TopicWatch.java

/*
 * Copyright (c) JForum Team. All rights reserved.
 *
 * The software in this package is published under the terms of the LGPL
 * license a copy of which has been included with this distribution in the
 * license.txt file.
 *
 * The JForum Project
 * http://www.jforum.net
 */
package net.jforum.entities;

import java.io.Serializable;

import javax.persistence.Column;
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.ManyToOne;
import javax.persistence.SequenceGenerator;
import javax.persistence.Table;

import org.hibernate.annotations.Cache;
import org.hibernate.annotations.CacheConcurrencyStrategy;

import br.com.caelum.vraptor.ioc.Component;
import br.com.caelum.vraptor.ioc.PrototypeScoped;

/**
 * @author Rafael Steil
 */
@Entity
@Table(name = "jforum_topics_watch")
@Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)
@Component
@PrototypeScoped
public class TopicWatch implements Serializable {
	@Id
	@SequenceGenerator(name = "sequence", sequenceName = "jforum_topics_watch_seq")
	@GeneratedValue(strategy = GenerationType.AUTO, generator = "sequence")
	@Column(name = "topics_watch_id")
	private int id;

	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name = "topic_id")
	private Topic topic;

	@ManyToOne(fetch = FetchType.LAZY)
	@JoinColumn(name = "user_id")
	private User user;

	@Column(name = "is_read")
	private boolean read;

	/**
	 * @return the id
	 */
	public int getId() {
		return this.id;
	}

	/**
	 * @param id the id to set
	 */
	public void setId(int id) {
		this.id = id;
	}

	/**
	 * @return the topicId
	 */
	public Topic getTopic() {
		return this.topic;
	}

	/**
	 * @param topicId the topicId to set
	 */
	public void setTopic(Topic topic) {
		this.topic = topic;
	}

	/**
	 * @return the userId
	 */
	public User getUser() {
		return this.user;
	}

	/**
	 * @param userId the userId to set
	 */
	public void setUser(User user) {
		this.user = user;
	}

	/**
	 * @return the read
	 */
	public boolean isRead() {
		return this.read;
	}

	/**
	 * Mark this instance as read
	 */
	public void markAsRead() {
		this.read = true;
	}

	/**
	 * @see java.lang.Object#equals(java.lang.Object)
	 */
	@Override
	public boolean equals(Object o) {
		if (o == this) {
			return true;
		}

		if (!(o instanceof TopicWatch)) {
			return false;
		}

		return ((TopicWatch)o).getId() == this.getId();
	}

	/**
	 * @see java.lang.Object#hashCode()
	 */
	@Override
	public int hashCode() {
		return this.getId();
	}
}