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.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.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.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.ListMultimap;
+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, Sone> sones = new HashMap<String, Sone>();
+
/** All posts by their ID. */
private final Map<String, Post> allPosts = new HashMap<String, Post>();
/** All post replies by their ID. */
private final Map<String, PostReply> allPostReplies = new HashMap<String, PostReply>();
+ /** 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>>();
/** 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;
}
* Saves the database.
*
* @throws DatabaseException
- * if an error occurs while saving
+ * if an error occurs while saving
*/
@Override
public void save() throws DatabaseException {
// SERVICE METHODS
//
- /**
- * {@inheritDocs}
- */
+ /** {@inheritDocs} */
@Override
protected void doStart() {
loadKnownPosts();
notifyStarted();
}
- /**
- * {@inheritDocs}
- */
+ /** {@inheritDocs} */
@Override
protected void doStop() {
try {
}
}
+ @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 null;
+ }
+
//
// POSTPROVIDER METHODS
//
- /**
- * {@inheritDocs}
- */
+ /** {@inheritDocs} */
@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}
- */
+ /** {@inheritDocs} */
@Override
public Collection<Post> getPosts(String soneId) {
return new HashSet<Post>(getPostsFrom(soneId));
}
- /**
- * {@inheritDocs}
- */
+ /** {@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
//
- /**
- * {@inheritDocs}
- */
+ /** {@inheritDocs} */
@Override
public PostBuilder newPostBuilder() {
- return new MemoryPostBuilder(this, soneProvider);
+ return new MemoryPostBuilder(this);
}
//
// POSTSTORE METHODS
//
- /**
- * {@inheritDocs}
- */
+ /** {@inheritDocs} */
@Override
public void storePost(Post post) {
checkNotNull(post, "post must not be null");
}
}
- /**
- * {@inheritDocs}
- */
+ /** {@inheritDocs} */
@Override
public void removePost(Post post) {
checkNotNull(post, "post must not be null");
}
}
- /**
- * {@inheritDocs}
- */
+ /** {@inheritDocs} */
@Override
public void storePosts(Sone sone, Collection<Post> posts) throws IllegalArgumentException {
checkNotNull(sone, "sone must not be null");
}
}
- /**
- * {@inheritDocs}
- */
+ /** {@inheritDocs} */
@Override
public void removePosts(Sone sone) {
checkNotNull(sone, "sone must not be null");
// POSTREPLYPROVIDER METHODS
//
- /**
- * {@inheritDocs}
- */
+ /** {@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}
- */
+ /** {@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
//
- /**
- * {@inheritDocs}
- */
+ /** {@inheritDocs} */
@Override
public PostReplyBuilder newPostReplyBuilder() {
- return new MemoryPostReplyBuilder(this, soneProvider);
+ return new MemoryPostReplyBuilder(this, this);
}
//
// POSTREPLYSTORE METHODS
//
- /**
- * {@inheritDocs}
- */
+ /** {@inheritDocs} */
@Override
public void storePostReply(PostReply postReply) {
lock.writeLock().lock();
}
}
- /**
- * {@inheritDocs}
- */
+ /** {@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);
+ sonePostReplies.put(postReply.getSone().getId(), postReply);
if (this.postReplies.containsKey(postReply.getPostId())) {
this.postReplies.get(postReply.getPostId()).add(postReply);
} else {
}
}
- /**
- * {@inheritDocs}
- */
+ /** {@inheritDocs} */
@Override
public void removePostReply(PostReply postReply) {
lock.writeLock().lock();
}
}
- /**
- * {@inheritDocs}
- */
+ /** {@inheritDocs} */
@Override
public void removePostReplies(Sone sone) {
checkNotNull(sone, "sone must not be null");
}
//
+ // ALBUMPROVDER METHODS
+ //
+
+ @Override
+ public Optional<Album> getAlbum(String albumId) {
+ lock.readLock().lock();
+ try {
+ return fromNullable(allAlbums.get(albumId));
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
+ @Override
+ public List<Album> getAlbums(Album parent) {
+ lock.readLock().lock();
+ try {
+ return from(albumChildren.get(parent.getId())).transformAndConcat(getAlbum()).toList();
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
+ //
+ // ALBUMSTORE METHODS
+ //
+
+ @Override
+ public void storeAlbum(Album album) {
+ lock.writeLock().lock();
+ try {
+ allAlbums.put(album.getId(), album);
+ 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();
+ }
+ }
+
+ //
+ // IMAGEPROVIDER METHODS
+ //
+
+ @Override
+ public Optional<Image> getImage(String imageId) {
+ lock.readLock().lock();
+ try {
+ return fromNullable(allImages.get(imageId));
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
+ @Override
+ public List<Image> getImages(Album parent) {
+ lock.readLock().lock();
+ try {
+ return from(albumImages.get(parent.getId())).transformAndConcat(getImage()).toList();
+ } finally {
+ lock.readLock().unlock();
+ }
+ }
+
+ //
+ // IMAGESTORE METHODS
+ //
+
+ @Override
+ public void storeImage(Image image) {
+ lock.writeLock().lock();
+ try {
+ allImages.put(image.getId(), image);
+ albumImages.put(image.getAlbum().getId(), image.getId());
+ } finally {
+ lock.writeLock().unlock();
+ }
+ }
+
+ @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
//
* Returns whether the given post is known.
*
* @param post
- * The post
+ * The post
* @return {@code true} if the post is known, {@code false} otherwise
*/
boolean isPostKnown(Post post) {
* Sets whether the given post is known.
*
* @param post
- * The post
+ * The post
* @param known
- * {@code true} if the post is known, {@code false} otherwise
+ * {@code true} if the post is known, {@code false} otherwise
*/
void setPostKnown(Post post, boolean known) {
lock.writeLock().lock();
* Returns whether the given post reply is known.
*
* @param postReply
- * The post reply
+ * The post reply
* @return {@code true} if the given post reply is known, {@code false}
* otherwise
*/
* Sets whether the given post reply is known.
*
* @param postReply
- * The post reply
+ * The post reply
* @param known
- * {@code true} if the post reply is known, {@code false}
- * otherwise
+ * {@code true} if the post reply is known, {@code false} otherwise
*/
void setPostReplyKnown(PostReply postReply, boolean known) {
lock.writeLock().lock();
}
}
+ void moveUp(Album album) {
+ lock.writeLock().lock();
+ try {
+ 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();
+ }
+ }
+
+ void moveDown(Album album) {
+ lock.writeLock().lock();
+ try {
+ 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.writeLock().unlock();
+ }
+ }
+
+ 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();
+ }
+ }
+
+ 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();
+ }
+ }
+
//
// PRIVATE METHODS
//
* none yet.
*
* @param soneId
- * The ID of the Sone to get the posts for
+ * The ID of the Sone to get the posts for
* @return All posts
*/
private Collection<Post> getPostsFrom(String soneId) {
}
/**
- * Gets all posts that are directed the given Sone, creating a new
- * collection if there is none yet.
+ * 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
+ * The ID of the Sone to get the posts for
* @return All posts
*/
private Collection<Post> getPostsTo(String recipientId) {
return posts;
}
- /**
- * Loads the known posts.
- */
+ /** 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();
+ }
+ };
+ }
+
}
projects / Sone.git / blobdiff