-public interface PhotoEntry extends Comparable<PhotoEntry> {
-
- /**
- * Photo entry id.
- * @return Id of the entry.
- */
- String getId();
-
- /**
- * Gets the path of the given photo with respect to the
- * root album. The path will start with a "/".
- */
- String getPath();
+public interface PhotoEntry extends Comparable<PhotoEntry>, Serializable {
+
+ /**
+ * Photo entry id.
+ *
+ * @return Id of the entry.
+ */
+ String getId();
+
+ /**
+ * Gets the path of the given photo with respect to the root album. The path
+ * will start with a "/".
+ */
+ String getPath();