com.github.jhonyscamacho.domain.AbstractDomainObject Maven / Gradle / Ivy

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A set of components that help developers building their own domain object classes.

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package com.github.jhonyscamacho.domain;

import java.util.Date;

import javax.persistence.Column;
import javax.persistence.MappedSuperclass;
import javax.persistence.PrePersist;
import javax.persistence.PreUpdate;
import javax.persistence.Temporal;
import javax.persistence.TemporalType;
import javax.persistence.Version;

import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;

/**
 * {@link AbstractDomainObject} is an abstract implementation of
 * {@link DomainObject}.
 * 
 * @see DomainObject
 * 
 * @author Jhonathan Camacho
 * @author Jhonys Camacho
 *
 */
@MappedSuperclass @NoArgsConstructor
public abstract class AbstractDomainObject implements DomainObject {

	/**
	 * Generated serial version id created at 21 April 2017.
	 */
	private static final long serialVersionUID = -2863804897094916874L;
	
	public abstract long getId();
	
	@Getter @Setter
	@Temporal(TemporalType.TIMESTAMP)
	@Column(name = "created_at")
	private Date createdAt;
	
	@Getter @Setter
	@Temporal(TemporalType.TIMESTAMP)
	@Column(name = "updated_at")
	private Date updatedAt;
	
	@Getter @Setter
	@Version
	@Column(name = "version")
	private int version;

	@PrePersist
	public void createAt() {
		this.createdAt = DateGenerator.toInstant();
	}

	@PreUpdate
	public void updatedAt() {
		this.updatedAt = DateGenerator.toInstant();
	}
}