2 * Sone - MemoryDatabase.java - Copyright © 2013 David Roden
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
18 package net.pterodactylus.sone.database.memory;
20 import static com.google.common.base.Optional.fromNullable;
21 import static com.google.common.base.Preconditions.checkNotNull;
22 import static com.google.common.base.Predicates.not;
23 import static com.google.common.collect.FluentIterable.from;
24 import static java.lang.String.format;
25 import static java.util.logging.Level.WARNING;
26 import static net.pterodactylus.sone.data.Reply.TIME_COMPARATOR;
27 import static net.pterodactylus.sone.data.Sone.LOCAL_SONE_FILTER;
28 import static net.pterodactylus.sone.data.Sone.toAllAlbums;
29 import static net.pterodactylus.sone.data.Sone.toAllImages;
31 import java.util.Collection;
32 import java.util.Collections;
33 import java.util.Comparator;
34 import java.util.HashMap;
35 import java.util.HashSet;
36 import java.util.List;
39 import java.util.concurrent.locks.ReadWriteLock;
40 import java.util.concurrent.locks.ReentrantReadWriteLock;
41 import java.util.logging.Level;
42 import java.util.logging.Logger;
44 import net.pterodactylus.sone.core.ConfigurationSoneParser;
45 import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidAlbumFound;
46 import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidImageFound;
47 import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidParentAlbumFound;
48 import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidPostFound;
49 import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidPostReplyFound;
50 import net.pterodactylus.sone.data.Album;
51 import net.pterodactylus.sone.data.Client;
52 import net.pterodactylus.sone.data.Image;
53 import net.pterodactylus.sone.data.LocalSone;
54 import net.pterodactylus.sone.data.Post;
55 import net.pterodactylus.sone.data.PostReply;
56 import net.pterodactylus.sone.data.Profile;
57 import net.pterodactylus.sone.data.Profile.Field;
58 import net.pterodactylus.sone.data.Sone;
59 import net.pterodactylus.sone.data.Sone.ShowCustomAvatars;
60 import net.pterodactylus.sone.data.impl.AlbumBuilderImpl;
61 import net.pterodactylus.sone.data.impl.ImageBuilderImpl;
62 import net.pterodactylus.sone.database.AlbumBuilder;
63 import net.pterodactylus.sone.database.Database;
64 import net.pterodactylus.sone.database.DatabaseException;
65 import net.pterodactylus.sone.database.ImageBuilder;
66 import net.pterodactylus.sone.database.PostBuilder;
67 import net.pterodactylus.sone.database.PostDatabase;
68 import net.pterodactylus.sone.database.PostReplyBuilder;
69 import net.pterodactylus.sone.database.SoneBuilder;
70 import net.pterodactylus.sone.database.SoneProvider;
71 import net.pterodactylus.sone.freenet.wot.OwnIdentity;
72 import net.pterodactylus.sone.main.SonePlugin;
73 import net.pterodactylus.sone.utils.Optionals;
74 import net.pterodactylus.util.config.Configuration;
75 import net.pterodactylus.util.config.ConfigurationException;
77 import com.google.common.base.Function;
78 import com.google.common.base.Optional;
79 import com.google.common.base.Predicate;
80 import com.google.common.collect.FluentIterable;
81 import com.google.common.collect.HashMultimap;
82 import com.google.common.collect.Multimap;
83 import com.google.common.collect.SortedSetMultimap;
84 import com.google.common.collect.TreeMultimap;
85 import com.google.common.primitives.Longs;
86 import com.google.common.util.concurrent.AbstractService;
87 import com.google.inject.Inject;
88 import com.google.inject.Singleton;
91 * Memory-based {@link PostDatabase} implementation.
