--- /dev/null
+/*
+ * Sone - MemorySone.java - Copyright © 2010–2012 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sone.database.memory;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.List;
+import java.util.Set;
+import java.util.concurrent.CopyOnWriteArrayList;
+import java.util.concurrent.CopyOnWriteArraySet;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
+import net.pterodactylus.sone.core.Options;
+import net.pterodactylus.sone.data.Album;
+import net.pterodactylus.sone.data.Client;
+import net.pterodactylus.sone.data.Image;
+import net.pterodactylus.sone.data.Post;
+import net.pterodactylus.sone.data.PostReply;
+import net.pterodactylus.sone.data.Profile;
+import net.pterodactylus.sone.data.Reply;
+import net.pterodactylus.sone.data.Sone;
+import net.pterodactylus.sone.database.Database;
+import net.pterodactylus.sone.freenet.wot.Identity;
+import net.pterodactylus.util.logging.Logging;
+import net.pterodactylus.util.validation.Validation;
+import freenet.keys.FreenetURI;
+
+/**
+ * Implementation of a {@link Sone} that keeps all added data in memory. A
+ * self-created instance of this class should be converted to a {@link Database}
+ * -based instance of {@link Sone} as soon as possible (unless it was returned
+ * by a {@link MemoryDatabase}).
+ *
+ * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
+ */
+public class MemorySone implements Sone {
+
+ /** The logger. */
+ private static final Logger logger = Logging.getLogger(Sone.class);
+
+ /** The ID of this Sone. */
+ private final String id;
+
+ /** Whether this is a local Sone. */
+ private final boolean local;
+
+ /** The identity of this Sone. */
+ private Identity identity;
+
+ /** The URI under which the Sone is stored in Freenet. */
+ private volatile FreenetURI requestUri;
+
+ /** The URI used to insert a new version of this Sone. */
+ /* This will be null for remote Sones! */
+ private volatile FreenetURI insertUri;
+
+ /** The latest edition of the Sone. */
+ private volatile long latestEdition;
+
+ /** The time of the last inserted update. */
+ private volatile long time;
+
+ /** The status of this Sone. */
+ private volatile SoneStatus status = SoneStatus.unknown;
+
+ /** The profile of this Sone. */
+ private volatile Profile profile = new Profile(this);
+
+ /** The client used by the Sone. */
+ private volatile Client client;
+
+ /** Whether this Sone is known. */
+ private volatile boolean known;
+
+ /** All friend Sones. */
+ private final Set<String> friendSones = new CopyOnWriteArraySet<String>();
+
+ /** All posts. */
+ private final Set<Post> posts = new CopyOnWriteArraySet<Post>();
+
+ /** All replies. */
+ private final Set<PostReply> replies = new CopyOnWriteArraySet<PostReply>();
+
+ /** The IDs of all liked posts. */
+ private final Set<String> likedPostIds = new CopyOnWriteArraySet<String>();
+
+ /** The IDs of all liked replies. */
+ private final Set<String> likedReplyIds = new CopyOnWriteArraySet<String>();
+
+ /** The albums of this Sone. */
+ private final List<Album> albums = new CopyOnWriteArrayList<Album>();
+
+ /** Sone-specific options. */
+ private final Options options = new Options();
+
+ /**
+ * Creates a new Sone.
