+++ /dev/null
-/*
- * Sone - MemoryDatabase.java - Copyright © 2013–2016 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 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 net.pterodactylus.sone.data.Reply.TIME_COMPARATOR;
-import static net.pterodactylus.sone.data.Sone.LOCAL_SONE_FILTER;
-import static net.pterodactylus.sone.data.Sone.toAllAlbums;
-import static net.pterodactylus.sone.data.Sone.toAllImages;
-
-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.concurrent.locks.ReadWriteLock;
-import java.util.concurrent.locks.ReentrantReadWriteLock;
-
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-
-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.Sone;
-import net.pterodactylus.sone.data.impl.AlbumBuilderImpl;
-import net.pterodactylus.sone.data.impl.ImageBuilderImpl;
-import net.pterodactylus.sone.database.AlbumBuilder;
-import net.pterodactylus.sone.database.Database;
-import net.pterodactylus.sone.database.DatabaseException;
-import net.pterodactylus.sone.database.ImageBuilder;
-import net.pterodactylus.sone.database.PostBuilder;
-import net.pterodactylus.sone.database.PostDatabase;
-import net.pterodactylus.sone.database.PostReplyBuilder;
-import net.pterodactylus.sone.database.SoneBuilder;
-import net.pterodactylus.util.config.Configuration;
-import net.pterodactylus.util.config.ConfigurationException;
-
-import com.google.common.base.Predicate;
-import com.google.common.collect.HashMultimap;
-import com.google.common.collect.Multimap;
-import com.google.common.collect.SortedSetMultimap;
-import com.google.common.collect.TreeMultimap;
-import com.google.common.util.concurrent.AbstractService;
-import com.google.inject.Inject;
-import com.google.inject.Singleton;
-import kotlin.jvm.functions.Function1;
-
-/**
- * Memory-based {@link PostDatabase} implementation.
- *
- * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
- */
-@Singleton
-public class MemoryDatabase extends AbstractService implements Database {
-
- /** The lock. */
- private final ReadWriteLock lock = new ReentrantReadWriteLock();
-
- /** The configuration. */
- private final Configuration configuration;
- private final ConfigurationLoader configurationLoader;
-
- private final Map<String, Sone> allSones = 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 Multimap<String, Post> sonePosts = 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>();
-
- /** 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);
- }
- }, 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 Multimap<String, Album> soneAlbums = HashMultimap.create();
-
- private final Map<String, Image> allImages = new HashMap<String, Image>();
- private final Multimap<String, Image> soneImages = HashMultimap.create();
-
- private final MemoryBookmarkDatabase memoryBookmarkDatabase;
- private final MemoryFriendDatabase memoryFriendDatabase;
-
- /**
- * Creates a new memory database.
- *
- * @param configuration
- * The configuration for loading and saving elements
- */
- @Inject
- public MemoryDatabase(Configuration configuration) {
- this.configuration = configuration;
- this.configurationLoader = new ConfigurationLoader(configuration);
- memoryBookmarkDatabase =
- new MemoryBookmarkDatabase(this, configurationLoader);
- memoryFriendDatabase = new MemoryFriendDatabase(configurationLoader);
- }
-
- //
- // DATABASE METHODS
- //
-
- /**
- * Saves the database.
