package net.pterodactylus.sone.database.memory;
+import static com.google.common.base.Optional.fromNullable;
import static com.google.common.base.Preconditions.checkNotNull;
+import static com.google.common.base.Predicates.not;
+import static com.google.common.collect.FluentIterable.from;
+import static java.util.Collections.emptyList;
+import static net.pterodactylus.sone.data.Sone.LOCAL_SONE_FILTER;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
+import java.util.Comparator;
import java.util.HashMap;
import java.util.HashSet;
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.Album;
+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.PostBuilder;
import net.pterodactylus.sone.database.PostDatabase;
-import net.pterodactylus.sone.database.PostReplyBuilder;
-import net.pterodactylus.sone.database.SoneProvider;
+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;
import com.google.inject.Inject;
/** The lock. */
private final ReadWriteLock lock = new ReentrantReadWriteLock();
- /** The Sone provider. */
- private final SoneProvider soneProvider;
-
/** 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>() {
+
+ @Override
+ public int compare(String leftString, String rightString) {
+ return leftString.compareTo(rightString);
+ }
+ }, 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>();
+ private final Map<String, Album> allAlbums = new HashMap<String, Album>();
+ private final ListMultimap<String, String> albumChildren = ArrayListMultimap.create();
+ private final ListMultimap<String, String> albumImages = ArrayListMultimap.create();
+
+ private final Map<String, Image> allImages = new HashMap<String, Image>();
+
/**
* Creates a new memory database.
*
- * @param soneProvider
- * The Sone provider
* @param configuration
- * The configuration for loading and saving elements
+ * The configuration for loading and saving elements
*/
@Inject
- public MemoryDatabase(SoneProvider soneProvider, Configuration configuration) {
- this.soneProvider = soneProvider;
+ public MemoryDatabase(Configuration configuration) {
this.configuration = configuration;
}
// DATABASE METHODS
//
- /**
- * Saves the database.
- *
- * @throws DatabaseException
- * if an error occurs while saving
- */
@Override
public void save() throws DatabaseException {
saveKnownPosts();
// SERVICE METHODS
//
- /**
- * {@inheritDocs}
- */
@Override
protected void doStart() {
loadKnownPosts();
notifyStarted();
}
- /**
- * {@inheritDocs}
- */
@Override
protected void doStop() {
try {
}
}
+ @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 {
+ return fromNullable(sones.get(soneId));
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
+ @Override
+ public Collection<Sone> getSones() {
+ lock.readLock().lock();
+ try {
+ return Collections.unmodifiableCollection(sones.values());
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
+ @Override
+ public Collection<Sone> getLocalSones() {
+ lock.readLock().lock();
+ try {
+ return from(getSones()).filter(LOCAL_SONE_FILTER).toSet();
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
+ @Override
+ public Collection<Sone> getRemoteSones() {
+ lock.readLock().lock();
+ try {
+ return from(getSones()).filter(not(LOCAL_SONE_FILTER)).toSet();
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
+ @Override
+ public SoneBuilder newSoneBuilder() {
+ 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;
+ }
+ };
+ }
+
//
// POSTPROVIDER METHODS
//
- /**
- * {@inheritDocs}
- */
+ @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 {
- return Optional.fromNullable(allPosts.get(postId));
+ return fromNullable(allPosts.get(postId));
} finally {
lock.readLock().unlock();
}
}
- /**
- * {@inheritDocs}
- */
@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();
+ }
}
- /**
- * {@inheritDocs}
- */
@Override
public Collection<Post> getDirectedPosts(String recipientId) {
lock.readLock().lock();
try {
Collection<Post> posts = recipientPosts.get(recipientId);
- return (posts == null) ? Collections.<Post>
emptySet() : new HashSet<Post>(posts);
+ return (posts == null) ? Collections.<Post>emptySet() : new HashSet<Post>(posts);
} finally {
lock.readLock().unlock();
}
}
- //
- // POSTBUILDERFACTORY METHODS
- //
+ @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();
+ }
+ }
- /**
- * {@inheritDocs}
- */
@Override
- public PostBuilder newPostBuilder() {
- return new MemoryPostBuilder(this, soneProvider);
+ 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
//
- /**
- * {@inheritDocs}
- */
@Override
public void storePost(Post post) {
checkNotNull(post, "post must not be null");
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();
}
}
- /**
- * {@inheritDocs}
- */
@Override
public void removePost(Post post) {
checkNotNull(post, "post must not be null");
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 {
}
}
- /**
- * {@inheritDocs}
- */
@Override
public void storePosts(Sone sone, Collection<Post> posts) throws IllegalArgumentException {
