remove many to many relationship between entries and feeds

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

@@ -1,9 +1,12 @@
 package com.commafeed.backend.model;
 
+import java.util.Set;
+
 import javax.persistence.Cacheable;
 import javax.persistence.Column;
 import javax.persistence.Entity;
 import javax.persistence.Lob;
+import javax.persistence.OneToMany;
 import javax.persistence.Table;
 
 import org.hibernate.annotations.Cache;
@@ -23,12 +26,21 @@ public class FeedEntryContent extends AbstractModel {
 	@Column(length = Integer.MAX_VALUE)
 	private String content;
 
+	@Column(length = 40)
+	private String contentHash;
+
+	@Column(name = "author", length = 128)
+	private String author;
+
 	@Column(length = 2048)
 	private String enclosureUrl;
 
 	@Column(length = 255)
 	private String enclosureType;
 
+	@OneToMany(mappedBy = "content")
+	private Set<FeedEntry> entries;
+
 	public String getContent() {
 		return content;
 	}
@@ -61,4 +73,28 @@ public class FeedEntryContent extends AbstractModel {
 		this.title = title;
 	}
 
+	public String getContentHash() {
+		return contentHash;
+	}
+
+	public void setContentHash(String contentHash) {
+		this.contentHash = contentHash;
+	}
+
+	public String getAuthor() {
+		return author;
+	}
+
+	public void setAuthor(String author) {
+		this.author = author;
+	}
+
+	public Set<FeedEntry> getEntries() {
+		return entries;
+	}
+
+	public void setEntries(Set<FeedEntry> entries) {
+		this.entries = entries;
+	}
+
 }