93 * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
96 public class MemoryDatabase extends AbstractService implements Database {
98 private static final Logger logger = Logger.getLogger("Sone.Database.Memory");
99 private static final String LATEST_EDITION_PROPERTY = "Sone.LatestEdition";
101 private final ReadWriteLock lock = new ReentrantReadWriteLock();
103 /** The Sone provider. */
104 private final SoneProvider soneProvider;
106 /** The configuration. */
107 private final Configuration configuration;
108 private final ConfigurationLoader configurationLoader;
110 private final Set<String> localSones = new HashSet<String>();
111 private final Map<String, Sone> allSones = new HashMap<String, Sone>();
112 private final Map<String, String> lastInsertFingerprints = new HashMap<String, String>();
114 /** All post replies by their ID. */
115 private final Map<String, PostReply> allPostReplies = new HashMap<String, PostReply>();
117 /** Replies sorted by Sone. */
118 private final SortedSetMultimap<String, PostReply> sonePostReplies = TreeMultimap.create(new Comparator<String>() {
121 public int compare(String leftString, String rightString) {
122 return leftString.compareTo(rightString);
126 /** Whether post replies are known. */
127 private final Set<String> knownPostReplies = new HashSet<String>();
129 private final Map<String, Album> allAlbums = new HashMap<String, Album>();
130 private final Multimap<String, Album> soneAlbums = HashMultimap.create();
132 private final Map<String, Image> allImages = new HashMap<String, Image>();
133 private final Multimap<String, Image> soneImages = HashMultimap.create();
135 private final MemorySoneDatabase soneDatabase;
136 private final MemoryPostDatabase postDatabase;
137 private final MemoryBookmarkDatabase memoryBookmarkDatabase;
138 private final MemoryFriendDatabase memoryFriendDatabase;
141 * Creates a new memory database.
143 * @param soneProvider
145 * @param configuration
146 * The configuration for loading and saving elements
149 public MemoryDatabase(SoneProvider soneProvider, Configuration configuration) {
150 this.soneProvider = soneProvider;
151 this.configuration = configuration;
152 this.configurationLoader = new ConfigurationLoader(configuration);
153 soneDatabase = new MemorySoneDatabase(configurationLoader);
154 postDatabase = new MemoryPostDatabase(this, configurationLoader);
155 memoryBookmarkDatabase =
156 new MemoryBookmarkDatabase(this, configurationLoader);
157 memoryFriendDatabase = new MemoryFriendDatabase(configurationLoader);
165 public Optional<LocalSone> getLocalSone(String localSoneId) {
166 lock.readLock().lock();
168 if (!localSones.contains(localSoneId)) {
169 return Optional.absent();
171 return Optional.of((LocalSone) allSones.get(localSoneId));
173 lock.readLock().unlock();
178 public LocalSone registerLocalSone(OwnIdentity ownIdentity) {
179 final LocalSone localSone = loadLocalSone(ownIdentity);
180 localSones.add(ownIdentity.getId());
184 private LocalSone loadLocalSone(OwnIdentity ownIdentity) {
185 LocalSone localSone = (LocalSone) newSoneBuilder().local().from(ownIdentity).build();
186 localSone.setLatestEdition(
187 Optional.fromNullable(
188 Longs.tryParse(ownIdentity.getProperty(LATEST_EDITION_PROPERTY)))
190 localSone.setClient(new Client("Sone", SonePlugin.VERSION.toString()));
191 localSone.setKnown(true);
197 public void loadSone(LocalSone sone) {
198 long soneTime = configurationLoader.getLocalSoneTime(sone.getId());
199 if (soneTime == -1) {
204 ConfigurationSoneParser configurationSoneParser = new ConfigurationSoneParser(configuration, sone);
205 Profile profile = configurationSoneParser.parseProfile();
208 Collection<Post> posts;
210 posts = configurationSoneParser.parsePosts(this);