- *
- * @throws DatabaseException
- * if an error occurs while saving
- */
- @Override
- public void save() throws DatabaseException {
- saveKnownPosts();
- saveKnownPostReplies();
- }
-
- //
- // SERVICE METHODS
- //
-
- /** {@inheritDocs} */
- @Override
- protected void doStart() {
- memoryBookmarkDatabase.start();
- loadKnownPosts();
- loadKnownPostReplies();
- notifyStarted();
- }
-
- /** {@inheritDocs} */
- @Override
- protected void doStop() {
- try {
- memoryBookmarkDatabase.stop();
- save();
- notifyStopped();
- } catch (DatabaseException de1) {
- notifyFailed(de1);
- }
- }
-
- @Override
- public SoneBuilder newSoneBuilder() {
- return new MemorySoneBuilder(this);
- }
-
- @Override
- public void storeSone(Sone sone) {
- lock.writeLock().lock();
- try {
- removeSone(sone);
-
- allSones.put(sone.getId(), sone);
- sonePosts.putAll(sone.getId(), sone.getPosts());
- for (Post post : sone.getPosts()) {
- allPosts.put(post.getId(), post);
- }
- sonePostReplies.putAll(sone.getId(), sone.getReplies());
- for (PostReply postReply : sone.getReplies()) {
- allPostReplies.put(postReply.getId(), postReply);
- }
- soneAlbums.putAll(sone.getId(), toAllAlbums.apply(sone));
- for (Album album : toAllAlbums.apply(sone)) {
- allAlbums.put(album.getId(), album);
- }
- soneImages.putAll(sone.getId(), toAllImages.apply(sone));
- for (Image image : toAllImages.apply(sone)) {
- allImages.put(image.getId(), image);
- }
- } finally {
- lock.writeLock().unlock();
- }
- }
-
- @Override
- public void removeSone(Sone sone) {
- lock.writeLock().lock();
- try {
- allSones.remove(sone.getId());
- Collection<Post> removedPosts = sonePosts.removeAll(sone.getId());
- for (Post removedPost : removedPosts) {
- allPosts.remove(removedPost.getId());
- }
- Collection<PostReply> removedPostReplies =
- sonePostReplies.removeAll(sone.getId());
- for (PostReply removedPostReply : removedPostReplies) {
- allPostReplies.remove(removedPostReply.getId());
- }
- Collection<Album> removedAlbums =
- soneAlbums.removeAll(sone.getId());
- for (Album removedAlbum : removedAlbums) {
- allAlbums.remove(removedAlbum.getId());
- }
- Collection<Image> removedImages =
- soneImages.removeAll(sone.getId());
- for (Image removedImage : removedImages) {
- allImages.remove(removedImage.getId());
- }
- } finally {
- lock.writeLock().unlock();
- }
- }
-
- @Nonnull
- @Override
- public Function1<String, Sone> getSoneLoader() {
- return new Function1<String, Sone>() {
- @Override
- public Sone invoke(String soneId) {
- return getSone(soneId);
- }
- };
- }
-
- @Override
- public Sone getSone(String soneId) {
- lock.readLock().lock();
- try {
- return allSones.get(soneId);
- } finally {
- lock.readLock().unlock();
- }
- }
-
- @Override
- public Collection<Sone> getSones() {
- lock.readLock().lock();
- try {
- return new HashSet<Sone>(allSones.values());
- } finally {
- lock.readLock().unlock();
- }
- }
-
- @Override
- public Collection<Sone> getLocalSones() {
- lock.readLock().lock();
- try {
- return from(allSones.values()).filter(LOCAL_SONE_FILTER).toSet();
- } finally {
- lock.readLock().unlock();
- }
- }
-
- @Override
- public Collection<Sone> getRemoteSones() {
- lock.readLock().lock();
- try {
- return from(allSones.values())
- .filter(not(LOCAL_SONE_FILTER)) .toSet();
- } finally {
- lock.readLock().unlock();
- }
- }
-
- @Override
- public Collection<String> getFriends(Sone localSone) {
- if (!localSone.isLocal()) {
- return Collections.emptySet();
- }
- return memoryFriendDatabase.getFriends(localSone.getId());
- }
-
- @Override
- public boolean isFriend(Sone localSone, String friendSoneId) {
