import java.util.List;
import java.util.Map;
import java.util.Set;
-import java.util.SortedSet;
-import java.util.TreeSet;
import java.util.concurrent.locks.ReadWriteLock;
import java.util.concurrent.locks.ReentrantReadWriteLock;
import net.pterodactylus.sone.data.Image;
import net.pterodactylus.sone.data.Post;
import net.pterodactylus.sone.data.PostReply;
-import net.pterodactylus.sone.data.Reply;
import net.pterodactylus.sone.data.Sone;
+import net.pterodactylus.sone.data.impl.DefaultSoneBuilder;
import net.pterodactylus.sone.database.Database;
import net.pterodactylus.sone.database.DatabaseException;
import net.pterodactylus.sone.database.PostDatabase;
import net.pterodactylus.sone.database.SoneBuilder;
+import net.pterodactylus.sone.freenet.wot.Identity;
import net.pterodactylus.util.config.Configuration;
import net.pterodactylus.util.config.ConfigurationException;
import com.google.common.base.Function;
import com.google.common.base.Optional;
import com.google.common.collect.ArrayListMultimap;
+import com.google.common.collect.HashMultimap;
import com.google.common.collect.ListMultimap;
+import com.google.common.collect.Maps;
+import com.google.common.collect.Multimap;
+import com.google.common.collect.SetMultimap;
import com.google.common.collect.SortedSetMultimap;
import com.google.common.collect.TreeMultimap;
import com.google.common.util.concurrent.AbstractService;
/** The configuration. */
private final Configuration configuration;
+ private final Map<String, Identity> identities = Maps.newHashMap();
private final Map<String, Sone> sones = new HashMap<String, Sone>();
/** All posts by their ID. */
private final Map<String, Post> allPosts = new HashMap<String, Post>();
/** All posts by their Sones. */
- private final Map<String, Collection<Post>> sonePosts = new HashMap<String, Collection<Post>>();
+ private final Multimap<String, Post> sonePosts = HashMultimap.create();
+ private final SetMultimap<String, String> likedPostsBySone = HashMultimap.create();
+ private final SetMultimap<String, String> postLikingSones = HashMultimap.create();
/** All posts by their recipient. */
- private final Map<String, Collection<Post>> recipientPosts = new HashMap<String, Collection<Post>>();
+ private final Multimap<String, Post> recipientPosts = HashMultimap.create();
/** Whether posts are known. */
private final Set<String> knownPosts = new HashSet<String>();
/** All post replies by their ID. */
private final Map<String, PostReply> allPostReplies = new HashMap<String, PostReply>();
+ private final SetMultimap<String, String> likedPostRepliesBySone = HashMultimap.create();
+ private final SetMultimap<String, String> postReplyLikingSones = HashMultimap.create();
/** Replies sorted by Sone. */
private final SortedSetMultimap<String, PostReply> sonePostReplies = TreeMultimap.create(new Comparator<String>() {
}, PostReply.TIME_COMPARATOR);
/** Replies by post. */
- private final Map<String, SortedSet<PostReply>> postReplies = new HashMap<String, SortedSet<PostReply>>();
+ private final SortedSetMultimap<String, PostReply> postReplies = TreeMultimap.create(new Comparator<String>() {
+
+ @Override
+ public int compare(String leftString, String rightString) {
+ return leftString.compareTo(rightString);
+ }
+ }, PostReply.TIME_COMPARATOR);
/** Whether post replies are known. */
private final Set<String> knownPostReplies = new HashSet<String>();
}
@Override
+ public Optional<Identity> getIdentity(String identityId) {
+ lock.readLock().lock();
+ try {
+ return fromNullable(identities.get(identityId));
