[CST-3146] minor fixes to keep division decimal value and to copy putCodes list

Author: francescopioscognamiglio

dspace-cris/api/src/main/java/org/dspace/app/cris/integration/orcid/OrcidOnlineDataLoader.java

@@ -142,7 +142,7 @@ public List<Record> getByIdentifier(Context context,
                                     {
 
                                         if (putCodes.size() == MAX_BULK_WORK) {
-                                            DTOBulkPutCode bulkObject = new DTOBulkPutCode(orcid, putCodes, profile);                                            
+                                            DTOBulkPutCode bulkObject = new DTOBulkPutCode(orcid, putCodes, profile);
                                             bulkCallList.add(bulkObject);
                                             putCodes.clear();
                                         }
@@ -166,7 +166,7 @@ public List<Record> getByIdentifier(Context context,
 
 
         if(bulkCallList!=null && !bulkCallList.isEmpty()) {
-            Double res = Math.ceil(bulkCallList.size() / getNumberOfThread());
+            Double res = Math.ceil((double)bulkCallList.size() / getNumberOfThread());
             Integer maxBulkCallForThread = res.intValue();
 
             List<List<DTOBulkPutCode>> bulkCallListPartitioned = ListUtils.partition(bulkCallList, maxBulkCallForThread);
@@ -459,7 +459,7 @@ public DTOBulkPutCode(String orcid, List<String> putCodes,
                 PersonalDetails profile)
         {
             this.orcid = orcid;
-            this.putCode = putCodes;
+            this.putCode = new ArrayList<>(putCodes);
             this.profile = profile;
         }