Message.java

package it.demo.twitterlike.server.domain;

import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
import javax.persistence.Table;
import javax.validation.constraints.NotNull;
import javax.validation.constraints.Size;

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

@Entity
@Table(name = "T_MESSAGE")
@Cache(usage = CacheConcurrencyStrategy.NONSTRICT_READ_WRITE)
public class Message extends AbstractAuditingEntity<Long> {

	private static final long serialVersionUID = 1L;

	@Id
	@GeneratedValue(strategy = GenerationType.AUTO)
	private Long id;

	@ManyToOne(optional = false)
	private User author;
	@NotNull
	@Size(min = 0, max = 160)
	private String text;

	public Message() {

	}

	public Message(User author, String text) {
		this.author = author;
		this.text = text;
	}

	public User getAuthor() {
		return author;
	}

	public void setAuthor(User author) {
		this.author = author;
	}

	public String getText() {
		return text;
	}

	public void setText(String text) {
		this.text = text;
	}

	public Long getId() {
		return id;
	}

	public void setId(Long id) {
		this.id = id;
	}

	@Override
	public String toString() {
		return "Message [author=" + author + ", text=" + text + "]";
	}
}