- if (!localSone.isLocal()) {
- return false;
- }
- return memoryFriendDatabase.isFriend(localSone.getId(), friendSoneId);
- }
-
- @Override
- public void addFriend(Sone localSone, String friendSoneId) {
- if (!localSone.isLocal()) {
- return;
- }
- memoryFriendDatabase.addFriend(localSone.getId(), friendSoneId);
- }
-
- @Override
- public void removeFriend(Sone localSone, String friendSoneId) {
- if (!localSone.isLocal()) {
- return;
- }
- memoryFriendDatabase.removeFriend(localSone.getId(), friendSoneId);
- }
-
- @Nullable
- @Override
- public Long getFollowingTime(@Nonnull String friendSoneId) {
- return memoryFriendDatabase.getFollowingTime(friendSoneId);
- }
-
- //
- // POSTPROVIDER METHODS
- //
-
- @Nullable
- @Override
- public Post getPost(@Nonnull String postId) {
- lock.readLock().lock();
- try {
- return allPosts.get(postId);
- } finally {
- lock.readLock().unlock();
- }
- }
-
- /** {@inheritDocs} */
- @Override
- public Collection<Post> getPosts(String soneId) {
- return new HashSet<Post>(getPostsFrom(soneId));
- }
-
- /** {@inheritDocs} */
- @Override
- public Collection<Post> getDirectedPosts(final String recipientId) {
- lock.readLock().lock();
- try {
- return from(sonePosts.values()).filter(new Predicate<Post>() {
- @Override
- public boolean apply(Post post) {
- return post.getRecipientId().asSet().contains(recipientId);
- }
- }).toSet();
- } finally {
- lock.readLock().unlock();
- }
- }
-
- //
- // POSTBUILDERFACTORY METHODS
- //
-
- /** {@inheritDocs} */
- @Override
- public PostBuilder newPostBuilder() {
- return new MemoryPostBuilder(this, this);
- }
-
- //
- // 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);
- } 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);
- post.getSone().removePost(post);
- } finally {
- lock.writeLock().unlock();
- }
- }
-
- //
- // POSTREPLYPROVIDER METHODS
- //
-
- @Nullable
- @Override
- public PostReply getPostReply(String id) {
- lock.readLock().lock();
- try {
- return allPostReplies.get(id);
- } finally {
- lock.readLock().unlock();
- }
- }
-
- /** {@inheritDocs} */
- @Override
- public List<PostReply> getReplies(final String postId) {
- lock.readLock().lock();
- try {
- return from(allPostReplies.values())
- .filter(new Predicate<PostReply>() {
- @Override
- public boolean apply(PostReply postReply) {
- return postReply.getPostId().equals(postId);
- }
- }).toSortedList(TIME_COMPARATOR);
- } finally {
- lock.readLock().unlock();
- }
- }
-
- //
- // POSTREPLYBUILDERFACTORY METHODS
- //
-
- /** {@inheritDocs} */
- @Override
- public PostReplyBuilder newPostReplyBuilder() {
- return new MemoryPostReplyBuilder(this, this);
- }
-
- //
- // POSTREPLYSTORE METHODS
- //
-
- /** {@inheritDocs} */
- @Override
- public void storePostReply(PostReply postReply) {
- lock.writeLock().lock();
- try {
- allPostReplies.put(postReply.getId(), postReply);
- } finally {
- lock.writeLock().unlock();
- }
- }
-
- /** {@inheritDocs} */
- @Override
- public void removePostReply(PostReply postReply) {
- lock.writeLock().lock();
- try {
- allPostReplies.remove(postReply.getId());
- } finally {
- lock.writeLock().unlock();
- }
- }
-
- //
- // ALBUMPROVDER METHODS
- //
-
- @Nullable
- @Override
- public Album getAlbum(@Nonnull String albumId) {
- lock.readLock().lock();
- try {
- return allAlbums.get(albumId);
- } finally {
- lock.readLock().unlock();
- }
- }
-
- //
- // ALBUMBUILDERFACTORY METHODS
- //
-
- @Override
- public AlbumBuilder newAlbumBuilder() {
- return new AlbumBuilderImpl();
- }
-
- //
- // ALBUMSTORE METHODS
- //
-
- @Override
