tagging support (#96)

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

@@ -55,5 +55,8 @@ public class FeedEntry extends AbstractModel {
 
 	@OneToMany(mappedBy = "entry", cascade = CascadeType.REMOVE)
 	private Set<FeedEntryStatus> statuses;
+	
+	@OneToMany(mappedBy = "entry", cascade = CascadeType.REMOVE)
+	private Set<FeedEntryTag> tags;
 
 }

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

@@ -1,6 +1,7 @@
 package com.commafeed.backend.model;
 
 import java.util.Date;
+import java.util.List;
 
 import javax.persistence.Cacheable;
 import javax.persistence.Column;
@@ -42,6 +43,9 @@ public class FeedEntryStatus extends AbstractModel {
 
 	@Transient
 	private boolean markable;
+	
+	@Transient
+	private List<FeedEntryTag> tags;
 
 	/**
 	 * Denormalization starts here

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

@@ -0,0 +1,46 @@
+package com.commafeed.backend.model;
+
+import javax.persistence.Cacheable;
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.FetchType;
+import javax.persistence.JoinColumn;
+import javax.persistence.ManyToOne;
+import javax.persistence.Table;
+
+import lombok.Getter;
+import lombok.Setter;
+
+import org.hibernate.annotations.Cache;
+import org.hibernate.annotations.CacheConcurrencyStrategy;
+
+@Entity
+@Table(name = "FEEDENTRYTAGS")
+@SuppressWarnings("serial")
+@Cacheable
+@Cache(usage = CacheConcurrencyStrategy.TRANSACTIONAL)
+@Getter
+@Setter
+public class FeedEntryTag extends AbstractModel {
+
+	@JoinColumn(name = "user_id")
+	@ManyToOne(fetch = FetchType.LAZY)
+	private User user;
+
+	@JoinColumn(name = "entry_id")
+	@ManyToOne(fetch = FetchType.LAZY)
+	private FeedEntry entry;
+
+	@Column(name = "name", length = 40)
+	private String name;
+
+	public FeedEntryTag() {
+	}
+
+	public FeedEntryTag(User user, FeedEntry entry, String name) {
+		this.name = name;
+		this.entry = entry;
+		this.user = user;
+	}
+
+}