer/services/processors/GermplasmProcessor.java

@@ -326,10 +326,9 @@ public Map<String, ImportPreviewStatistics> process(ImportUpload upload, List<Br
         // Construct pedigree
         constructPedigreeString(importRows, mappedBrAPIImport, commit);
 
-        // Construct a dependency tree for POSTing order. Dependents on unique germplasm name, (<Name> [<Program Key> - <Accession Number>])
-        if (commit) {
-            createPostOrder();
-        }
+        // for commit:  Construct a dependency tree for POSTing order. Dependents on unique germplasm name, (<Name> [<Program Key> - <Accession Number>])
+        // for !commit: Validate for circular pedigree dependencies.
+        createPostOrder();
 
         // Construct our response object
         return getStatisticsMap(importRows);
@@ -556,6 +555,9 @@ private void validatePedigree(Germplasm germplasm, Integer rowNumber, Validation
         }
     }
 
+    /*
+    This will set the postOrder and validate for circular pedigree dependencies.
+     */
     private void createPostOrder() {
         // Construct a dependency tree for POSTing order
         Set<String> created = existingGermplasm.stream().map(BrAPIGermplasm::getGermplasmName).collect(Collectors.toSet());