- public void storeAlbum(Album album) {
- lock.writeLock().lock();
- try {
- allAlbums.put(album.getId(), album);
- soneAlbums.put(album.getSone().getId(), album);
- } finally {
- lock.writeLock().unlock();
- }
- }
-
- @Override
- public void removeAlbum(Album album) {
- lock.writeLock().lock();
- try {
- allAlbums.remove(album.getId());
- soneAlbums.remove(album.getSone().getId(), album);
- } finally {
- lock.writeLock().unlock();
- }
- }
-
- //
- // IMAGEPROVIDER METHODS
- //
-
- @Nullable
- @Override
- public Image getImage(@Nonnull String imageId) {
- lock.readLock().lock();
- try {
- return allImages.get(imageId);
- } finally {
- lock.readLock().unlock();
- }
- }
-
- //
- // IMAGEBUILDERFACTORY METHODS
- //
-
- @Override
- public ImageBuilder newImageBuilder() {
- return new ImageBuilderImpl();
- }
-
- //
- // IMAGESTORE METHODS
- //
-
- @Override
- public void storeImage(Image image) {
- lock.writeLock().lock();
- try {
- allImages.put(image.getId(), image);
- soneImages.put(image.getSone().getId(), image);
- } finally {
- lock.writeLock().unlock();
- }
- }
-
- @Override
- public void removeImage(Image image) {
- lock.writeLock().lock();
- try {
- allImages.remove(image.getId());
- soneImages.remove(image.getSone().getId(), image);
- } finally {
- lock.writeLock().unlock();
- }
- }
-
- @Override
- public void bookmarkPost(Post post) {
- memoryBookmarkDatabase.bookmarkPost(post);
- }
-
- @Override
- public void unbookmarkPost(Post post) {
- memoryBookmarkDatabase.unbookmarkPost(post);
- }
-
- @Override
- public boolean isPostBookmarked(Post post) {
- return memoryBookmarkDatabase.isPostBookmarked(post);
- }
-
- @Override
- public Set<Post> getBookmarkedPosts() {
- return memoryBookmarkDatabase.getBookmarkedPosts();
- }
-
- //
- // PACKAGE-PRIVATE 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) {
- lock.readLock().lock();
- try {
- return knownPosts.contains(post.getId());
- } 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) {
- lock.writeLock().lock();
- try {
- if (known) {
- knownPosts.add(post.getId());
- } else {
- knownPosts.remove(post.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) {
- lock.readLock().lock();
- try {
- return sonePosts.get(soneId);
- } finally {
- lock.readLock().unlock();
- }
- }
-
- /** Loads the known posts. */
- private void loadKnownPosts() {
- Set<String> knownPosts = configurationLoader.loadKnownPosts();
- lock.writeLock().lock();
- try {
- this.knownPosts.clear();
- this.knownPosts.addAll(knownPosts);
- } finally {
- lock.writeLock().unlock();
- }
- }
-
- /**
- * Saves the known posts to the configuration.
- *
- * @throws DatabaseException
- * if a configuration error occurs
- */
- private void saveKnownPosts() throws DatabaseException {
- lock.readLock().lock();
- try {
- int postCounter = 0;
- for (String knownPostId : knownPosts) {
- configuration.getStringValue("KnownPosts/" + postCounter++ + "/ID").setValue(knownPostId);
- }
- configuration.getStringValue("KnownPosts/" + postCounter + "/ID").setValue(null);
- } catch (ConfigurationException ce1) {
- throw new DatabaseException("Could not save database.", ce1);
- } finally {
- lock.readLock().unlock();
- }
- }
-
- /** Loads the known post replies. */
- private void loadKnownPostReplies() {
- Set<String> knownPostReplies = configurationLoader.loadKnownPostReplies();
- lock.writeLock().lock();
- try {
- this.knownPostReplies.clear();
- this.knownPostReplies.addAll(knownPostReplies);
- } finally {
- lock.writeLock().unlock();
- }
- }
-
- /**
- * Saves the known post replies to the configuration.
