Resolve "Lossy conversion"

Closes #10 (closed)

robert-server-database/src/main/java/fr/gouv/stopc/robertserver/database/model/HelloMessageDetail.java

@@ -14,10 +14,18 @@ import lombok.ToString;
 @Builder
 public class HelloMessageDetail {
 
+    /**
+     * WARNING: Since Java does not support unsigned int, we are obligated to store the value coming from the JSON representation
+     * as a Long even though it should be used as an unsigned int.
+     */
     @NotNull
     @ToString.Exclude
     private Long timeCollectedOnDevice;
 
+    /**
+     * WARNING: Since Java does not support unsigned short, we are obligated to store the value coming from the JSON
+     * representation as an Integer even though it should be used as an unsigned short.
+     */
     @NotNull
     @ToString.Exclude
     private Integer timeFromHelloMessage;