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package com.itcoon.common.jpa.base;

import org.hibernate.annotations.CreationTimestamp;
import org.hibernate.annotations.UpdateTimestamp;

import javax.persistence.Column;
import javax.persistence.MappedSuperclass;
import javax.persistence.PrePersist;
import javax.persistence.PreUpdate;
import java.time.LocalDateTime;

/**
 * @author Miaoxia Yu
 * @date 2020-11-19
 */
@MappedSuperclass
public abstract class TrackableIdPO extends IdPO {

    private static final long serialVersionUID = -6593518472904845690L;

    @CreationTimestamp
    @Column(columnDefinition = "datetime comment '创建时间'")
    private LocalDateTime creationTime;

    @UpdateTimestamp
    @Column(columnDefinition = "datetime comment '更新时间'")
    private LocalDateTime updateTime;

    public LocalDateTime getCreationTime() {
        return creationTime;
    }

    public void setCreationTime(LocalDateTime creationTime) {
        this.creationTime = creationTime;
    }

    public LocalDateTime getUpdateTime() {
        return updateTime;
    }

    public void setUpdateTime(LocalDateTime updateTime) {
        this.updateTime = updateTime;
    }

    @PrePersist
    public void prePersists(){
        LocalDateTime now = LocalDateTime.now();
        this.creationTime = this.creationTime == null ? now : this.creationTime;
        this.updateTime = this.updateTime == null ? now : this.updateTime;
    }

    @PreUpdate
    public void preUpdate(){
        LocalDateTime now = LocalDateTime.now();
        this.updateTime = now;
    }
}