checkNotNull(sone, "sone must not be null");
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 {
}
}
- /**
- * {@inheritDocs}
- */
@Override
public void removePosts(Sone sone) {
checkNotNull(sone, "sone must not be null");
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 {
// POSTREPLYPROVIDER METHODS
//
- /**
- * {@inheritDocs}
- */
@Override
public Optional<PostReply> getPostReply(String id) {
lock.readLock().lock();
try {
- return Optional.fromNullable(allPostReplies.get(id));
+ return fromNullable(allPostReplies.get(id));
} finally {
lock.readLock().unlock();
}
}
- /**
- * {@inheritDocs}
- */
@Override
public List<PostReply> getReplies(String postId) {
lock.readLock().lock();
try {
if (!postReplies.containsKey(postId)) {
- return Collections.emptyList();
+ return emptyList();
}
return new ArrayList<PostReply>(postReplies.get(postId));
} finally {
}
}
- //
- // POSTREPLYBUILDERFACTORY METHODS
- //
+ @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();
+ }
+ }
- /**
- * {@inheritDocs}
- */
@Override
- public PostReplyBuilder newPostReplyBuilder() {
- return new MemoryPostReplyBuilder(this, soneProvider);
+ 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();
+ }
}
//
//
/**
- * {@inheritDocs}
+ * 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();
}
}
- /**
- * {@inheritDocs}
- */
@Override
public void storePostReplies(Sone sone, Collection<PostReply> postReplies) {
checkNotNull(sone, "sone must not be null");
lock.writeLock().lock();
try {
+ /* remove all post replies of the Sone. */
+ for (PostReply postReply : getRepliesFrom(sone.getId())) {
+ removePostReply(postReply);
+ }
for (PostReply postReply : postReplies) {
allPostReplies.put(postReply.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);
- }
+ sonePostReplies.put(postReply.getSone().getId(), postReply);
+ this.postReplies.put(postReply.getPostId(), postReply);
}
} finally {
lock.writeLock().unlock();
}
}
- /**
- * {@inheritDocs}
- */
@Override
public void removePostReply(PostReply postReply) {
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();
}
}
- /**
- * {@inheritDocs}
- */
@Override
public void removePostReplies(Sone sone) {
checkNotNull(sone, "sone must not be null");
}
//
- // PACKAGE-PRIVATE METHODS
+ // ALBUMPROVDER METHODS
//
- /**
- * Returns whether the given post is known.
- *
- * @param post
- * The post
- * @return {@code true} if the post is known, {@code false} otherwise
- */
- boolean isPostKnown(Post post) {
+ @Override
+ public Optional<Album> getAlbum(String albumId) {
lock.readLock().lock();
try {
- return knownPosts.contains(post.getId());
+ return fromNullable(allAlbums.get(albumId));
} finally {
lock.readLock().unlock();
}
}
- /**
- * Sets whether the given post is known.
- *
- * @param post
- * The post
- * @param known
- * {@code true} if the post is known, {@code false} otherwise
- */
- void setPostKnown(Post post, boolean known) {
+ @Override
+ public List<Album> getAlbums(Album parent) {
+ lock.readLock().lock();
+ try {
+ return from(albumChildren.get(parent.getId())).transformAndConcat(getAlbum()).toList();
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
+ @Override
+ public void moveUp(Album album) {
lock.writeLock().lock();
try {
- if (known) {
- knownPosts.add(post.getId());
- } else {
- knownPosts.remove(post.getId());
+ List<String> albums = albumChildren.get(album.getParent().getId());
+ int currentIndex = albums.indexOf(album.getId());
+ if (currentIndex == 0) {
+ return;
}
+ albums.remove(album.getId());
+ albums.add(currentIndex - 1, 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();
+ @Override
+ public void moveDown(Album album) {
+ lock.writeLock().lock();
try {
- return knownPostReplies.contains(postReply.getId());
+ List<String> albums = albumChildren.get(album.getParent().getId());
+ int currentIndex = albums.indexOf(album.getId());
+ if (currentIndex == (albums.size() - 1)) {
+ return;
+ }
+ albums.remove(album.getId());
+ albums.add(currentIndex + 1, album.getId());
} finally {
- lock.readLock().unlock();
+ lock.writeLock().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) {
+ //
+ // ALBUMSTORE METHODS
+ //
+
+ @Override
+ public void storeAlbum(Album album) {
lock.writeLock().lock();
try {
- if (known) {
- knownPostReplies.add(postReply.getId());
- } else {
- knownPostReplies.remove(postReply.getId());
+ allAlbums.put(album.getId(), album);
+ if (!album.isRoot()) {
+ albumChildren.put(album.getParent().getId(), album.getId());
}
} finally {
lock.writeLock().unlock();
}
}
+ @Override
+ public void removeAlbum(Album album) {
+ lock.writeLock().lock();
+ try {
+ allAlbums.remove(album.getId());
+ albumChildren.remove(album.getParent().getId(), album.getId());
+ } finally {
+ lock.writeLock().unlock();
+ }
+ }
+
//
- // PRIVATE METHODS
+ // IMAGEPROVIDER 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;
+ @Override
