package com.google.code.rsser.model;import java.util.Date;import java.util.List;import javax.persistence.Entity;import javax.persistence.FetchType;import javax.persistence.GeneratedValue;import javax.persistence.GenerationType;import javax.persistence.Id;import javax.persistence.JoinColumn;import javax.persistence.JoinTable;import javax.persistence.ManyToMany;import javax.persistence.OneToMany;import javax.persistence.OrderBy;import net.sf.oval.constraint.NotEmpty;import net.sf.oval.constraint.NotNull;import com.google.code.rsser.web.validator.profiles.Profiles;@Entitypublic class Feed {	@Id	@GeneratedValue(strategy = GenerationType.IDENTITY)	protected int id;		protected String url;		@NotNull(errorCode = "feedUrl.notEmpty", profiles = { Profiles.SUBSCRIBE })	@NotEmpty(errorCode = "feedUrl.notEmpty", profiles = { Profiles.SUBSCRIBE })	protected String feedUrl;		protected String title;	protected String description;	protected Date lastUpdate;	@OneToMany(fetch = FetchType.LAZY, mappedBy = "feed")	@OrderBy(value = "date desc")	protected List<Entry> entries;	@ManyToMany(fetch = FetchType.LAZY)	@JoinTable(name = "user_feed", joinColumns = { @JoinColumn(name = "id_feed") }, inverseJoinColumns = { @JoinColumn(name = "id_user") })	protected List<User> subscribedBy;		public int getId() {		return id;	}	public void setId(int id) {		this.id = id;	}	public String getUrl() {		return url;	}	public void setUrl(String url) {		this.url = url;	}	public String getTitle() {		return title;	}	public void setTitle(String title) {		this.title = title;	}	public String getDescription() {		return description;	}	public void setDescription(String description) {		this.description = description;	}	public Date getLastUpdate() {		return lastUpdate;	}	public void setLastUpdate(Date lastUpdate) {		this.lastUpdate = lastUpdate;	}	public String getFeedUrl() {		return feedUrl;	}	public void setFeedUrl(String feedUrl) {		this.feedUrl = feedUrl;	}	public List<Entry> getEntries() {		return entries;	}	public void setEntries(List<Entry> entries) {		this.entries = entries;	}	public List<User> getSubscribedBy() {		return subscribedBy;	}	public void setSubscribedBy(List<User> subscribedBy) {		this.subscribedBy = subscribedBy;	}	@Override	public int hashCode() {		final int prime = 31;		int result = 1;		result = prime * result + id;		result = prime * result + ((url == null) ? 0 : url.hashCode());		return result;	}	@Override	public boolean equals(Object obj) {		if (this == obj) {			return true;		}				if (obj == null) {			return false;		}				if (!(obj instanceof Feed)) {			return false;		}				Feed other = (Feed) obj;				if (id != other.id) {			return false;		}				if (url != null && !url.equals(other.url)) {			return false;		} else if (other.url != null) {			return false;		}				return true;	}		@Override	public String toString() {		return "id=" + id + ", title=" + title;	}}