是否可以在eBean和Play中使用@PrePersist和@PreUpdate！ 2.0? [英] Is it possible to use @PrePersist and @PreUpdate with eBean and Play! 2.0?

问题描述

我想知道是否可以将@PrePersist和@PreUpdate与Ebean和Play一起使用！ 2.0.如果是这样，如何激活此功能.我已经看到一个月前有一个拉请求添加了此功能，但是我无法在Play 2.0上实现此功能.

I want to know if is it possible to use @PrePersist and @PreUpdate with Ebean and Play! 2.0. If so how is this feature activated. I've seen that there was a pull request adding this feature a month ago, but I can't make this work on Play 2.0.

谢谢

推荐答案

如果您的目标只是设置createdAt或updatedAt字段，并且您正在使用EBean，请尝试@CreatedTimestamp和@UpdatedTimestamp.请参见此处.我更喜欢使用Biesior的方法，但是它在Cascades上似乎失败了-从未调用过这些方法.

If your goal is just setting createdAt or updatedAt fields, and you're using EBean, try @CreatedTimestamp and @UpdatedTimestamp. See here. I'd prefer to use Biesior's approach, but it seemed to fail on Cascades -- the methods were never called.

@Column(name="created_at")
@CreatedTimestamp
private Date createdAt;

@Column(name="updated_at")
@UpdatedTimestamp
private Date updatedAt;

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