211 } catch (InvalidPostFound ipf) {
212 logger.log(Level.WARNING, "Invalid post found, aborting load!");
217 Collection<PostReply> postReplies;
219 postReplies = configurationSoneParser.parsePostReplies(this);
220 } catch (InvalidPostReplyFound iprf) {
221 logger.log(Level.WARNING, "Invalid reply found, aborting load!");
225 /* load post likes. */
226 Set<String> likedPostIds = configurationSoneParser.parseLikedPostIds();
228 /* load reply likes. */
229 Set<String> likedReplyIds = configurationSoneParser.parseLikedPostReplyIds();
232 List<Album> topLevelAlbums;
234 topLevelAlbums = configurationSoneParser.parseTopLevelAlbums(this);
235 } catch (InvalidAlbumFound iaf) {
236 logger.log(Level.WARNING, "Invalid album found, aborting load!");
238 } catch (InvalidParentAlbumFound ipaf) {
239 logger.log(Level.WARNING,
240 format("Invalid parent album ID: %s", ipaf.getAlbumParentId()));
246 configurationSoneParser.parseImages(this);
247 } catch (InvalidImageFound iif) {
248 logger.log(WARNING, "Invalid image found, aborting load!");
250 } catch (InvalidParentAlbumFound ipaf) {
251 logger.log(Level.WARNING,
252 format("Invalid album image (%s) encountered, aborting load!",
253 ipaf.getAlbumParentId()));
258 String sonePrefix = "Sone/" + sone.getId();
259 String avatarId = configuration.getStringValue(sonePrefix + "/Profile/Avatar").getValue(null);
260 if (avatarId != null) {
261 final Map<String, Image> images = configurationSoneParser.getImages();
262 profile.setAvatar(images.get(avatarId));
266 sone.getOptions().setAutoFollow(configuration.getBooleanValue(sonePrefix + "/Options/AutoFollow").getValue(null));
267 sone.getOptions().setSoneInsertNotificationEnabled(configuration.getBooleanValue(sonePrefix + "/Options/EnableSoneInsertNotifications").getValue(null));
268 sone.getOptions().setShowNewSoneNotifications(configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewSones").getValue(null));
269 sone.getOptions().setShowNewPostNotifications(configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewPosts").getValue(null));
270 sone.getOptions().setShowNewReplyNotifications(configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewReplies").getValue(null));
271 sone.getOptions().setShowCustomAvatars(ShowCustomAvatars.valueOf(
272 configuration.getStringValue(sonePrefix + "/Options/ShowCustomAvatars")
273 .getValue(ShowCustomAvatars.NEVER.name())));
275 /* if we’re still here, Sone was loaded successfully. */
276 lock.writeLock().lock();
278 updateSoneTime(sone, soneTime);
279 sone.setProfile(profile);
280 sone.setLikePostIds(likedPostIds);
281 sone.setLikeReplyIds(likedReplyIds);
283 String lastInsertFingerprint = configurationLoader.getLastInsertFingerprint(sone.getId());
284 lastInsertFingerprints.put(sone.getId(), lastInsertFingerprint);
286 allSones.put(sone.getId(), sone);
287 storePosts(sone.getId(), posts);
288 storePostReplies(sone.getId(), postReplies);
289 storeAlbums(sone.getId(), topLevelAlbums);
290 storeImages(sone.getId(), from(topLevelAlbums).transformAndConcat(Album.FLATTENER).transformAndConcat(Album.IMAGES).toList());
292 lock.writeLock().unlock();
294 for (Post post : posts) {
297 for (PostReply reply : postReplies) {
298 reply.setKnown(true);
301 logger.info(String.format("Sone loaded successfully: %s", sone));
305 public String getLastInsertFingerprint(Sone sone) {
306 lock.readLock().lock();
308 if (!lastInsertFingerprints.containsKey(sone.getId())) {
311 return lastInsertFingerprints.get(sone.getId());
313 lock.readLock().unlock();
318 public void setLastInsertFingerprint(Sone sone, String lastInsertFingerprint) {
319 lock.writeLock().lock();
321 lastInsertFingerprints.put(sone.getId(), lastInsertFingerprint);
323 lock.writeLock().unlock();
328 * Saves the database.
