/*
- * Sone - SoneInserter.java - Copyright © 2010–2012 David Roden
+ * Sone - SoneInserter.java - Copyright © 2010–2013 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
package net.pterodactylus.sone.core;
+import static com.google.common.base.Preconditions.checkArgument;
+import static java.lang.System.currentTimeMillis;
+import static net.pterodactylus.sone.data.Album.NOT_EMPTY;
+
import java.io.InputStreamReader;
import java.io.StringWriter;
import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
+import java.util.concurrent.atomic.AtomicInteger;
import java.util.logging.Level;
import java.util.logging.Logger;
import net.pterodactylus.sone.core.event.SoneInsertAbortedEvent;
import net.pterodactylus.sone.core.event.SoneInsertedEvent;
import net.pterodactylus.sone.core.event.SoneInsertingEvent;
+import net.pterodactylus.sone.data.Album;
import net.pterodactylus.sone.data.Post;
import net.pterodactylus.sone.data.Reply;
import net.pterodactylus.sone.data.Sone;
import net.pterodactylus.util.template.TemplateParser;
import net.pterodactylus.util.template.XmlFilter;
+import com.google.common.collect.FluentIterable;
import com.google.common.collect.Ordering;
import com.google.common.eventbus.EventBus;
private static final Logger logger = Logging.getLogger(SoneInserter.class);
/** The insertion delay (in seconds). */
- private static volatile int insertionDelay = 60;
+ private static final AtomicInteger insertionDelay = new AtomicInteger(60);
/** The template factory used to create the templates. */
private static final TemplateContextFactory templateContextFactory = new TemplateContextFactory();
/** The Freenet interface. */
private final FreenetInterface freenetInterface;
- /** The Sone to insert. */
- private final Sone sone;
-
- /** Whether a modification has been detected. */
- private volatile boolean modified = false;
+ private final SoneModificationDetector soneModificationDetector;
- /** The fingerprint of the last insert. */
- private volatile String lastInsertFingerprint;
+ /** The Sone to insert. */
+ private volatile Sone sone;
/**
* Creates a new Sone inserter.
this.eventBus = eventBus;
this.freenetInterface = freenetInterface;
this.sone = sone;
+ this.soneModificationDetector = new SoneModificationDetector(core, sone, insertionDelay);
}
//
//
/**
- * Changes the insertion delay, i.e. the time the Sone inserter waits after
- * it has noticed a Sone modification before it starts the insert.
+ * Sets the Sone to insert.
+ *
+ * @param sone
+ * The Sone to insert
+ * @return This Sone inserter
+ */
+ public SoneInserter setSone(Sone sone) {
+ checkArgument((this.sone == null) || sone.equals(this.sone), "Sone to insert can not be set to a different Sone");
+ this.sone = sone;
+ return this;
+ }
+
+ /**
+ * Changes the insertion delay, i.e. the time the Sone inserter waits after it
+ * has noticed a Sone modification before it starts the insert.
*
* @param insertionDelay
* The insertion delay (in seconds)
*/
public static void setInsertionDelay(int insertionDelay) {
- SoneInserter.insertionDelay = insertionDelay;
+ SoneInserter.insertionDelay.set(insertionDelay);
}
/**
* @return The fingerprint of the last insert
*/
public String getLastInsertFingerprint() {
- return lastInsertFingerprint;
+ return soneModificationDetector.getOriginalFingerprint();
}
/**
* The fingerprint of the last insert
*/
public void setLastInsertFingerprint(String lastInsertFingerprint) {
- this.lastInsertFingerprint = lastInsertFingerprint;
+ soneModificationDetector.setFingerprint(lastInsertFingerprint);
}
/**
* otherwise
*/
public boolean isModified() {
- return modified;
+ return soneModificationDetector.isModified();
}
//
*/
@Override
protected void serviceRun() {
- long lastModificationTime = 0;
- String lastInsertedFingerprint = lastInsertFingerprint;
- String lastFingerprint = "";
- while (!shouldStop()) { try {
- /* check every seconds. */
- sleep(1000);
-
- /* don’t insert locked Sones. */
- if (core.isLocked(sone)) {
- /* trigger redetection when the Sone is unlocked. */
- synchronized (sone) {
- modified = !sone.getFingerprint().equals(lastInsertedFingerprint);
- }
- lastFingerprint = "";
- lastModificationTime = 0;
- continue;
- }
-
- InsertInformation insertInformation = null;
- synchronized (sone) {
- String fingerprint = sone.getFingerprint();
- if (!fingerprint.equals(lastFingerprint)) {
- if (fingerprint.equals(lastInsertedFingerprint)) {
- modified = false;
- lastModificationTime = 0;
- logger.log(Level.FINE, String.format("Sone %s has been reverted to last insert state.", sone));
- } else {
- lastModificationTime = System.currentTimeMillis();
- modified = true;
- logger.log(Level.FINE, String.format("Sone %s has been modified, waiting %d seconds before inserting.", sone.getName(), insertionDelay));
- }
- lastFingerprint = fingerprint;
- }
