+ Set<Sone> allSones = new HashSet<Sone>();
+ allSones.addAll(getLocalSones());
+ allSones.addAll(getRemoteSones());
+ return allSones;
+ }
+
+ /**
+ * Returns the Sone with the given ID, regardless whether it’s local or
+ * remote.
+ *
+ * @param id
+ * The ID of the Sone to get
+ * @return The Sone with the given ID, or {@code null} if there is no such
+ * Sone
+ */
+ public Sone getSone(String id) {
+ if (isLocalSone(id)) {
+ return getLocalSone(id);
+ }
+ return getRemoteSone(id);
+ }
+
+ /**
+ * Returns whether the given Sone is a local Sone.
+ *
+ * @param sone
+ * The Sone to check for its locality
+ * @return {@code true} if the given Sone is local, {@code false} otherwise
+ */
+ public boolean isLocalSone(Sone sone) {
+ synchronized (localSones) {
+ return localSones.containsKey(sone.getId());
+ }
+ }
+
+ /**
+ * Returns whether the given ID is the ID of a local Sone.
+ *
+ * @param id
+ * The Sone ID to check for its locality
+ * @return {@code true} if the given ID is a local Sone, {@code false}
+ * otherwise
+ */
+ public boolean isLocalSone(String id) {
+ synchronized (localSones) {
+ return localSones.containsKey(id);
+ }
+ }
+
+ /**
+ * Returns all local Sones.
+ *
+ * @return All local Sones
+ */
+ public Set<Sone> getLocalSones() {
+ synchronized (localSones) {
+ return new HashSet<Sone>(localSones.values());
+ }
+ }
+
+ /**
+ * Returns the local Sone with the given ID.
+ *
+ * @param id
+ * The ID of the Sone to get
+ * @return The Sone with the given ID
+ */
+ public Sone getLocalSone(String id) {
+ synchronized (localSones) {
+ Sone sone = localSones.get(id);
+ if (sone == null) {
+ sone = new Sone(id);
+ localSones.put(id, sone);
+ }
+ return sone;
+ }
+ }
+
+ /**
+ * Returns all remote Sones.
+ *
+ * @return All remote Sones
+ */
+ public Set<Sone> getRemoteSones() {
+ synchronized (remoteSones) {
+ return new HashSet<Sone>(remoteSones.values());
+ }
+ }
+
+ /**
+ * Returns the remote Sone with the given ID.
+ *
+ * @param id
+ * The ID of the remote Sone to get
+ * @return The Sone with the given ID
+ */
+ public Sone getRemoteSone(String id) {
+ synchronized (remoteSones) {
+ Sone sone = remoteSones.get(id);
+ if (sone == null) {
+ sone = new Sone(id);
+ remoteSones.put(id, sone);
+ }
+ return sone;
+ }
+ }
+
+ /**
+ * Returns whether the given Sone is a remote Sone.
+ *
+ * @param sone
+ * The Sone to check
+ * @return {@code true} if the given Sone is a remote Sone, {@code false}
+ * otherwise
+ */
+ public boolean isRemoteSone(Sone sone) {
+ synchronized (remoteSones) {
+ return remoteSones.containsKey(sone.getId());
+ }
+ }
+
+ /**
+ * Returns whether the Sone with the given ID is a remote Sone.
+ *
+ * @param id
+ * The ID of the Sone to check
+ * @return {@code true} if the Sone with the given ID is a remote Sone,
+ * {@code false} otherwise
+ */
+ public boolean isRemoteSone(String id) {
+ synchronized (remoteSones) {
+ return remoteSones.containsKey(id);
+ }
+ }
+
+ /**
+ * Returns whether the given Sone is a new Sone. After this check, the Sone
+ * is marked as known, i.e. a second call with the same parameters will
+ * always yield {@code false}.
+ *
+ * @param sone
+ * The sone to check for
+ * @return {@code true} if the given Sone is new, false otherwise
+ */
+ public boolean isNewSone(Sone sone) {
+ synchronized (newSones) {
+ return newSones.remove(sone);
+ }
+ }
+
+ /**
+ * Returns the post with the given ID.
+ *
+ * @param postId
+ * The ID of the post to get
+ * @return The post, or {@code null} if there is no such post
+ */
+ public Post getPost(String postId) {
+ synchronized (posts) {
+ Post post = posts.get(postId);
+ if (post == null) {
+ post = new Post(postId);
+ posts.put(postId, post);
+ }
+ return post;
+ }