- /**
- * Returns a fingerprint of this Sone. The fingerprint only depends on data
- * that is actually stored when a Sone is inserted. The fingerprint can be
- * used to detect changes in Sone data and can also be used to detect if
- * previous changes are reverted.
- *
- * @return The fingerprint of this Sone
- */
- public synchronized String getFingerprint() {
- StringBuilder fingerprint = new StringBuilder();
- fingerprint.append("Profile(");
- if (profile.getFirstName() != null) {
- fingerprint.append("FirstName(").append(profile.getFirstName()).append(')');
- }
- if (profile.getMiddleName() != null) {
- fingerprint.append("MiddleName(").append(profile.getMiddleName()).append(')');
- }
- if (profile.getLastName() != null) {
- fingerprint.append("LastName(").append(profile.getLastName()).append(')');
- }
- if (profile.getBirthDay() != null) {
- fingerprint.append("BirthDay(").append(profile.getBirthDay()).append(')');
- }
- if (profile.getBirthMonth() != null) {
- fingerprint.append("BirthMonth(").append(profile.getBirthMonth()).append(')');
- }
- if (profile.getBirthYear() != null) {
- fingerprint.append("BirthYear(").append(profile.getBirthYear()).append(')');
- }
- fingerprint.append(")");
-
- fingerprint.append("Posts(");
- for (Post post : getPosts()) {
- fingerprint.append("Post(").append(post.getId()).append(')');
- }
- fingerprint.append(")");
-
- List<Reply> replies = new ArrayList<Reply>(getReplies());
- Collections.sort(replies, Reply.TIME_COMPARATOR);
- fingerprint.append("Replies(");
- for (Reply reply : replies) {
- fingerprint.append("Reply(").append(reply.getId()).append(')');
- }
- fingerprint.append(')');
-
- List<String> likedPostIds = new ArrayList<String>(getLikedPostIds());
- Collections.sort(likedPostIds);
- fingerprint.append("LikedPosts(");
- for (String likedPostId : likedPostIds) {
- fingerprint.append("Post(").append(likedPostId).append(')');
- }
- fingerprint.append(')');