330 * @throws DatabaseException
331 * if an error occurs while saving
334 public void save() throws DatabaseException {
335 lock.writeLock().lock();
337 saveKnownPostReplies();
338 for (Sone localSone : from(localSones).transform(soneLoader()).transform(Optionals.<Sone>get())) {
342 lock.writeLock().unlock();
346 private synchronized void saveSone(Sone sone) {
347 logger.log(Level.INFO, String.format("Saving Sone: %s", sone));
349 /* save Sone into configuration. */
350 String sonePrefix = "Sone/" + sone.getId();
351 configuration.getLongValue(sonePrefix + "/Time").setValue(sone.getTime());
352 configuration.getStringValue(sonePrefix + "/LastInsertFingerprint").setValue(lastInsertFingerprints.get(sone.getId()));
355 Profile profile = sone.getProfile();
356 configuration.getStringValue(sonePrefix + "/Profile/FirstName").setValue(profile.getFirstName());
357 configuration.getStringValue(sonePrefix + "/Profile/MiddleName").setValue(profile.getMiddleName());
358 configuration.getStringValue(sonePrefix + "/Profile/LastName").setValue(profile.getLastName());
359 configuration.getIntValue(sonePrefix + "/Profile/BirthDay").setValue(profile.getBirthDay());
360 configuration.getIntValue(sonePrefix + "/Profile/BirthMonth").setValue(profile.getBirthMonth());
361 configuration.getIntValue(sonePrefix + "/Profile/BirthYear").setValue(profile.getBirthYear());
362 configuration.getStringValue(sonePrefix + "/Profile/Avatar").setValue(profile.getAvatar());
364 /* save profile fields. */
365 int fieldCounter = 0;
366 for (Field profileField : profile.getFields()) {
367 String fieldPrefix = sonePrefix + "/Profile/Fields/" + fieldCounter++;
368 configuration.getStringValue(fieldPrefix + "/Name").setValue(profileField.getName());
369 configuration.getStringValue(fieldPrefix + "/Value").setValue(profileField.getValue());
371 configuration.getStringValue(sonePrefix + "/Profile/Fields/" + fieldCounter + "/Name").setValue(null);
375 for (Post post : sone.getPosts()) {
376 String postPrefix = sonePrefix + "/Posts/" + postCounter++;
377 configuration.getStringValue(postPrefix + "/ID").setValue(post.getId());
378 configuration.getStringValue(postPrefix + "/Recipient").setValue(post.getRecipientId().orNull());
379 configuration.getLongValue(postPrefix + "/Time").setValue(post.getTime());
380 configuration.getStringValue(postPrefix + "/Text").setValue(post.getText());
382 configuration.getStringValue(sonePrefix + "/Posts/" + postCounter + "/ID").setValue(null);
385 int replyCounter = 0;
386 for (PostReply reply : sone.getReplies()) {
387 String replyPrefix = sonePrefix + "/Replies/" + replyCounter++;
388 configuration.getStringValue(replyPrefix + "/ID").setValue(reply.getId());
389 configuration.getStringValue(replyPrefix + "/Post/ID").setValue(reply.getPostId());
390 configuration.getLongValue(replyPrefix + "/Time").setValue(reply.getTime());
391 configuration.getStringValue(replyPrefix + "/Text").setValue(reply.getText());
393 configuration.getStringValue(sonePrefix + "/Replies/" + replyCounter + "/ID").setValue(null);
395 /* save post likes. */
396 int postLikeCounter = 0;
397 for (String postId : sone.getLikedPostIds()) {
398 configuration.getStringValue(sonePrefix + "/Likes/Post/" + postLikeCounter++ + "/ID").setValue(postId);
400 configuration.getStringValue(sonePrefix + "/Likes/Post/" + postLikeCounter + "/ID").setValue(null);
402 /* save reply likes. */
403 int replyLikeCounter = 0;
