initial pubsubhubbub support (#44)

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

@@ -3,10 +3,13 @@ package com.commafeed.backend.model;
 import java.util.Date;
 import java.util.Set;
 
+import javax.persistence.CascadeType;
 import javax.persistence.Column;
 import javax.persistence.Entity;
+import javax.persistence.FetchType;
 import javax.persistence.ManyToMany;
 import javax.persistence.OneToMany;
+import javax.persistence.OneToOne;
 import javax.persistence.Table;
 import javax.persistence.Temporal;
 import javax.persistence.TemporalType;
@@ -64,6 +67,10 @@ public class Feed extends AbstractModel {
 	@Column(length = 255)
 	private String etagHeader;
 
+	@OneToOne(fetch = FetchType.LAZY, mappedBy = "feed", cascade = {
+			CascadeType.PERSIST, CascadeType.MERGE })
+	private FeedPushInfo pushInfo;
+
 	@ManyToMany(mappedBy = "feeds")
 	private Set<FeedEntry> entries = Sets.newHashSet();
 
@@ -174,4 +181,12 @@ public class Feed extends AbstractModel {
 		this.lastUpdateSuccess = lastUpdateSuccess;
 	}
 
+	public FeedPushInfo getPushInfo() {
+		return pushInfo;
+	}
+
+	public void setPushInfo(FeedPushInfo pushInfo) {
+		this.pushInfo = pushInfo;
+	}
+
 }

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

@@ -0,0 +1,60 @@
+package com.commafeed.backend.model;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.OneToOne;
+import javax.persistence.Table;
+
+import org.hibernate.annotations.Index;
+
+@Entity
+@Table(name = "FEEDPUSHINFOS")
+@SuppressWarnings("serial")
+public class FeedPushInfo extends AbstractModel {
+
+	@OneToOne(fetch = FetchType.LAZY)
+	private Feed feed;
+
+	@Column(length = 2048, nullable = false)
+	@Index(name = "topic_index")
+	private String topic;
+
+	@Column(length = 2048, nullable = false)
+	private String hub;
+
+	private boolean active;
+
+	public String getTopic() {
+		return topic;
+	}
+
+	public void setTopic(String topic) {
+		this.topic = topic;
+	}
+
+	public Feed getFeed() {
+		return feed;
+	}
+
+	public void setFeed(Feed feed) {
+		this.feed = feed;
+	}
+
+	public String getHub() {
+		return hub;
+	}
+
+	public void setHub(String hub) {
+		this.hub = hub;
+	}
+
+	public boolean isActive() {
+		return active;
+	}
+
+	public void setActive(boolean active) {
+		this.active = active;
+	}
+
+}