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
+ @Override
+ public void storeIdentity(Identity identitiy) {
+ lock.writeLock().lock();
+ try {
+ identities.put(identitiy.getId(), identitiy);
+ } finally {
+ lock.writeLock().unlock();
+ }
+ }
+
+ @Override
+ public Function<String, Optional<Sone>> getSone() {
+ return new Function<String, Optional<Sone>>() {
+ @Override
+ public Optional<Sone> apply(String soneId) {
+ return (soneId == null) ? Optional.<Sone>absent() : getSone(soneId);
+ }
+ };
+ }
+
+ @Override
public Optional<Sone> getSone(String soneId) {
lock.readLock().lock();
try {
}
@Override
+ public void storeSone(Sone sone) {
+ lock.writeLock().lock();
+ try {
+ sones.put(sone.getId(), sone);
+ } finally {
+ lock.writeLock().unlock();
+ }
+ }
+
+ @Override
public SoneBuilder newSoneBuilder() {
- return null;
+ return new DefaultSoneBuilder(this) {
+ @Override
+ public Sone build(Optional<SoneCreated> soneCreated) throws IllegalStateException {
+ Sone sone = super.build(soneCreated);
+ lock.writeLock().lock();
+ try {
+ sones.put(sone.getId(), sone);
+ } finally {
+ lock.writeLock().unlock();
+ }
+ return sone;
+ }
+ };
}
//
//
@Override
+ public Function<String, Optional<Post>> getPost() {
+ return new Function<String, Optional<Post>>() {
+ @Override
+ public Optional<Post> apply(String postId) {
+ return (postId == null) ? Optional.<Post>absent() : getPost(postId);
+ }
+ };
+ }
+
+ @Override
public Optional<Post> getPost(String postId) {
lock.readLock().lock();
try {
@Override
public Collection<Post> getPosts(String soneId) {
- return new HashSet<Post>(getPostsFrom(soneId));
+ lock.readLock().lock();
+ try {
+ return new HashSet<Post>(sonePosts.get(soneId));
+ } finally {
+ lock.readLock().unlock();
+ }
}
@Override
}
}
+ @Override
+ public void likePost(Post post, Sone localSone) {
+ lock.writeLock().lock();
+ try {
+ likedPostsBySone.put(localSone.getId(), post.getId());
+ postLikingSones.put(post.getId(), localSone.getId());
+ } finally {
+ lock.writeLock().unlock();
+ }
+ }
+
+ @Override
+ public void unlikePost(Post post, Sone localSone) {
+ lock.writeLock().lock();
+ try {
+ likedPostsBySone.remove(localSone.getId(), post.getId());
+ postLikingSones.remove(post.getId(), localSone.getId());
+ } finally {
+ lock.writeLock().unlock();
+ }
+ }
+
+ public boolean isLiked(Post post, Sone sone) {
+ lock.readLock().lock();
+ try {
+ return likedPostsBySone.containsEntry(sone.getId(), post.getId());
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
+ @Override
+ public Set<Sone> getLikes(Post post) {
+ lock.readLock().lock();
+ try {
+ return from(postLikingSones.get(post.getId())).transform(getSone()).transformAndConcat(this.<Sone>unwrap()).toSet();
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
//
// POSTSTORE METHODS
//
lock.writeLock().lock();
try {
allPosts.put(post.getId(), post);
- getPostsFrom(post.getSone().getId()).add(post);
+ sonePosts.put(post.getSone().getId(), post);
if (post.getRecipientId().isPresent()) {
- getPostsTo(post.getRecipientId().get()).add(post);
+ recipientPosts.put(post.getRecipientId().get(), post);
}
} finally {
lock.writeLock().unlock();
lock.writeLock().lock();
try {
allPosts.remove(post.getId());
- getPostsFrom(post.getSone().getId()).remove(post);
+ sonePosts.remove(post.getSone().getId(), post);
if (post.getRecipientId().isPresent()) {
- getPostsTo(post.getRecipientId().get()).remove(post);
+ recipientPosts.remove(post.getRecipientId().get(), post);
}
post.getSone().removePost(post);
