initial commit

src/main/java/com/commafeed/backend/dao/FeedEntryService.java

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+package com.commafeed.backend.dao;
+
+import java.util.Calendar;
+import java.util.Collection;
+
+import javax.ejb.Stateless;
+import javax.inject.Inject;
+
+import com.commafeed.model.Feed;
+import com.commafeed.model.FeedEntry;
+
+@Stateless
+public class FeedEntryService extends GenericDAO<FeedEntry, String> {
+
+	@Inject
+	FeedService feedService;
+
+	public void updateEntries(String url, Collection<FeedEntry> entries) {
+		Feed feed = feedService.findById(url);
+		for (FeedEntry entry : entries) {
+			FeedEntry existing = findById(entry.getGuid());
+			if (existing == null) {
+				entry.setFeed(feed);
+				save(entry);
+			}
+		}
+		feed.setLastUpdated(Calendar.getInstance().getTime());
+		em.merge(feed);
+	}
+
+}