added on-demand database cleanup (date is hardcoded for the moment)

src/main/java/com/commafeed/backend/DatabaseCleaner.java

@@ -0,0 +1,29 @@
+package com.commafeed.backend;
+
+import java.util.Calendar;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+
+import javax.ejb.Stateless;
+import javax.inject.Inject;
+
+import com.commafeed.backend.dao.FeedEntryDAO;
+import com.commafeed.backend.model.FeedEntry;
+
+@Stateless
+public class DatabaseCleaner {
+
+	@Inject
+	FeedEntryDAO feedEntryDAO;
+
+	public void cleanOlderThan(long value, TimeUnit unit) {
+		Calendar cal = Calendar.getInstance();
+		cal.add(Calendar.MINUTE, -1 * (int) unit.toMinutes(value));
+
+		List<FeedEntry> entries = feedEntryDAO.findByInserted(cal.getTime());
+		for (FeedEntry entry : entries) {
+			feedEntryDAO.delete(entry.getStatuses());
+		}
+		feedEntryDAO.delete(entries);
+	}
+}

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

@@ -90,6 +90,6 @@ public class FeedDAO extends GenericDAO<Feed> {
 	}
 
 	public List<Feed> findByTopic(String topic) {
-		return findByField(Feed_.pushTopic, topic);
+		return findByField(Feed_.pushTopicHash, DigestUtils.sha1Hex(topic));
 	}
 }

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

@@ -1,5 +1,6 @@
 package com.commafeed.backend.dao;
 
+import java.util.Date;
 import java.util.List;
 
 import javax.ejb.Stateless;
@@ -55,6 +56,14 @@ public class FeedEntryDAO extends GenericDAO<FeedEntry> {
 		return list;
 	}
 
+	public List<FeedEntry> findByInserted(Date olderThan) {
+		CriteriaQuery<FeedEntry> query = builder.createQuery(getType());
+		Root<FeedEntry> root = query.from(getType());
+
+		query.where(builder.lessThan(root.get(FeedEntry_.inserted), olderThan));
+		return em.createQuery(query).getResultList();
+	}
+
 	public List<FeedEntry> findByFeed(Feed feed, int offset, int limit) {
 		CriteriaQuery<FeedEntry> query = builder.createQuery(getType());
 		Root<FeedEntry> root = query.from(getType());

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

@@ -50,15 +50,15 @@ public abstract class GenericDAO<T extends AbstractModel> {
 		saveOrUpdate(Arrays.asList(models));
 	}
 
-	public void delete(T object) {
+	public void delete(AbstractModel object) {
 		if (object != null) {
 			object = em.merge(object);
 			em.remove(object);
 		}
 	}
 
-	public void delete(List<T> objects) {
-		for (T object : objects) {
+	public void delete(Collection<? extends AbstractModel> objects) {
+		for (AbstractModel object : objects) {
 			delete(object);
 		}
 	}

src/main/java/com/commafeed/backend/feeds/FeedRefreshWorker.java

@@ -6,6 +6,7 @@ import java.util.List;
 
 import javax.inject.Inject;
 
+import org.apache.commons.codec.digest.DigestUtils;
 import org.apache.commons.lang.mutable.MutableBoolean;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
@@ -164,6 +165,7 @@ public class FeedRefreshWorker {
 			log.debug("feed {} has pubsub info: {}", feed.getUrl(), topic);
 			feed.setPushHub(hub);
 			feed.setPushTopic(topic);
+			feed.setPushTopicHash(DigestUtils.sha1Hex(topic));
 		}
 	}
 

src/main/java/com/commafeed/backend/model/Feed.java

@@ -11,14 +11,10 @@ import javax.persistence.Table;
 import javax.persistence.Temporal;
 import javax.persistence.TemporalType;
 
-import org.hibernate.annotations.Index;
-
 import com.google.common.collect.Sets;
 
 @Entity
 @Table(name = "FEEDS")
-@org.hibernate.annotations.Table(appliesTo = "FEEDS", indexes = { @Index(name = "disabled_lastupdated_index", columnNames = {
-		"disabledUntil", "lastUpdated" }), })
 @SuppressWarnings("serial")
 public class Feed extends AbstractModel {
 
@@ -29,7 +25,6 @@ public class Feed extends AbstractModel {
 	private String url;
 
 	@Column(length = 40, nullable = false)
-	@Index(name = "urlHash_index")
 	private String urlHash;
 
 	/**
@@ -42,7 +37,6 @@ public class Feed extends AbstractModel {
 	 * Last time we tried to fetch the feed
 	 */
 	@Temporal(TemporalType.TIMESTAMP)
-	@Index(name = "lastupdated_index")
 	private Date lastUpdated;
 
