Élimination des multiples de l'ajout dans la liste des utilisateurs.

@@ -62,8 +62,12 @@ public class ProcessingRunner  implements ApplicationRunner {
         try {
             in = new FileReader(dataDir+sampleFilename);
             Iterable<CSVRecord> records = CSVFormat.TDF.withFirstRecordAsHeader().parse(in);
+            Long tmpLong;
             for (CSVRecord record : records) {
-                userIds.add(Long.parseLong(record.get("userId")));
+                tmpLong = Long.parseLong(record.get("userId"));
+                if (! userIds.contains(tmpLong)) {
+                    userIds.add(tmpLong);
+                }
             }
         } catch (FileNotFoundException e) {
             throw new ProcessingException("sample file not found " + dataDir + sampleFilename, e);
@@ -71,6 +75,7 @@ public class ProcessingRunner  implements ApplicationRunner {
             throw new ProcessingException("Can't read user ids from sample file " + dataDir + sampleFilename, e);
         }
 
+        logger.trace("Nombre d'utilisateurs : {}", userIds.size());
         return userIds;
     }