+ public Optional<Image> getImage(String imageId) {
lock.readLock().lock();
try {
- posts = sonePosts.get(soneId);
+ return fromNullable(allImages.get(imageId));
} finally {
lock.readLock().unlock();
}
- if (posts != null) {
- return posts;
+ }
+
+ @Override
+ public List<Image> getImages(Album parent) {
+ lock.readLock().lock();
+ try {
+ return from(albumImages.get(parent.getId())).transformAndConcat(getImage()).toList();
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
+ @Override
+ public void moveUp(Image image) {
+ lock.writeLock().lock();
+ try {
+ List<String> images = albumImages.get(image.getAlbum().getId());
+ int currentIndex = images.indexOf(image.getId());
+ if (currentIndex == 0) {
+ return;
+ }
+ images.remove(image.getId());
+ images.add(currentIndex - 1, image.getId());
+ } finally {
+ lock.writeLock().unlock();
+ }
+ }
+
+ @Override
+ public void moveDown(Image image) {
+ lock.writeLock().lock();
+ try {
+ List<String> images = albumChildren.get(image.getAlbum().getId());
+ int currentIndex = images.indexOf(image.getId());
+ if (currentIndex == (images.size() - 1)) {
+ return;
+ }
+ images.remove(image.getId());
+ images.add(currentIndex + 1, image.getId());
+ } finally {
+ lock.writeLock().unlock();
}
+ }
- posts = new HashSet<Post>();
+ //
+ // IMAGESTORE METHODS
+ //
+
+ @Override
+ public void storeImage(Image image) {
lock.writeLock().lock();
try {
- sonePosts.put(soneId, posts);
+ allImages.put(image.getId(), image);
+ albumImages.put(image.getAlbum().getId(), image.getId());
} finally {
lock.writeLock().unlock();
}
+ }
- return posts;
+ @Override
+ public void removeImage(Image image) {
+ lock.writeLock().lock();
+ try {
+ allImages.remove(image.getId());
+ albumImages.remove(image.getAlbum().getId(), image.getId());
+ } finally {
+ lock.writeLock().unlock();
+ }
}
+ //
+ // PACKAGE-PRIVATE METHODS
+ //
+
/**
- * Gets all posts that are directed the given Sone, creating a new
- * collection if there is none yet.
+ * Returns whether the given post is known.
*
- * @param recipientId
- * The ID of the Sone to get the posts for
- * @return All posts
+ * @param post
+ * The post
+ * @return {@code true} if the post is known, {@code false} otherwise
*/
- private Collection<Post> getPostsTo(String recipientId) {
- Collection<Post> posts = null;
+ boolean isPostKnown(Post post) {
lock.readLock().lock();
try {
- posts = recipientPosts.get(recipientId);
+ return knownPosts.contains(post.getId());
} finally {
lock.readLock().unlock();
}
- if (posts != null) {
- return posts;
- }
+ }
- posts = new HashSet<Post>();
+ /**
+ * Sets whether the given post is known.
+ *
+ * @param post
+ * The post
+ * @param known
+ * {@code true} if the post is known, {@code false} otherwise
+ */
+ void setPostKnown(Post post, boolean known) {
lock.writeLock().lock();
try {
- recipientPosts.put(recipientId, posts);
+ if (known) {
+ knownPosts.add(post.getId());
+ } else {
+ knownPosts.remove(post.getId());
+ }
} finally {
lock.writeLock().unlock();
}
-
- return posts;
}
- /**
- * Loads the known posts.
- */
+ //
+ // PRIVATE METHODS
+ //
+
+ /** Loads the known posts. */
private void loadKnownPosts() {
lock.writeLock().lock();
try {
* Saves the known posts to the configuration.
*
* @throws DatabaseException
- * if a configuration error occurs
+ * if a configuration error occurs
*/
private void saveKnownPosts() throws DatabaseException {
lock.readLock().lock();
}
/**
- * Loads the known post replies.
+ * Returns all replies by the given Sone.
+ *
+ * @param id
+ * The ID of the Sone
+ * @return The post replies of the Sone, sorted by time (newest first)
*/
+ private Collection<PostReply> getRepliesFrom(String id) {
+ lock.readLock().lock();
+ try {
+ if (sonePostReplies.containsKey(id)) {
+ return Collections.unmodifiableCollection(sonePostReplies.get(id));
+ }
+ return Collections.emptySet();
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
+ /** Loads the known post replies. */
private void loadKnownPostReplies() {
lock.writeLock().lock();
try {
* Saves the known post replies to the configuration.
*
* @throws DatabaseException
- * if a configuration error occurs
+ * if a configuration error occurs
*/
private void saveKnownPostReplies() throws DatabaseException {
lock.readLock().lock();
}
}
+ private Function<String, Iterable<Album>> getAlbum() {
+ return new Function<String, Iterable<Album>>() {
+ @Override
+ public Iterable<Album> apply(String input) {
+ return (input == null) ? Collections.<Album>emptyList() : getAlbum(input).asSet();
+ }
+ };
+ }
+
+ private Function<String, Iterable<Image>> getImage() {
+ return new Function<String, Iterable<Image>>() {
+ @Override
+ public Iterable<Image> apply(String input) {
+ return (input == null) ? Collections.<Image>emptyList() : getImage(input).asSet();
+ }
+ };
+ }
+
+ 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();
+ }
+ };
+ }
+
}
projects / Sone.git / blobdiff