 	/**
@@ -78,7 +72,6 @@ public class Feed extends AbstractModel {
 	 * feed refresh is disabled until this date
 	 */
 	@Temporal(TemporalType.TIMESTAMP)
-	@Index(name = "disableduntil_index")
 	private Date disabledUntil;
 
 	/**
@@ -120,9 +113,11 @@ public class Feed extends AbstractModel {
 	 * detected topic for pubsubhubbub
 	 */
 	@Column(length = 2048)
-	@Index(name = "topic_index")
 	private String pushTopic;
 
+	@Column(name = "push_topic_hash", length = 2048)
+	private String pushTopicHash;
+
 	/**
 	 * last time we subscribed for that topic on that hub
 	 */
@@ -289,4 +284,12 @@ public class Feed extends AbstractModel {
 		this.lastEntryDate = lastEntryDate;
 	}
 
+	public String getPushTopicHash() {
+		return pushTopicHash;
+	}
+
+	public void setPushTopicHash(String pushTopicHash) {
+		this.pushTopicHash = pushTopicHash;
+	}
+
 }

src/main/java/com/commafeed/backend/model/FeedEntry.java

@@ -15,9 +15,6 @@ import javax.persistence.OneToOne;
 import javax.persistence.Table;
 import javax.persistence.Temporal;
 import javax.persistence.TemporalType;
-import javax.persistence.Transient;
-
-import org.hibernate.annotations.Index;
 
 import com.google.api.client.util.Sets;
 
@@ -30,7 +27,6 @@ public class FeedEntry extends AbstractModel {
 	private String guid;
 
 	@Column(length = 40, nullable = false)
-	@Index(name = "guidHash_index")
 	private String guidHash;
 
 	@ManyToMany
@@ -44,15 +40,13 @@ public class FeedEntry extends AbstractModel {
 	@Column(length = 2048)
 	private String url;
 
-	//@Column(length = 128)
-	@Transient
+	@Column(name = "author", length = 128)
 	private String author;
 
 	@Temporal(TemporalType.TIMESTAMP)
 	private Date inserted;
 
 	@Temporal(TemporalType.TIMESTAMP)
-	@Index(name = "updated_index")
 	private Date updated;
 
 	@OneToMany(mappedBy = "entry")

src/main/java/com/commafeed/backend/model/User.java

@@ -11,8 +11,6 @@ import javax.persistence.Table;
 import javax.persistence.Temporal;
 import javax.persistence.TemporalType;
 
-import org.hibernate.annotations.Index;
-
 import com.google.common.collect.Sets;
 
 @Entity
@@ -21,11 +19,9 @@ import com.google.common.collect.Sets;
 public class User extends AbstractModel {
 
 	@Column(length = 32, nullable = false, unique = true)
-	@Index(name = "username_index")
 	private String name;
 
 	@Column(length = 255, unique = true)
-	@Index(name = "useremail_index")
 	private String email;
 
 	@Column(length = 256, nullable = false)

src/main/java/com/commafeed/frontend/rest/resources/AbstractREST.java

@@ -24,6 +24,7 @@ import org.apache.wicket.protocol.http.servlet.ServletWebResponse;
 import org.apache.wicket.request.cycle.RequestCycle;
 import org.apache.wicket.util.crypt.Base64;
 
+import com.commafeed.backend.DatabaseCleaner;
 import com.commafeed.backend.MetricsBean;
 import com.commafeed.backend.StartupBean;
 import com.commafeed.backend.dao.FeedCategoryDAO;
@@ -124,6 +125,9 @@ public abstract class AbstractREST {
 	@Inject
 	FaviconFetcher faviconFetcher;
 
+	@Inject
+	DatabaseCleaner cleaner;
+
 	@PostConstruct
 	public void init() {
 		CommaFeedApplication app = CommaFeedApplication.get();

src/main/java/com/commafeed/frontend/rest/resources/AdminREST.java

@@ -2,6 +2,7 @@ package com.commafeed.frontend.rest.resources;
 
 import java.util.Map;
 import java.util.Set;
+import java.util.concurrent.TimeUnit;
 
 import javax.ws.rs.DefaultValue;
 import javax.ws.rs.GET;
@@ -189,4 +190,12 @@ public class AdminREST extends AbstractResourceREST {
 
 		return Response.ok(map).build();
 	}
+
+	@Path("/cleanup")
+	@GET
+	public Response cleanup() {
+		cleaner.cleanOlderThan(30, TimeUnit.DAYS);
+		return Response.ok("ok").build();
+	}
+
 }