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wip: allow parallel update of feeds

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Athou
2013-05-22 00:07:13 +02:00
parent f75baf5cff
commit 15b7d685fe
7 changed files with 177 additions and 124 deletions
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47
src/main/java/com/commafeed/backend/feeds/FeedRefreshUpdater.java
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@@ -1,69 +1,68 @@
package com.commafeed.backend.feeds;
import java.util.Collection;
import java.util.List;
import javax.ejb.Asynchronous;
import javax.ejb.Stateless;
import javax.inject.Inject;
import org.apache.commons.collections.CollectionUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.commafeed.backend.LockMap;
import com.commafeed.backend.dao.FeedDAO;
import com.commafeed.backend.dao.FeedSubscriptionDAO;
import com.commafeed.backend.model.Feed;
import com.commafeed.backend.model.FeedEntry;
import com.commafeed.backend.model.FeedEntryContent;
import com.commafeed.backend.model.FeedPushInfo;
import com.commafeed.backend.model.FeedSubscription;
import com.commafeed.backend.pubsubhubbub.SubscriptionHandler;
import com.commafeed.backend.services.ApplicationSettingsService;
import com.commafeed.backend.services.FeedUpdateService;
@Stateless
public class FeedRefreshUpdater {
protected static Logger log = LoggerFactory
.getLogger(FeedRefreshUpdater.class);
private static LockMap<String> lockMap = new LockMap<String>();
@Inject
FeedUpdateService feedUpdateService;
@Inject
SubscriptionHandler handler;
@Inject
FeedRefreshTaskGiver taskGiver;
@Inject
FeedDAO feedDAO;
@Inject
ApplicationSettingsService applicationSettingsService;
@Asynchronous
public void updateEntries(Feed feed, Collection<FeedEntry> entries) {
if (CollectionUtils.isNotEmpty(entries)) {
@Inject
FeedSubscriptionDAO feedSubscriptionDAO;
public void updateFeed(Feed feed, Collection<FeedEntry> entries) {
taskGiver.giveBack(feed);
if (entries != null) {
List<FeedSubscription> subscriptions = feedSubscriptionDAO
.findByFeed(feed);
for (FeedEntry entry : entries) {
handleEntry(feed, entry);
updateEntry(feed, entry, subscriptions);
}
feedUpdateService.updateEntries(feed, entries);
}
feedDAO.update(feed);
if (applicationSettingsService.get().isPubsubhubbub()) {
handlePubSub(feed);
}
}
private void handleEntry(Feed feed, FeedEntry entry) {
String baseUri = feed.getLink();
FeedEntryContent content = entry.getContent();
content.setContent(FeedUtils.handleContent(content.getContent(),
baseUri));
String title = FeedUtils.handleContent(content.getTitle(), baseUri);
if (title != null) {
content.setTitle(title.substring(0, Math.min(2048, title.length())));
}
String author = entry.getAuthor();
if (author != null) {
entry.setAuthor(author.substring(0, Math.min(128, author.length())));
private void updateEntry(Feed feed, FeedEntry entry,
List<FeedSubscription> subscriptions) {
synchronized (lockMap.get(entry.getGuid())) {
feedUpdateService.updateEntry(feed, entry, subscriptions);
}
}