EDIT

package eu.etaxonomy.cdm.model.view;

import java.io.Serializable;

import java.util.UUID;

import javax.persistence.Basic;

import javax.persistence.Entity;

import javax.persistence.FetchType;

import javax.persistence.GeneratedValue;

import javax.persistence.Id;

import org.hibernate.annotations.Type;

import org.hibernate.envers.RevisionEntity;

import org.hibernate.envers.RevisionNumber;

import org.hibernate.envers.RevisionTimestamp;

import org.joda.time.DateTime;

@Entity

@RevisionEntity

public class AuditEvent implements Serializable {

/**

	 * 

	 */

	private static final long serialVersionUID = 6584537382484488953L;

public static final AuditEvent CURRENT_VIEW;

	static {

		CURRENT_VIEW = new AuditEvent();

		CURRENT_VIEW.setUuid(UUID.fromString("966728f0-ae51-11dd-ad8b-0800200c9a66"));

	};

	@Type(type="uuidUserType")

	private UUID uuid;

	public UUID getUuid() {

		return uuid;

	}

	public Long getTimestamp() {

		return timestamp;

	}

	public AuditEvent() {

		this.uuid = UUID.randomUUID();

		this.date = new DateTime();

	}

	@Type(type="dateTimeUserType")

	@Basic(fetch = FetchType.LAZY)

	private DateTime date;

	public DateTime getDate() {

		return date;

	}

	@Id

	@GeneratedValue

	@RevisionNumber

	private Integer revisionNumber;

	@RevisionTimestamp

	private Long timestamp;

	public Integer getRevisionNumber() {

		return revisionNumber;

	}

	public void setUuid(UUID uuid) {

		this.uuid = uuid;

	}

	public boolean equals(Object obj) {

		if(this == obj)

		    return true;

		if((obj == null) || (obj.getClass() != this.getClass()))

		    return false;

		AuditEvent auditEvent = (AuditEvent) obj;

		    return uuid == auditEvent.uuid || (uuid != null && uuid.equals(auditEvent.uuid));		

	}

	public int hashCode() {

		int hash = 7;

		hash = 31 * hash + (null == uuid ? 0 : uuid.hashCode());

		return hash;

	}

	public void setRevisionNumber(Integer revisionNumber) {

		this.revisionNumber = revisionNumber;

	}

}