- *
- * @throws DatabaseException
- * if a configuration error occurs
- */
- private void saveKnownPostReplies() throws DatabaseException {
- lock.readLock().lock();
- try {
- int replyCounter = 0;
- for (String knownReplyId : knownPostReplies) {
- configuration.getStringValue("KnownReplies/" + replyCounter++ + "/ID").setValue(knownReplyId);
- }
- configuration.getStringValue("KnownReplies/" + replyCounter + "/ID").setValue(null);
- } catch (ConfigurationException ce1) {
- throw new DatabaseException("Could not save database.", ce1);
- } finally {
- lock.readLock().unlock();
- }
- }
-
-}
--- /dev/null
+/*
+ * Sone - MemoryDatabase.java - Copyright © 2013–2016 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 com.google.common.base.Preconditions.checkNotNull
+import com.google.common.collect.HashMultimap
+import com.google.common.collect.Multimap
+import com.google.common.collect.TreeMultimap
+import com.google.common.util.concurrent.AbstractService
+import com.google.inject.Inject
+import com.google.inject.Singleton
+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.TIME_COMPARATOR
+import net.pterodactylus.sone.data.Sone
+import net.pterodactylus.sone.data.Sone.toAllAlbums
+import net.pterodactylus.sone.data.Sone.toAllImages
+import net.pterodactylus.sone.data.impl.AlbumBuilderImpl
+import net.pterodactylus.sone.data.impl.ImageBuilderImpl
+import net.pterodactylus.sone.database.AlbumBuilder
+import net.pterodactylus.sone.database.Database
+import net.pterodactylus.sone.database.DatabaseException
+import net.pterodactylus.sone.database.ImageBuilder
+import net.pterodactylus.sone.database.PostBuilder
+import net.pterodactylus.sone.database.PostDatabase
+import net.pterodactylus.sone.database.PostReplyBuilder
+import net.pterodactylus.sone.utils.unit
+import net.pterodactylus.util.config.Configuration
+import net.pterodactylus.util.config.ConfigurationException
+import java.util.concurrent.locks.ReentrantReadWriteLock
+import kotlin.concurrent.withLock
+
+/**
+ * Memory-based [PostDatabase] implementation.
+ *
+ * @author [David ‘Bombe’ Roden](mailto:bombe@pterodactylus.net)
+ */
+@Singleton
+class MemoryDatabase @Inject constructor(private val configuration: Configuration) : AbstractService(), Database {
+
+ private val lock = ReentrantReadWriteLock()
+ private val readLock by lazy { lock.readLock()!! }
+ private val writeLock by lazy { lock.writeLock()!! }
+ private val configurationLoader = ConfigurationLoader(configuration)
+ private val allSones = mutableMapOf<String, Sone>()
+ private val allPosts = mutableMapOf<String, Post>()
+ private val sonePosts: Multimap<String, Post> = HashMultimap.create<String, Post>()
+ private val knownPosts = mutableSetOf<String>()
+ private val allPostReplies = mutableMapOf<String, PostReply>()
+ private val sonePostReplies: Multimap<String, PostReply> = TreeMultimap.create<String, PostReply>(Comparator { leftString, rightString -> leftString.compareTo(rightString) }, TIME_COMPARATOR)
+ private val knownPostReplies = mutableSetOf<String>()
+ private val allAlbums = mutableMapOf<String, Album>()
+ private val soneAlbums: Multimap<String, Album> = HashMultimap.create<String, Album>()
+ private val allImages = mutableMapOf<String, Image>()
+ private val soneImages: Multimap<String, Image> = HashMultimap.create<String, Image>()
+ private val memoryBookmarkDatabase = MemoryBookmarkDatabase(this, configurationLoader)
+ private val memoryFriendDatabase = MemoryFriendDatabase(configurationLoader)
+
+ override val soneLoader get() = this::getSone
+
+ override val sones get() = readLock.withLock { allSones.values.toSet() }
+
+ override val localSones get() = readLock.withLock { allSones.values.filter(Sone::isLocal) }
+
+ override val remoteSones get() = readLock.withLock { allSones.values.filterNot(Sone::isLocal) }
+
+ override val bookmarkedPosts get() = memoryBookmarkDatabase.bookmarkedPosts
+
+ override fun save() {
+ saveKnownPosts()
+ saveKnownPostReplies()
+ }
+
+ override fun doStart() {
+ memoryBookmarkDatabase.start()
+ loadKnownPosts()
+ loadKnownPostReplies()
+ notifyStarted()
+ }
+
+ override fun doStop() {
+ try {
+ memoryBookmarkDatabase.stop()
+ save()
+ notifyStopped()
+ } catch (de1: DatabaseException) {
+ notifyFailed(de1)
+ }
+ }
+
+ override fun newSoneBuilder() = MemorySoneBuilder(this)
+
+ override fun storeSone(sone: Sone) {
+ writeLock.withLock {
+ removeSone(sone)
+
+ allSones[sone.id] = sone
+ sonePosts.putAll(sone.id, sone.posts)
+ for (post in sone.posts) {
+ allPosts[post.id] = post
+ }
+ sonePostReplies.putAll(sone.id, sone.replies)
+ for (postReply in sone.replies) {
+ allPostReplies[postReply.id] = postReply
+ }
+ soneAlbums.putAll(sone.id, toAllAlbums.apply(sone)!!)