} finally {
lock.writeLock().lock();
try {
/* remove all posts by the Sone. */
- getPostsFrom(sone.getId()).clear();
+ sonePosts.removeAll(sone.getId());
for (Post post : posts) {
allPosts.remove(post.getId());
if (post.getRecipientId().isPresent()) {
- getPostsTo(post.getRecipientId().get()).remove(post);
+ recipientPosts.remove(post.getRecipientId().get(), post);
}
}
/* add new posts. */
- getPostsFrom(sone.getId()).addAll(posts);
+ sonePosts.putAll(sone.getId(), posts);
for (Post post : posts) {
allPosts.put(post.getId(), post);
if (post.getRecipientId().isPresent()) {
- getPostsTo(post.getRecipientId().get()).add(post);
+ recipientPosts.put(post.getRecipientId().get(), post);
}
}
} finally {
lock.writeLock().lock();
try {
/* remove all posts by the Sone. */
- getPostsFrom(sone.getId()).clear();
+ sonePosts.removeAll(sone.getId());
for (Post post : sone.getPosts()) {
allPosts.remove(post.getId());
if (post.getRecipientId().isPresent()) {
- getPostsTo(post.getRecipientId().get()).remove(post);
+ recipientPosts.remove(post.getRecipientId().get(), post);
}
}
} finally {
}
}
+ @Override
+ public void likePostReply(PostReply postReply, Sone localSone) {
+ lock.writeLock().lock();
+ try {
+ likedPostRepliesBySone.put(localSone.getId(), postReply.getId());
+ postReplyLikingSones.put(postReply.getId(), localSone.getId());
+ } finally {
+ lock.writeLock().unlock();
+ }
+ }
+
+ @Override
+ public void unlikePostReply(PostReply postReply, Sone localSone) {
+ lock.writeLock().lock();
+ try {
+ likedPostRepliesBySone.remove(localSone.getId(), postReply.getId());
+ postReplyLikingSones.remove(postReply.getId(), localSone.getId());
+ } finally {
+ lock.writeLock().unlock();
+ }
+ }
+
+ @Override
+ public boolean isLiked(PostReply postReply, Sone sone) {
+ lock.readLock().lock();
+ try {
+ return postReplyLikingSones.containsEntry(postReply.getId(), sone.getId());
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
+ @Override
+ public Set<Sone> getLikes(PostReply postReply) {
+ lock.readLock().lock();
+ try {
+ return from(postReplyLikingSones.get(postReply.getId())).transform(getSone()).transformAndConcat(this.<Sone>unwrap()).toSet();
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
//
// POSTREPLYSTORE METHODS
//
+ /**
+ * Returns whether the given post reply is known.
+ *
+ * @param postReply
+ * The post reply
+ * @return {@code true} if the given post reply is known, {@code false}
+ * otherwise
+ */
+ public boolean isPostReplyKnown(PostReply postReply) {
+ lock.readLock().lock();
+ try {
+ return knownPostReplies.contains(postReply.getId());
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
+ @Override
+ public void setPostReplyKnown(PostReply postReply) {
+ lock.writeLock().lock();
+ try {
+ knownPostReplies.add(postReply.getId());
+ } finally {
+ lock.writeLock().unlock();
+ }
+ }
+
@Override
public void storePostReply(PostReply postReply) {
lock.writeLock().lock();
try {
allPostReplies.put(postReply.getId(), postReply);
- if (postReplies.containsKey(postReply.getPostId())) {
- postReplies.get(postReply.getPostId()).add(postReply);
- } else {
- TreeSet<PostReply> replies = new TreeSet<PostReply>(Reply.TIME_COMPARATOR);
- replies.add(postReply);
- postReplies.put(postReply.getPostId(), replies);
- }
+ postReplies.put(postReply.getPostId(), postReply);
} finally {
lock.writeLock().unlock();
}
for (PostReply postReply : postReplies) {
allPostReplies.put(postReply.getId(), postReply);
sonePostReplies.put(postReply.getSone().getId(), postReply);