404 for (String replyId : sone.getLikedReplyIds()) {
405 configuration.getStringValue(sonePrefix + "/Likes/Reply/" + replyLikeCounter++ + "/ID").setValue(replyId);
407 configuration.getStringValue(sonePrefix + "/Likes/Reply/" + replyLikeCounter + "/ID").setValue(null);
409 /* save albums. first, collect in a flat structure, top-level first. */
410 List<Album> albums = FluentIterable.from(sone.getRootAlbum().getAlbums()).transformAndConcat(Album.FLATTENER).toList();
412 int albumCounter = 0;
413 for (Album album : albums) {
414 String albumPrefix = sonePrefix + "/Albums/" + albumCounter++;
415 configuration.getStringValue(albumPrefix + "/ID").setValue(album.getId());
416 configuration.getStringValue(albumPrefix + "/Title").setValue(album.getTitle());
417 configuration.getStringValue(albumPrefix + "/Description").setValue(album.getDescription());
418 configuration.getStringValue(albumPrefix + "/Parent").setValue(album.getParent().equals(sone.getRootAlbum()) ? null : album.getParent().getId());
419 configuration.getStringValue(albumPrefix + "/AlbumImage").setValue(album.getAlbumImage() == null ? null : album.getAlbumImage().getId());
421 configuration.getStringValue(sonePrefix + "/Albums/" + albumCounter + "/ID").setValue(null);
424 int imageCounter = 0;
425 for (Album album : albums) {
426 for (Image image : album.getImages()) {
427 if (!image.isInserted()) {
430 String imagePrefix = sonePrefix + "/Images/" + imageCounter++;
431 configuration.getStringValue(imagePrefix + "/ID").setValue(image.getId());
432 configuration.getStringValue(imagePrefix + "/Album").setValue(album.getId());
433 configuration.getStringValue(imagePrefix + "/Key").setValue(image.getKey());
434 configuration.getStringValue(imagePrefix + "/Title").setValue(image.getTitle());
435 configuration.getStringValue(imagePrefix + "/Description").setValue(image.getDescription());
436 configuration.getLongValue(imagePrefix + "/CreationTime").setValue(image.getCreationTime());
437 configuration.getIntValue(imagePrefix + "/Width").setValue(image.getWidth());
438 configuration.getIntValue(imagePrefix + "/Height").setValue(image.getHeight());
441 configuration.getStringValue(sonePrefix + "/Images/" + imageCounter + "/ID").setValue(null);
444 configuration.getBooleanValue(sonePrefix + "/Options/AutoFollow").setValue(sone.getOptions().isAutoFollow());
445 configuration.getBooleanValue(sonePrefix + "/Options/EnableSoneInsertNotifications").setValue(sone.getOptions().isSoneInsertNotificationEnabled());
446 configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewSones").setValue(sone.getOptions().isShowNewSoneNotifications());
447 configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewPosts").setValue(sone.getOptions().isShowNewPostNotifications());
448 configuration.getBooleanValue(sonePrefix + "/Options/ShowNotification/NewReplies").setValue(sone.getOptions().isShowNewReplyNotifications());
449 configuration.getStringValue(sonePrefix + "/Options/ShowCustomAvatars").setValue(sone.getOptions().getShowCustomAvatars().name());
451 configuration.save();
453 logger.log(Level.INFO, String.format("Sone %s saved.", sone));
454 } catch (ConfigurationException ce1) {
455 logger.log(Level.WARNING, String.format("Could not save Sone: %s", sone), ce1);
463 /** {@inheritDocs} */
465 protected void doStart() {
466 soneDatabase.start();
467 memoryFriendDatabase.start();
468 postDatabase.start();
469 memoryBookmarkDatabase.start();
