/*
- * Sone - Core.java - Copyright © 2010–2016 David Roden
+ * Sone - Core.java - Copyright © 2010–2019 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
import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidParentAlbumFound;
import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidPostFound;
import net.pterodactylus.sone.core.ConfigurationSoneParser.InvalidPostReplyFound;
-import net.pterodactylus.sone.core.SoneChangeDetector.PostProcessor;
-import net.pterodactylus.sone.core.SoneChangeDetector.PostReplyProcessor;
import net.pterodactylus.sone.core.event.ImageInsertFinishedEvent;
+import net.pterodactylus.sone.core.event.InsertionDelayChangedEvent;
import net.pterodactylus.sone.core.event.MarkPostKnownEvent;
import net.pterodactylus.sone.core.event.MarkPostReplyKnownEvent;
import net.pterodactylus.sone.core.event.MarkSoneKnownEvent;
import net.pterodactylus.util.thread.NamedThreadFactory;
import com.google.common.annotations.VisibleForTesting;
-import com.google.common.base.Function;
import com.google.common.base.Optional;
import com.google.common.collect.FluentIterable;
import com.google.common.collect.HashMultimap;
import com.google.common.eventbus.Subscribe;
import com.google.inject.Inject;
import com.google.inject.Singleton;
+import kotlin.jvm.functions.Function1;
/**
* The Sone core.
- *
- * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
*/
@Singleton
public class Core extends AbstractService implements SoneProvider, PostProvider, PostReplyProvider {
/** The trust updater. */
private final WebOfTrustUpdater webOfTrustUpdater;
- /** The times Sones were followed. */
- private final Map<String, Long> soneFollowingTimes = new HashMap<String, Long>();
-
/** Locked local Sones. */
/* synchronize on itself. */
- private final Set<Sone> lockedSones = new HashSet<Sone>();
+ private final Set<Sone> lockedSones = new HashSet<>();
/** Sone inserters. */
/* synchronize access on this on sones. */
- private final Map<Sone, SoneInserter> soneInserters = new HashMap<Sone, SoneInserter>();
+ private final Map<Sone, SoneInserter> soneInserters = new HashMap<>();
/** Sone rescuers. */
/* synchronize access on this on sones. */
- private final Map<Sone, SoneRescuer> soneRescuers = new HashMap<Sone, SoneRescuer>();
+ private final Map<Sone, SoneRescuer> soneRescuers = new HashMap<>();
/** All known Sones. */
- private final Set<String> knownSones = new HashSet<String>();
+ private final Set<String> knownSones = new HashSet<>();
/** The post database. */
private final Database database;
private final Multimap<OwnIdentity, Identity> trustedIdentities = Multimaps.synchronizedSetMultimap(HashMultimap.<OwnIdentity, Identity>create());
/** All temporary images. */
- private final Map<String, TemporaryImage> temporaryImages = new HashMap<String, TemporaryImage>();
+ private final Map<String, TemporaryImage> temporaryImages = new HashMap<>();
/** Ticker for threads that mark own elements as known. */
private final ScheduledExecutorService localElementTicker = Executors.newScheduledThreadPool(1);
* The database
*/
@Inject
- public Core(Configuration configuration, FreenetInterface freenetInterface, IdentityManager identityManager, UpdateChecker updateChecker, WebOfTrustUpdater webOfTrustUpdater, EventBus eventBus, Database database) {
- super("Sone Core");
- this.configuration = configuration;
- this.freenetInterface = freenetInterface;
- this.identityManager = identityManager;
- this.soneDownloader = new SoneDownloaderImpl(this, freenetInterface);
- this.imageInserter = new ImageInserter(freenetInterface, freenetInterface.new InsertTokenSupplier());
- this.updateChecker = updateChecker;
- this.webOfTrustUpdater = webOfTrustUpdater;
- this.eventBus = eventBus;
- this.database = database;
- preferences = new Preferences(eventBus);
- }
-
- @VisibleForTesting
- protected Core(Configuration configuration, FreenetInterface freenetInterface, IdentityManager identityManager, SoneDownloader soneDownloader, ImageInserter imageInserter, UpdateChecker updateChecker, WebOfTrustUpdater webOfTrustUpdater, EventBus eventBus, Database database) {
+ public Core(Configuration configuration, FreenetInterface freenetInterface, IdentityManager identityManager, SoneDownloader soneDownloader, ImageInserter imageInserter, UpdateChecker updateChecker, WebOfTrustUpdater webOfTrustUpdater, EventBus eventBus, Database database) {
super("Sone Core");
this.configuration = configuration;
this.freenetInterface = freenetInterface;
return database.getSones();
}
+ @Nonnull
@Override
- public Function<String, Optional<Sone>> soneLoader() {
- return database.soneLoader();
+ public Function1<String, Sone> getSoneLoader() {
+ return database.getSoneLoader();
}
/**
* Sone
*/
@Override
- public Optional<Sone> getSone(String id) {
+ @Nullable
+ public Sone getSone(@Nonnull String id) {
return database.getSone(id);
}
* @return The Sone with the given ID, or {@code null}
*/
public Sone getLocalSone(String id) {
- Optional<Sone> sone = database.getSone(id);
- if (sone.isPresent() && sone.get().isLocal()) {
- return sone.get();
+ Sone sone = database.getSone(id);
+ if ((sone != null) && sone.isLocal()) {
+ return sone;
}
return null;
}
* @return The Sone with the given ID
*/
public Sone getRemoteSone(String id) {
- return database.getSone(id).orNull();
+ return database.getSone(id);
}
/**
}
/**
- * Returns the time when the given was first followed by any local Sone.