+ *
+ * @param id
+ * The ID of the Sone
+ * @param local
+ * {@code true} if this Sone is local, {@code false} otherwise
+ */
+ public MemorySone(String id, boolean local) {
+ this.id = id;
+ this.local = local;
+ }
+
+ //
+ // ACCESSORS
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public String getId() {
+ return id;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Identity getIdentity() {
+ return identity;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone setIdentity(Identity identity) throws IllegalArgumentException {
+ if (!identity.getId().equals(id)) {
+ throw new IllegalArgumentException("Identity’s ID does not match Sone’s ID!");
+ }
+ this.identity = identity;
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean isLocal() {
+ return local;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public String getName() {
+ return (identity != null) ? identity.getNickname() : null;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public FreenetURI getRequestUri() {
+ return (requestUri != null) ? requestUri.setSuggestedEdition(latestEdition) : null;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone setRequestUri(FreenetURI requestUri) {
+ if (this.requestUri == null) {
+ this.requestUri = requestUri.setKeyType("USK").setDocName("Sone").setMetaString(new String[0]);
+ return this;
+ }
+ if (!this.requestUri.equalsKeypair(requestUri)) {
+ logger.log(Level.WARNING, String.format("Request URI %s tried to overwrite %s!", requestUri, this.requestUri));
+ return this;
+ }
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public FreenetURI getInsertUri() {
+ return (insertUri != null) ? insertUri.setSuggestedEdition(latestEdition) : null;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone setInsertUri(FreenetURI insertUri) {
+ if (this.insertUri == null) {
+ this.insertUri = insertUri.setKeyType("USK").setDocName("Sone").setMetaString(new String[0]);
+ return this;
+ }
+ if (!this.insertUri.equalsKeypair(insertUri)) {
+ logger.log(Level.WARNING, String.format("Request URI %s tried to overwrite %s!", insertUri, this.insertUri));
+ return this;
+ }
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public long getLatestEdition() {
+ return latestEdition;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void setLatestEdition(long latestEdition) {
+ if (!(latestEdition > this.latestEdition)) {
+ logger.log(Level.FINE, String.format("New latest edition %d is not greater than current latest edition %d!", latestEdition, this.latestEdition));
+ return;
+ }
+ this.latestEdition = latestEdition;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public long getTime() {
+ return time;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone setTime(long time) {
+ this.time = time;
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public SoneStatus getStatus() {
+ return status;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone setStatus(SoneStatus status) {
+ Validation.begin().isNotNull("Sone Status", status).check();
+ this.status = status;
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Profile getProfile() {
+ return new Profile(profile);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void setProfile(Profile profile) {
+ this.profile = new Profile(profile);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Client getClient() {
+ return client;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone setClient(Client client) {
+ this.client = client;
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean isKnown() {
+ return known;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone setKnown(boolean known) {
+ this.known = known;
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public List<String> getFriends() {
+ List<String> friends = new ArrayList<String>(friendSones);
+ return friends;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean hasFriend(String friendSoneId) {
+ return friendSones.contains(friendSoneId);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone addFriend(String friendSone) {
+ if (!friendSone.equals(id)) {
+ friendSones.add(friendSone);
+ }
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone removeFriend(String friendSoneId) {
+ friendSones.remove(friendSoneId);
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public List<Post> getPosts() {
+ List<Post> sortedPosts;
+ synchronized (this) {
+ sortedPosts = new ArrayList<Post>(posts);
+ }
+ Collections.sort(sortedPosts, Post.TIME_COMPARATOR);
+ return sortedPosts;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone setPosts(Collection<Post> posts) {
+ synchronized (this) {
+ this.posts.clear();
+ this.posts.addAll(posts);
+ }
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void addPost(Post post) {
+ if (post.getSone().equals(this) && posts.add(post)) {
+ logger.log(Level.FINEST, String.format("Adding %s to “%s”.", post, getName()));
+ }
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void removePost(Post post) {
+ if (post.getSone().equals(this)) {
+ posts.remove(post);
+ }
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Set<PostReply> getReplies() {
+ return Collections.unmodifiableSet(replies);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone setReplies(Collection<PostReply> replies) {
+ this.replies.clear();
+ this.replies.addAll(replies);
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void addReply(PostReply reply) {
+ if (reply.getSone().equals(this)) {
+ replies.add(reply);
+ }
