+ /**
+ * Add a new {@link Data} in this {@link Contact}.
+ *
+ * @param data
+ * the new data
+ */
+ public void add(Data data) {
+ data.setParent(this);
+ data.setDirty();
+ datas.add(data);
+ }
+
+ /**
+ * Remove the given {@link Data} from its this {@link Contact} if it is in.
+ *
+ * @return TRUE in case of success
+ */
+ public boolean remove(Data data) {
+ if (datas.remove(data)) {
+ setDirty();
+ return true;
+ }
+
+ return false;
+ }
+