- if (this.postReplies.containsKey(postReply.getPostId())) {
- this.postReplies.get(postReply.getPostId()).add(postReply);
- } else {
- TreeSet<PostReply> replies = new TreeSet<PostReply>(Reply.TIME_COMPARATOR);
- replies.add(postReply);
- this.postReplies.put(postReply.getPostId(), replies);
- }
+ this.postReplies.put(postReply.getPostId(), postReply);
}
} finally {
lock.writeLock().unlock();
lock.writeLock().lock();
try {
allPostReplies.remove(postReply.getId());
- if (postReplies.containsKey(postReply.getPostId())) {
- postReplies.get(postReply.getPostId()).remove(postReply);
- if (postReplies.get(postReply.getPostId()).isEmpty()) {
- postReplies.remove(postReply.getPostId());
- }
- }
+ postReplies.remove(postReply.getPostId(), postReply);
} finally {
lock.writeLock().unlock();
}
lock.writeLock().lock();
try {
allAlbums.put(album.getId(), album);
- albumChildren.put(album.getParent().getId(), album.getId());
+ if (!album.isRoot()) {
+ albumChildren.put(album.getParent().getId(), album.getId());
+ }
} finally {
lock.writeLock().unlock();
}
}
}
- /**
- * Returns whether the given post reply is known.
- *
- * @param postReply
- * The post reply
- * @return {@code true} if the given post reply is known, {@code false}
- * otherwise
- */
- boolean isPostReplyKnown(PostReply postReply) {
- lock.readLock().lock();
- try {
- return knownPostReplies.contains(postReply.getId());
- } finally {
- lock.readLock().unlock();
- }
- }
-
- /**
- * Sets whether the given post reply is known.
- *
- * @param postReply
- * The post reply
- * @param known
- * {@code true} if the post reply is known, {@code false} otherwise
- */
- void setPostReplyKnown(PostReply postReply, boolean known) {
- lock.writeLock().lock();
- try {
- if (known) {
- knownPostReplies.add(postReply.getId());
- } else {
- knownPostReplies.remove(postReply.getId());
- }
- } finally {
- lock.writeLock().unlock();
- }
- }
-
//
// PRIVATE METHODS
//
- /**
- * Gets all posts for the given Sone, creating a new collection if there is
- * none yet.
- *
- * @param soneId
- * The ID of the Sone to get the posts for
- * @return All posts
- */
- private Collection<Post> getPostsFrom(String soneId) {
- Collection<Post> posts = null;
- lock.readLock().lock();
- try {
- posts = sonePosts.get(soneId);
- } finally {
- lock.readLock().unlock();
- }
- if (posts != null) {
- return posts;
- }
-
- posts = new HashSet<Post>();
- lock.writeLock().lock();
- try {
- sonePosts.put(soneId, posts);
- } finally {
- lock.writeLock().unlock();
- }
-
- return posts;
- }
-
- /**
- * Gets all posts that are directed the given Sone, creating a new collection
- * if there is none yet.
- *
- * @param recipientId
- * The ID of the Sone to get the posts for
- * @return All posts
- */
- private Collection<Post> getPostsTo(String recipientId) {
- Collection<Post> posts = null;
- lock.readLock().lock();
- try {
- posts = recipientPosts.get(recipientId);
- } finally {
- lock.readLock().unlock();
- }
- if (posts != null) {
- return posts;
- }
-
- posts = new HashSet<Post>();
- lock.writeLock().lock();
- try {
- recipientPosts.put(recipientId, posts);
- } finally {
- lock.writeLock().unlock();
- }
-
- return posts;
- }
-
/** Loads the known posts. */
private void loadKnownPosts() {
lock.writeLock().lock();
};
}
+ private static <T> Function<Optional<T>, Iterable<T>> unwrap() {
+ return new Function<Optional<T>, Iterable<T>>() {
+ @Override
+ public Iterable<T> apply(Optional<T> input) {
+ return (input == null) ? Collections.<T>emptyList() : input.asSet();
+ }
+ };
+ }
+
}