+ for (album in toAllAlbums.apply(sone)!!) {
+ allAlbums[album.id] = album
+ }
+ soneImages.putAll(sone.id, toAllImages.apply(sone)!!)
+ for (image in toAllImages.apply(sone)!!) {
+ allImages[image.id] = image
+ }
+ }
+ }
+
+ override fun removeSone(sone: Sone) {
+ writeLock.withLock {
+ allSones.remove(sone.id)
+ val removedPosts = sonePosts.removeAll(sone.id)
+ for (removedPost in removedPosts) {
+ allPosts.remove(removedPost.id)
+ }
+ val removedPostReplies = sonePostReplies.removeAll(sone.id)
+ for (removedPostReply in removedPostReplies) {
+ allPostReplies.remove(removedPostReply.id)
+ }
+ val removedAlbums = soneAlbums.removeAll(sone.id)
+ for (removedAlbum in removedAlbums) {
+ allAlbums.remove(removedAlbum.id)
+ }
+ val removedImages = soneImages.removeAll(sone.id)
+ for (removedImage in removedImages) {
+ allImages.remove(removedImage.id)
+ }
+ }
+ }
+
+ override fun getSone(soneId: String) = readLock.withLock { allSones[soneId] }
+
+ override fun getFriends(localSone: Sone): Collection<String> =
+ if (!localSone.isLocal) {
+ emptySet()
+ } else {
+ memoryFriendDatabase.getFriends(localSone.id)
+ }
+
+ override fun isFriend(localSone: Sone, friendSoneId: String) =
+ if (!localSone.isLocal) {
+ false
+ } else {
+ memoryFriendDatabase.isFriend(localSone.id, friendSoneId)
+ }
+
+ override fun addFriend(localSone: Sone, friendSoneId: String) {
+ if (!localSone.isLocal) {
+ return
+ }
+ memoryFriendDatabase.addFriend(localSone.id, friendSoneId)
+ }
+
+ override fun removeFriend(localSone: Sone, friendSoneId: String) {
+ if (!localSone.isLocal) {
+ return
+ }
+ memoryFriendDatabase.removeFriend(localSone.id, friendSoneId)
+ }
+
+ override fun getFollowingTime(friendSoneId: String) =
+ memoryFriendDatabase.getFollowingTime(friendSoneId)
+
+ override fun getPost(postId: String) =
+ readLock.withLock { allPosts[postId] }
+
+ override fun getPosts(soneId: String): Collection<Post> =
+ sonePosts[soneId].toSet()
+
+ override fun getDirectedPosts(recipientId: String) =
+ readLock.withLock {
+ allPosts.values.filter {
+ it.recipientId.orNull() == recipientId
+ }
+ }
+
+ override fun newPostBuilder(): PostBuilder = MemoryPostBuilder(this, this)
+
+ override fun storePost(post: Post) {
+ checkNotNull(post, "post must not be null")
+ writeLock.withLock {
+ allPosts[post.id] = post
+ sonePosts[post.sone.id].add(post)
+ }
+ }
+
+ override fun removePost(post: Post) {
+ checkNotNull(post, "post must not be null")
+ writeLock.withLock {
+ allPosts.remove(post.id)
+ sonePosts[post.sone.id].remove(post)
+ post.sone.removePost(post)
+ }
+ }
+
+ override fun getPostReply(id: String) = readLock.withLock { allPostReplies[id] }
+
+ override fun getReplies(postId: String) =
+ readLock.withLock {
+ allPostReplies.values
+ .filter { it.postId == postId }
+ .sortedWith(TIME_COMPARATOR)
+ }
+
+ override fun newPostReplyBuilder(): PostReplyBuilder =
+ MemoryPostReplyBuilder(this, this)
+
+ override fun storePostReply(postReply: PostReply) =
+ writeLock.withLock {
+ allPostReplies[postReply.id] = postReply
+ }
+