470 loadKnownPostReplies();
474 /** {@inheritDocs} */
476 protected void doStop() {
479 memoryFriendDatabase.stop();
481 memoryBookmarkDatabase.stop();
484 } catch (DatabaseException de1) {
490 public SoneBuilder newSoneBuilder() {
491 return new MemorySoneBuilder(this);
495 public void storeSone(Sone sone) {
496 lock.writeLock().lock();
500 allSones.put(sone.getId(), sone);
501 storePosts(sone.getId(), sone.getPosts());
502 storePostReplies(sone.getId(), sone.getReplies());
503 storeAlbums(sone.getId(), toAllAlbums.apply(sone));
504 storeImages(sone.getId(), toAllImages.apply(sone));
506 lock.writeLock().unlock();
511 public boolean isSoneKnown(Sone sone) {
512 return soneDatabase.isKnownSone(sone.getId());
516 public void setSoneKnown(Sone sone) {
517 soneDatabase.setSoneKnown(sone.getId());
521 public void updateSoneTime(Sone sone, long soneTime) {
522 soneDatabase.updateSoneTime(sone.getId(), soneTime);
525 private void storePosts(String soneId, Collection<Post> posts) {
526 postDatabase.storePosts(soneId, posts);
529 private void storePostReplies(String soneId, Collection<PostReply> postReplies) {
530 sonePostReplies.putAll(soneId, postReplies);
531 for (PostReply postReply : postReplies) {
532 allPostReplies.put(postReply.getId(), postReply);
536 private void storeAlbums(String soneId, Collection<Album> albums) {
537 soneAlbums.putAll(soneId, albums);
538 for (Album album : albums) {
539 allAlbums.put(album.getId(), album);
543 private void storeImages(String soneId, Collection<Image> images) {
544 soneImages.putAll(soneId, images);
545 for (Image image : images) {
546 allImages.put(image.getId(), image);
551 public void removeSone(Sone sone) {
552 lock.writeLock().lock();
554 allSones.remove(sone.getId());
555 postDatabase.removePostsFor(sone.getId());
556 Collection<PostReply> removedPostReplies =
557 sonePostReplies.removeAll(sone.getId());
558 for (PostReply removedPostReply : removedPostReplies) {
559 allPostReplies.remove(removedPostReply.getId());
561 Collection<Album> removedAlbums =
562 soneAlbums.removeAll(sone.getId());
563 for (Album removedAlbum : removedAlbums) {
564 allAlbums.remove(removedAlbum.getId());
566 Collection<Image> removedImages =
567 soneImages.removeAll(sone.getId());
568 for (Image removedImage : removedImages) {
569 allImages.remove(removedImage.getId());
572 lock.writeLock().unlock();
577 public Function<String, Optional<Sone>> soneLoader() {
578 return new Function<String, Optional<Sone>>() {
580 public Optional<Sone> apply(String soneId) {
581 return getSone(soneId);
587 public Optional<Sone> getSone(String soneId) {
588 lock.readLock().lock();
590 return fromNullable(allSones.get(soneId));
592 lock.readLock().unlock();
597 public Collection<Sone> getSones() {
598 lock.readLock().lock();
600 return new HashSet<Sone>(allSones.values());
602 lock.readLock().unlock();
607 public Collection<LocalSone> getLocalSones() {
608 lock.readLock().lock();
610 return from(allSones.values()).filter(LOCAL_SONE_FILTER).transform(new Function<Sone, LocalSone>() {
612 public LocalSone apply(Sone sone) {
613 // FIXME – Sones will not always implement LocalSone
614 return (LocalSone) sone;
618 lock.readLock().unlock();
623 public Collection<Sone> getRemoteSones() {
624 lock.readLock().lock();
626 return from(allSones.values())
627 .filter(not(LOCAL_SONE_FILTER)) .toSet();
629 lock.readLock().unlock();
634 public Collection<String> getFriends(LocalSone localSone) {