- *
- * @param sone
- * The Sone to get the time for
- * @return The time (in milliseconds since Jan 1, 1970) the Sone has first
- * been followed, or {@link Long#MAX_VALUE}
- */
- public long getSoneFollowingTime(Sone sone) {
- synchronized (soneFollowingTimes) {
- return Optional.fromNullable(soneFollowingTimes.get(sone.getId())).or(Long.MAX_VALUE);
- }
- }
-
- /**
* Returns a post builder.
*
* @return A new post builder
return database.newPostBuilder();
}
- /**
- * {@inheritDoc}
- */
+ @Nullable
@Override
- public Optional<Post> getPost(String postId) {
+ public Post getPost(@Nonnull String postId) {
return database.getPost(postId);
}
/**
* {@inheritDoc}
*/
+ @Nullable
@Override
- public Optional<PostReply> getPostReply(String replyId) {
+ public PostReply getPostReply(String replyId) {
return database.getPostReply(replyId);
}
* @return The Sones that like the given post
*/
public Set<Sone> getLikes(Post post) {
- Set<Sone> sones = new HashSet<Sone>();
+ Set<Sone> sones = new HashSet<>();
for (Sone sone : getSones()) {
if (sone.getLikedPostIds().contains(post.getId())) {
sones.add(sone);
* @return The Sones that like the given reply
*/
public Set<Sone> getLikes(PostReply reply) {
- Set<Sone> sones = new HashSet<Sone>();
+ Set<Sone> sones = new HashSet<>();
for (Sone sone : getSones()) {
if (sone.getLikedReplyIds().contains(reply.getId())) {
sones.add(sone);
*/
@Nullable
public Album getAlbum(@Nonnull String albumId) {
- return database.getAlbum(albumId).orNull();
+ return database.getAlbum(albumId);
}
public ImageBuilder imageBuilder() {
*/
@Nullable
public Image getImage(String imageId, boolean create) {
- Optional<Image> image = database.getImage(imageId);
- if (image.isPresent()) {
- return image.get();
+ Image image = database.getImage(imageId);
+ if (image != null) {
+ return image;
}
if (!create) {
return null;
sone.setClient(new Client("Sone", SonePlugin.getPluginVersion()));
sone.setKnown(true);
SoneInserter soneInserter = new SoneInserter(this, eventBus, freenetInterface, ownIdentity.getId());
+ soneInserter.insertionDelayChanged(new InsertionDelayChangedEvent(preferences.getInsertionDelay()));
eventBus.register(soneInserter);
synchronized (soneInserters) {
soneInserters.put(sone, soneInserter);
}
String property = fromNullable(identity.getProperty("Sone.LatestEdition")).or("0");
long latestEdition = fromNullable(tryParse(property)).or(0L);
- Optional<Sone> existingSone = getSone(identity.getId());
- if (existingSone.isPresent() && existingSone.get().isLocal()) {
- return existingSone.get();
+ Sone existingSone = getSone(identity.getId());
+ if ((existingSone != null )&& existingSone.isLocal()) {
+ return existingSone;
}
- boolean newSone = !existingSone.isPresent();
- Sone sone = !newSone ? existingSone.get() : database.newSoneBuilder().from(identity).build();
+ boolean newSone = existingSone == null;
+ Sone sone = !newSone ? existingSone : database.newSoneBuilder().from(identity).build();
sone.setLatestEdition(latestEdition);
if (newSone) {
synchronized (knownSones) {
}
database.storeSone(sone);
soneDownloader.addSone(sone);
- soneDownloaders.execute(soneDownloader.fetchSoneWithUriAction(sone));
+ soneDownloaders.execute(soneDownloader.fetchSoneAsUskAction(sone));
return sone;
}
checkNotNull(sone, "sone must not be null");
checkNotNull(soneId, "soneId must not be null");
database.addFriend(sone, soneId);
- synchronized (soneFollowingTimes) {
- if (!soneFollowingTimes.containsKey(soneId)) {
- long now = System.currentTimeMillis();
- soneFollowingTimes.put(soneId, now);
- Optional<Sone> followedSone = getSone(soneId);
- if (!followedSone.isPresent()) {
- return;
- }
- for (Post post : followedSone.get().getPosts()) {
- if (post.getTime() < now) {
- markPostKnown(post);
- }
- }
- for (PostReply reply : followedSone.get().getReplies()) {
- if (reply.getTime() < now) {
- markReplyKnown(reply);
- }
- }
+ @SuppressWarnings("ConstantConditions") // we just followed, this can’t be null.