+ override fun removePostReply(postReply: PostReply) =
+ writeLock.withLock {
+ allPostReplies.remove(postReply.id)
+ }.unit
+
+ override fun getAlbum(albumId: String) = readLock.withLock { allAlbums[albumId] }
+
+ override fun newAlbumBuilder(): AlbumBuilder = AlbumBuilderImpl()
+
+ override fun storeAlbum(album: Album) =
+ writeLock.withLock {
+ allAlbums[album.id] = album
+ soneAlbums.put(album.sone.id, album)
+ }.unit
+
+ override fun removeAlbum(album: Album) =
+ writeLock.withLock {
+ allAlbums.remove(album.id)
+ soneAlbums.remove(album.sone.id, album)
+ }.unit
+
+ override fun getImage(imageId: String) = readLock.withLock { allImages[imageId] }
+
+ override fun newImageBuilder(): ImageBuilder = ImageBuilderImpl()
+
+ override fun storeImage(image: Image): Unit =
+ writeLock.withLock {
+ allImages[image.id] = image
+ soneImages.put(image.sone.id, image)
+ }
+
+ override fun removeImage(image: Image): Unit =
+ writeLock.withLock {
+ allImages.remove(image.id)
+ soneImages.remove(image.sone.id, image)
+ }
+
+ override fun bookmarkPost(post: Post) =
+ memoryBookmarkDatabase.bookmarkPost(post)
+
+ override fun unbookmarkPost(post: Post) =
+ memoryBookmarkDatabase.unbookmarkPost(post)
+
+ override fun isPostBookmarked(post: Post) =
+ memoryBookmarkDatabase.isPostBookmarked(post)
+
+ protected fun isPostKnown(post: Post) = readLock.withLock { post.id in knownPosts }
+
+ protected fun setPostKnown(post: Post, known: Boolean): Unit =
+ writeLock.withLock {
+ if (known)
+ knownPosts.add(post.id)
+ else
+ knownPosts.remove(post.id)
+ }
+
+ protected fun isPostReplyKnown(postReply: PostReply) = readLock.withLock { postReply.id in knownPostReplies }
+
+ protected fun setPostReplyKnown(postReply: PostReply, known: Boolean): Unit =
+ writeLock.withLock {
+ if (known)
+ knownPostReplies.add(postReply.id)
+ else
+ knownPostReplies.remove(postReply.id)
+ }
+
+ private fun loadKnownPosts() =
+ configurationLoader.loadKnownPosts()
+ .let {
+ writeLock.withLock {
+ knownPosts.clear()
+ knownPosts.addAll(it)
+ }
+ }
+
+ private fun saveKnownPosts() =
+ try {
+ readLock.withLock {
+ knownPosts.forEachIndexed { index, knownPostId ->
+ configuration.getStringValue("KnowsPosts/$index/ID").value = knownPostId
+ }
+ configuration.getStringValue("KnownPosts/${knownPosts.size}/ID").value = null
+ }
+ } catch (ce1: ConfigurationException) {
+ throw DatabaseException("Could not save database.", ce1)
+ }
+
+ private fun loadKnownPostReplies(): Unit =
+ configurationLoader.loadKnownPostReplies().let { knownPostReplies ->
+ writeLock.withLock {
+ this.knownPostReplies.clear()
+ this.knownPostReplies.addAll(knownPostReplies)
+ }
+ }
+
+ private fun saveKnownPostReplies() =
+ try {
+ readLock.withLock {
+ knownPostReplies.forEachIndexed { index, knownPostReply ->
+ configuration.getStringValue("KnownReplies/$index/ID").value = knownPostReply
+ }
+ configuration.getStringValue("KnownReplies/${knownPostReplies.size}/ID").value = null
+ }
+ } catch (ce1: ConfigurationException) {
+ throw DatabaseException("Could not save database.", ce1)
+ }
+
+}