635 if (!localSone.isLocal()) {
636 return Collections.emptySet();
638 return memoryFriendDatabase.getFriends(localSone.getId());
642 public Optional<Long> getSoneFollowingTime(String remoteSoneId) {
643 return memoryFriendDatabase.getSoneFollowingTime(remoteSoneId);
647 public boolean isFriend(LocalSone localSone, String friendSoneId) {
648 if (!localSone.isLocal()) {
651 return memoryFriendDatabase.isFriend(localSone.getId(), friendSoneId);
655 public void addFriend(LocalSone localSone, String friendSoneId) {
656 memoryFriendDatabase.addFriend(localSone.getId(), friendSoneId);
660 public void removeFriend(LocalSone localSone, String friendSoneId) {
661 memoryFriendDatabase.removeFriend(localSone.getId(), friendSoneId);
665 // POSTPROVIDER METHODS
668 /** {@inheritDocs} */
670 public Optional<Post> getPost(String postId) {
671 return postDatabase.getPost(postId);
674 /** {@inheritDocs} */
676 public Collection<Post> getPosts(String soneId) {
677 return new HashSet<Post>(getPostsFrom(soneId));
680 /** {@inheritDocs} */
682 public Collection<Post> getDirectedPosts(final String recipientId) {
683 return postDatabase.getDirectedPosts(recipientId);
687 // POSTBUILDERFACTORY METHODS
690 /** {@inheritDocs} */
692 public PostBuilder newPostBuilder() {
693 return new MemoryPostBuilder(this, soneProvider);
700 /** {@inheritDocs} */
702 public void storePost(Post post) {
703 checkNotNull(post, "post must not be null");
704 postDatabase.storePost(post);
707 /** {@inheritDocs} */
709 public void removePost(Post post) {
710 checkNotNull(post, "post must not be null");
711 postDatabase.removePost(post.getId());
715 // POSTREPLYPROVIDER METHODS
718 /** {@inheritDocs} */
720 public Optional<PostReply> getPostReply(String id) {
721 lock.readLock().lock();
723 return fromNullable(allPostReplies.get(id));
725 lock.readLock().unlock();
729 /** {@inheritDocs} */
731 public List<PostReply> getReplies(final String postId) {
732 lock.readLock().lock();
734 return from(allPostReplies.values())
735 .filter(new Predicate<PostReply>() {
737 public boolean apply(PostReply postReply) {
738 return postReply.getPostId().equals(postId);
740 }).toSortedList(TIME_COMPARATOR);
742 lock.readLock().unlock();
747 // POSTREPLYBUILDERFACTORY METHODS
750 /** {@inheritDocs} */
752 public PostReplyBuilder newPostReplyBuilder() {
753 return new MemoryPostReplyBuilder(this, soneProvider);
757 // POSTREPLYSTORE METHODS
760 /** {@inheritDocs} */
762 public void storePostReply(PostReply postReply) {
763 lock.writeLock().lock();
765 allPostReplies.put(postReply.getId(), postReply);
767 lock.writeLock().unlock();
771 /** {@inheritDocs} */
773 public void removePostReply(PostReply postReply) {
774 lock.writeLock().lock();
776 allPostReplies.remove(postReply.getId());
778 lock.writeLock().unlock();
783 // ALBUMPROVDER METHODS
787 public Optional<Album> getAlbum(String albumId) {
788 lock.readLock().lock();
790 return fromNullable(allAlbums.get(albumId));
792 lock.readLock().unlock();
797 // ALBUMBUILDERFACTORY METHODS
801 public AlbumBuilder newAlbumBuilder() {
802 return new AlbumBuilderImpl();
806 // ALBUMSTORE METHODS
810 public void storeAlbum(Album album) {
811 lock.writeLock().lock();
813 allAlbums.put(album.getId(), album);
814 soneAlbums.put(album.getSone().getId(), album);
816 lock.writeLock().unlock();
821 public void removeAlbum(Album album) {
822 lock.writeLock().lock();
824 allAlbums.remove(album.getId());