- if (modified && (lastModificationTime > 0) && ((System.currentTimeMillis() - lastModificationTime) > (insertionDelay * 1000))) {
- lastInsertedFingerprint = fingerprint;
- insertInformation = new InsertInformation(sone);
- }
- }
-
- if (insertInformation != null) {
- logger.log(Level.INFO, String.format("Inserting Sone “%s”…", sone.getName()));
-
- boolean success = false;
- try {
- sone.setStatus(SoneStatus.inserting);
- long insertTime = System.currentTimeMillis();
- insertInformation.setTime(insertTime);
- soneInsertListenerManager.fireInsertStarted();
- FreenetURI finalUri = freenetInterface.insertDirectory(insertInformation.getInsertUri(), insertInformation.generateManifestEntries(), "index.html");
- soneInsertListenerManager.fireInsertFinished(System.currentTimeMillis() - insertTime);
- /* at this point we might already be stopped. */
- if (shouldStop()) {
- /* if so, bail out, don’t change anything. */
- break;
+ while (!shouldStop()) {
+ try {
+ /* check every second. */
+ sleep(1000);
+
+ if (soneModificationDetector.isEligibleForInsert()) {
+ InsertInformation insertInformation = new InsertInformation(sone);
+ logger.log(Level.INFO, String.format("Inserting Sone “%s”…", sone.getName()));
+
+ boolean success = false;
+ try {
+ sone.setStatus(SoneStatus.inserting);
+ long insertTime = currentTimeMillis();
+ insertInformation.setTime(insertTime);
+ eventBus.post(new SoneInsertingEvent(sone));
+ FreenetURI finalUri = freenetInterface.insertDirectory(insertInformation.getInsertUri(), insertInformation.generateManifestEntries(), "index.html");
+ eventBus.post(new SoneInsertedEvent(sone, currentTimeMillis() - insertTime));
+ /* at this point we might already be stopped. */
+ if (shouldStop()) {
+ /* if so, bail out, don’t change anything. */
+ break;
+ }
+ sone.setTime(insertTime);
+ sone.setLatestEdition(finalUri.getEdition());
+ core.touchConfiguration();
+ success = true;
+ logger.log(Level.INFO, String.format("Inserted Sone “%s” at %s.", sone.getName(), finalUri));
+ } catch (SoneException se1) {
+ eventBus.post(new SoneInsertAbortedEvent(sone, se1));
+ logger.log(Level.WARNING, String.format("Could not insert Sone “%s”!", sone.getName()), se1);
+ } finally {
+ sone.setStatus(SoneStatus.idle);
}
- sone.setTime(insertTime);
- sone.setLatestEdition(finalUri.getEdition());
- core.touchConfiguration();
- success = true;
- logger.log(Level.INFO, String.format("Inserted Sone “%s” at %s.", sone.getName(), finalUri));
- } catch (SoneException se1) {
- soneInsertListenerManager.fireInsertAborted(se1);
- logger.log(Level.WARNING, String.format("Could not insert Sone “%s”!", sone.getName()), se1);
- } finally {
- sone.setStatus(SoneStatus.idle);
- }
- /*
- * reset modification counter if Sone has not been modified
- * while it was inserted.
- */
- if (success) {
- synchronized (sone) {
- if (lastInsertedFingerprint.equals(sone.getFingerprint())) {
- logger.log(Level.FINE, String.format("Sone “%s” was not modified further, resetting counter…", sone));
- lastModificationTime = 0;
- lastInsertFingerprint = lastInsertedFingerprint;
- core.touchConfiguration();
- modified = false;
+ /*
+ * reset modification counter if Sone has not been modified
+ * while it was inserted.
+ */
+ if (success) {
+ synchronized (sone) {
+ if (insertInformation.getFingerprint().equals(sone.getFingerprint())) {
+ logger.log(Level.FINE, String.format("Sone “%s” was not modified further, resetting counter…", sone));
+ soneModificationDetector.setFingerprint(insertInformation.getFingerprint());
+ core.touchConfiguration();
+ }
}
}
}
+ } catch (Throwable t1) {
+ logger.log(Level.SEVERE, "SoneInserter threw an Exception!", t1);
}
- } catch (Throwable t1) {
- logger.log(Level.SEVERE, "SoneInserter threw an Exception!", t1);
- }}
+ }
}
/**
*/
private class InsertInformation {
+ private final String fingerprint;
+
/** All properties of the Sone, copied for thread safety. */
private final Map<String, Object> soneProperties = new HashMap<String, Object>();
* The sone to insert
*/
public InsertInformation(Sone sone) {
+ this.fingerprint = sone.getFingerprint();
soneProperties.put("id", sone.getId());
soneProperties.put("name", sone.getName());
soneProperties.put("time", sone.getTime());
soneProperties.put("replies", Ordering.from(Reply.TIME_COMPARATOR).reverse().sortedCopy(sone.getReplies()));
soneProperties.put("likedPostIds", new HashSet<String>(sone.getLikedPostIds()));
soneProperties.put("likedReplyIds", new HashSet<String>(sone.getLikedReplyIds()));
- soneProperties.put("albums", sone.getAllAlbums());
+ soneProperties.put("albums", FluentIterable.from(sone.getRootAlbum().getAlbums()).transformAndConcat(Album.FLATTENER).filter(NOT_EMPTY).toList());
}
//
// ACCESSORS
//
+ private String getFingerprint() {
+ return fingerprint;
+ }
+
/**
* Returns the insert URI of the Sone.
*
projects / Sone.git / blobdiff