+ long now = database.getFollowingTime(soneId);
+ Sone followedSone = getSone(soneId);
+ if (followedSone == null) {
+ return;
+ }
+ for (Post post : followedSone.getPosts()) {
+ if (post.getTime() < now) {
+ markPostKnown(post);
+ }
+ }
+ for (PostReply reply : followedSone.getReplies()) {
+ if (reply.getTime() < now) {
+ markReplyKnown(reply);
}
}
touchConfiguration();
checkNotNull(sone, "sone must not be null");
checkNotNull(soneId, "soneId must not be null");
database.removeFriend(sone, soneId);
- boolean unfollowedSoneStillFollowed = false;
- for (Sone localSone : getLocalSones()) {
- unfollowedSoneStillFollowed |= localSone.hasFriend(soneId);
- }
- if (!unfollowedSoneStillFollowed) {
- synchronized (soneFollowingTimes) {
- soneFollowingTimes.remove(soneId);
- }
- }
touchConfiguration();
}
* of the age of the given Sone
*/
public void updateSone(final Sone sone, boolean soneRescueMode) {
- Optional<Sone> storedSone = getSone(sone.getId());
- if (storedSone.isPresent()) {
- if (!soneRescueMode && !(sone.getTime() > storedSone.get().getTime())) {
+ Sone storedSone = getSone(sone.getId());
+ if (storedSone != null) {
+ if (!soneRescueMode && !(sone.getTime() > storedSone.getTime())) {
logger.log(Level.FINE, String.format("Downloaded Sone %s is not newer than stored Sone %s.", sone, storedSone));
return;
}
List<Object> events =
- collectEventsForChangesInSone(storedSone.get(), sone);
+ collectEventsForChangesInSone(storedSone, sone);
database.storeSone(sone);
for (Object event : events) {
eventBus.post(event);
}
- sone.setOptions(storedSone.get().getOptions());
- sone.setKnown(storedSone.get().isKnown());
+ sone.setOptions(storedSone.getOptions());
+ sone.setKnown(storedSone.isKnown());
sone.setStatus((sone.getTime() == 0) ? SoneStatus.unknown : SoneStatus.idle);
if (sone.isLocal()) {
touchConfiguration();
}
}
- private List<Object> collectEventsForChangesInSone(Sone oldSone,
- final Sone newSone) {
- final List<Object> events = new ArrayList<Object>();
- SoneChangeDetector soneChangeDetector = new SoneChangeDetector(
- oldSone);
- soneChangeDetector.onNewPosts(new PostProcessor() {
- @Override
- public void processPost(Post post) {
- if (post.getTime() < getSoneFollowingTime(newSone)) {
- post.setKnown(true);
- } else if (!post.isKnown()) {
- events.add(new NewPostFoundEvent(post));
- }
+ private List<Object> collectEventsForChangesInSone(Sone oldSone, Sone newSone) {
+ List<Object> events = new ArrayList<>();
+ SoneComparison soneComparison = new SoneComparison(oldSone, newSone);
+ for (Post newPost : soneComparison.getNewPosts()) {
+ if (newPost.getSone().equals(newSone)) {
+ newPost.setKnown(true);
+ } else if (newPost.getTime() < database.getFollowingTime(newSone.getId())) {
+ newPost.setKnown(true);
+ } else if (!newPost.isKnown()) {
+ events.add(new NewPostFoundEvent(newPost));
}
- });
- soneChangeDetector.onRemovedPosts(new PostProcessor() {
- @Override
- public void processPost(Post post) {
- events.add(new PostRemovedEvent(post));
- }
- });
- soneChangeDetector.onNewPostReplies(new PostReplyProcessor() {
- @Override
- public void processPostReply(PostReply postReply) {
- if (postReply.getTime() < getSoneFollowingTime(newSone)) {
- postReply.setKnown(true);
- } else if (!postReply.isKnown()) {
- events.add(new NewPostReplyFoundEvent(postReply));
- }
- }
- });
- soneChangeDetector.onRemovedPostReplies(new PostReplyProcessor() {
- @Override
- public void processPostReply(PostReply postReply) {
- events.add(new PostReplyRemovedEvent(postReply));
+ }
+ for (Post post : soneComparison.getRemovedPosts()) {
+ events.add(new PostRemovedEvent(post));
+ }
+ for (PostReply postReply : soneComparison.getNewPostReplies()) {
+ if (postReply.getSone().equals(newSone)) {
+ postReply.setKnown(true);
+ } else if (postReply.getTime() < database.getFollowingTime(newSone.getId())) {