825 soneAlbums.remove(album.getSone().getId(), album);
827 lock.writeLock().unlock();
832 // IMAGEPROVIDER METHODS
836 public Optional<Image> getImage(String imageId) {
837 lock.readLock().lock();
839 return fromNullable(allImages.get(imageId));
841 lock.readLock().unlock();
846 // IMAGEBUILDERFACTORY METHODS
850 public ImageBuilder newImageBuilder() {
851 return new ImageBuilderImpl();
855 // IMAGESTORE METHODS
859 public void storeImage(Image image) {
860 lock.writeLock().lock();
862 allImages.put(image.getId(), image);
863 soneImages.put(image.getSone().getId(), image);
865 lock.writeLock().unlock();
870 public void removeImage(Image image) {
871 lock.writeLock().lock();
873 allImages.remove(image.getId());
874 soneImages.remove(image.getSone().getId(), image);
876 lock.writeLock().unlock();
881 public void bookmarkPost(Post post) {
882 memoryBookmarkDatabase.bookmarkPost(post);
886 public void unbookmarkPost(Post post) {
887 memoryBookmarkDatabase.unbookmarkPost(post);
891 public boolean isPostBookmarked(Post post) {
892 return memoryBookmarkDatabase.isPostBookmarked(post);
896 public Set<Post> getBookmarkedPosts() {
897 return memoryBookmarkDatabase.getBookmarkedPosts();
901 // PACKAGE-PRIVATE METHODS
905 * Returns whether the given post is known.
909 * @return {@code true} if the post is known, {@code false} otherwise
911 boolean isPostKnown(Post post) {
912 return postDatabase.isPostKnown(post.getId());
916 * Sets whether the given post is known.
921 * {@code true} if the post is known, {@code false} otherwise
923 void setPostKnown(Post post, boolean known) {
924 postDatabase.setPostKnown(post.getId(), known);
928 * Returns whether the given post reply is known.
932 * @return {@code true} if the given post reply is known, {@code false}
935 boolean isPostReplyKnown(PostReply postReply) {
936 lock.readLock().lock();
938 return knownPostReplies.contains(postReply.getId());
940 lock.readLock().unlock();
945 * Sets whether the given post reply is known.
950 * {@code true} if the post reply is known, {@code false} otherwise
952 void setPostReplyKnown(PostReply postReply, boolean known) {
953 lock.writeLock().lock();
956 knownPostReplies.add(postReply.getId());
958 knownPostReplies.remove(postReply.getId());
961 lock.writeLock().unlock();
970 * Gets all posts for the given Sone, creating a new collection if there is
974 * The ID of the Sone to get the posts for
977 private Collection<Post> getPostsFrom(String soneId) {
978 return postDatabase.getPostsFrom(soneId);
981 /** Loads the known post replies. */
982 private void loadKnownPostReplies() {
983 Set<String> knownPostReplies = configurationLoader.loadKnownPostReplies();
984 lock.writeLock().lock();
986 this.knownPostReplies.clear();
987 this.knownPostReplies.addAll(knownPostReplies);
989 lock.writeLock().unlock();
994 * Saves the known post replies to the configuration.
996 * @throws DatabaseException
997 * if a configuration error occurs
999 private void saveKnownPostReplies() throws DatabaseException {
1000 lock.readLock().lock();
1002 int replyCounter = 0;
1003 for (String knownReplyId : knownPostReplies) {
1004 configuration.getStringValue("KnownReplies/" + replyCounter++ + "/ID").setValue(
1007 configuration.getStringValue("KnownReplies/" + replyCounter + "/ID").setValue(null);
1008 } catch (ConfigurationException ce1) {
1009 throw new DatabaseException("Could not save database.", ce1);
1011 lock.readLock().unlock();