+ * @param postId
+ * The ID of the post
+ * @return {@code true} if this Sone likes the given post, {@code false}
+ * otherwise
+ */
+ public boolean isLikedPostId(String postId) {
+ return likedPostIds.contains(postId);
+ }
+
+ /**
+ * Adds the given post ID to the list of posts this Sone likes.
+ *
+ * @param postId
+ * The ID of the post
+ * @return This Sone (for method chaining)
+ */
+ public synchronized Sone addLikedPostId(String postId) {
+ likedPostIds.add(postId);
+ return this;
+ }
+
+ /**
+ * Removes the given post ID from the list of posts this Sone likes.
+ *
+ * @param postId
+ * The ID of the post
+ * @return This Sone (for method chaining)
+ */
+ public synchronized Sone removeLikedPostId(String postId) {
+ likedPostIds.remove(postId);
+ return this;
+ }
+
+ /**
+ * Returns the IDs of all liked replies.
+ *
+ * @return All liked replies’ IDs
+ */
+ public Set<String> getLikedReplyIds() {
+ return Collections.unmodifiableSet(likedReplyIds);
+ }
+
+ /**
+ * Sets the IDs of all liked replies.
+ *
+ * @param likedReplyIds
+ * All liked replies’ IDs
+ * @return This Sone (for method chaining)
+ */
+ public synchronized Sone setLikeReplyIds(Set<String> likedReplyIds) {
+ this.likedReplyIds.clear();
+ this.likedReplyIds.addAll(likedReplyIds);
+ return this;
+ }
+
+ /**
+ * Checks whether the given reply ID is liked by this Sone.
+ *
+ * @param replyId
+ * The ID of the reply
+ * @return {@code true} if this Sone likes the given reply, {@code false}
+ * otherwise
+ */
+ public boolean isLikedReplyId(String replyId) {
+ return likedReplyIds.contains(replyId);
+ }
+
+ /**
+ * Adds the given reply ID to the list of replies this Sone likes.
+ *
+ * @param replyId
+ * The ID of the reply
+ * @return This Sone (for method chaining)
+ */
+ public synchronized Sone addLikedReplyId(String replyId) {
+ likedReplyIds.add(replyId);
+ return this;
+ }
+
+ /**
+ * Removes the given post ID from the list of replies this Sone likes.
+ *
+ * @param replyId
+ * The ID of the reply
+ * @return This Sone (for method chaining)
+ */
+ public synchronized Sone removeLikedReplyId(String replyId) {
+ likedReplyIds.remove(replyId);
+ return this;
+ }
+
+ /**
+ * Returns Sone-specific options.
+ *
+ * @return The options of this Sone
+ */
+ public Options getOptions() {
+ return options;
+ }
+
+ //
+ // FINGERPRINTABLE METHODS
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public synchronized String getFingerprint() {
+ StringBuilder fingerprint = new StringBuilder();
+ fingerprint.append(profile.getFingerprint());
+
+ 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(')');