+ postReply.setKnown(true);
+ } else if (!postReply.isKnown()) {
+ events.add(new NewPostReplyFoundEvent(postReply));
}
- });
- soneChangeDetector.detectChanges(newSone);
+ }
+ for (PostReply postReply : soneComparison.getRemovedPostReplies()) {
+ events.add(new PostReplyRemovedEvent(postReply));
+ }
return events;
}
identityManager.start();
webOfTrustUpdater.init();
webOfTrustUpdater.start();
- database.start();
+ database.startAsync();
}
/**
}
}
saveConfiguration();
- database.stop();
+ database.stopAsync();
webOfTrustUpdater.stop();
updateChecker.stop();
soneDownloader.stop();
configuration.getStringValue("KnownSone/" + soneCounter + "/ID").setValue(null);
}
- /* save Sone following times. */
- soneCounter = 0;
- synchronized (soneFollowingTimes) {
- for (Entry<String, Long> soneFollowingTime : soneFollowingTimes.entrySet()) {
- configuration.getStringValue("SoneFollowingTimes/" + soneCounter + "/Sone").setValue(soneFollowingTime.getKey());
- configuration.getLongValue("SoneFollowingTimes/" + soneCounter + "/Time").setValue(soneFollowingTime.getValue());
- ++soneCounter;
- }
- configuration.getStringValue("SoneFollowingTimes/" + soneCounter + "/Sone").setValue(null);
- }
-
/* save known posts. */
database.save();
knownSones.add(knownSoneId);
}
}
-
- /* load Sone following times. */
- soneCounter = 0;
- while (true) {
- String soneId = configuration.getStringValue("SoneFollowingTimes/" + soneCounter + "/Sone").getValue(null);
- if (soneId == null) {
- break;
- }
- long time = configuration.getLongValue("SoneFollowingTimes/" + soneCounter + "/Time").getValue(Long.MAX_VALUE);
- synchronized (soneFollowingTimes) {
- soneFollowingTimes.put(soneId, time);
- }
- ++soneCounter;
- }
}
/**
if (sone.isLocal()) {
return;
}
- sone.setLatestEdition(fromNullable(tryParse(identity.getProperty("Sone.LatestEdition"))).or(sone.getLatestEdition()));
+ String newLatestEdition = identity.getProperty("Sone.LatestEdition");
+ if (newLatestEdition != null) {
+ Long parsedNewLatestEdition = tryParse(newLatestEdition);
+ if (parsedNewLatestEdition != null) {
+ sone.setLatestEdition(parsedNewLatestEdition);
+ }
+ }
soneDownloader.addSone(sone);
- soneDownloaders.execute(soneDownloader.fetchSoneAction(sone));
+ soneDownloaders.execute(soneDownloader.fetchSoneAsSskAction(sone));
}
/**
return;
}
}
- Optional<Sone> sone = getSone(identity.getId());
- if (!sone.isPresent()) {
+ Sone sone = getSone(identity.getId());
+ if (sone == null) {
/* TODO - we don’t have the Sone anymore. should this happen? */
return;
}
- for (PostReply postReply : sone.get().getReplies()) {
+ for (PostReply postReply : sone.getReplies()) {
eventBus.post(new PostReplyRemovedEvent(postReply));
}
- for (Post post : sone.get().getPosts()) {
+ for (Post post : sone.getPosts()) {
eventBus.post(new PostRemovedEvent(post));
}
- eventBus.post(new SoneRemovedEvent(sone.get()));
- database.removeSone(sone.get());
+ eventBus.post(new SoneRemovedEvent(sone));
+ database.removeSone(sone);
}
/**
*/
@Subscribe
public void imageInsertFinished(ImageInsertFinishedEvent imageInsertFinishedEvent) {
- logger.log(Level.WARNING, String.format("Image insert finished for %s: %s", imageInsertFinishedEvent.image(), imageInsertFinishedEvent.resultingUri()));
- imageInsertFinishedEvent.image().modify().setKey(imageInsertFinishedEvent.resultingUri().toString()).update();
- deleteTemporaryImage(imageInsertFinishedEvent.image().getId());
+ logger.log(Level.WARNING, String.format("Image insert finished for %s: %s", imageInsertFinishedEvent.getImage(), imageInsertFinishedEvent.getResultingUri()));
+ imageInsertFinishedEvent.getImage().modify().setKey(imageInsertFinishedEvent.getResultingUri().toString()).update();
+ deleteTemporaryImage(imageInsertFinishedEvent.getImage().getId());
touchConfiguration();
}