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void removeReply(PostReply reply) {
+ if (reply.getSone().equals(this)) {
+ replies.remove(reply);
+ }
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Set<String> getLikedPostIds() {
+ return Collections.unmodifiableSet(likedPostIds);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone setLikePostIds(Set<String> likedPostIds) {
+ this.likedPostIds.clear();
+ this.likedPostIds.addAll(likedPostIds);
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean isLikedPostId(String postId) {
+ return likedPostIds.contains(postId);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone addLikedPostId(String postId) {
+ likedPostIds.add(postId);
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone removeLikedPostId(String postId) {
+ likedPostIds.remove(postId);
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Set<String> getLikedReplyIds() {
+ return Collections.unmodifiableSet(likedReplyIds);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone setLikeReplyIds(Set<String> likedReplyIds) {
+ this.likedReplyIds.clear();
+ this.likedReplyIds.addAll(likedReplyIds);
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean isLikedReplyId(String replyId) {
+ return likedReplyIds.contains(replyId);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone addLikedReplyId(String replyId) {
+ likedReplyIds.add(replyId);
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Sone removeLikedReplyId(String replyId) {
+ likedReplyIds.remove(replyId);
+ return this;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public List<Album> getAlbums() {
+ return Collections.unmodifiableList(albums);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public List<Album> getAllAlbums() {
+ List<Album> flatAlbums = new ArrayList<Album>();
+ flatAlbums.addAll(albums);
+ int lastAlbumIndex = 0;
+ while (lastAlbumIndex < flatAlbums.size()) {
+ int previousAlbumCount = flatAlbums.size();
+ for (Album album : new ArrayList<Album>(flatAlbums.subList(lastAlbumIndex, flatAlbums.size()))) {
+ flatAlbums.addAll(album.getAlbums());
+ }
+ lastAlbumIndex = previousAlbumCount;
+ }
+ return flatAlbums;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public List<Image> getAllImages() {
+ List<Image> allImages = new ArrayList<Image>();
+ for (Album album : getAllAlbums()) {
+ allImages.addAll(album.getImages());
+ }
+ return allImages;
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void addAlbum(Album album) {
+ Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.getSone(), this).check();
+ albums.add(album);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void setAlbums(Collection<? extends Album> albums) {
+ Validation.begin().isNotNull("Albums", albums).check();
+ this.albums.clear();
+ for (Album album : albums) {
+ addAlbum(album);
+ }
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public void removeAlbum(Album album) {
+ Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.getSone(), this).check();
+ albums.remove(album);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Album moveAlbumUp(Album album) {
+ Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.getSone(), this).isNull("Album Parent", album.getParent()).check();
+ int oldIndex = albums.indexOf(album);
+ if (oldIndex <= 0) {
+ return null;
+ }
+ albums.remove(oldIndex);
+ albums.add(oldIndex - 1, album);
+ return albums.get(oldIndex);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public Album moveAlbumDown(Album album) {
+ Validation.begin().isNotNull("Album", album).check().isEqual("Album Owner", album.getSone(), this).isNull("Album Parent", album.getParent()).check();
+ int oldIndex = albums.indexOf(album);
+ if ((oldIndex < 0) || (oldIndex >= (albums.size() - 1))) {
+ return null;
+ }
+ albums.remove(oldIndex);
+ albums.add(oldIndex + 1, album);
+ return albums.get(oldIndex);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ 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<PostReply> replies = new ArrayList<PostReply>(getReplies());
+ Collections.sort(replies, Reply.TIME_COMPARATOR);
+ fingerprint.append("Replies(");
+ for (PostReply 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(')');
+
+ List<String> likedReplyIds = new ArrayList<String>(getLikedReplyIds());
+ Collections.sort(likedReplyIds);
+ fingerprint.append("LikedReplies(");
+ for (String likedReplyId : likedReplyIds) {
+ fingerprint.append("Reply(").append(likedReplyId).append(')');
+ }
+ fingerprint.append(')');
+
+ fingerprint.append("Albums(");
+ for (Album album : albums) {
+ fingerprint.append(album.getFingerprint());
+ }
+ fingerprint.append(')');
+
+ return fingerprint.toString();
+ }
+
+ //
+ // INTERFACE Comparable<Sone>
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public int compareTo(Sone sone) {
+ return NICE_NAME_COMPARATOR.compare(this, sone);
+ }
+
+ //
+ // OBJECT METHODS
+ //
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public int hashCode() {
+ return id.hashCode();
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public boolean equals(Object object) {
+ if (!(object instanceof Sone)) {
+ return false;
+ }
+ return ((Sone) object).getId().equals(id);
+ }
+
+ /**
+ * {@inheritDoc}
+ */
+ @Override
+ public String toString() {
+ return getClass().getName() + "[identity=" + identity + ",requestUri=" + requestUri + ",insertUri(" + String.valueOf(insertUri).length() + "),friends(" + friendSones.size() + "),posts(" + posts.size() + "),replies(" + replies.size() + ")]";
+ }
+
+}
projects / Sone.git / blobdiff