[hibernate-issues] [Hibernate-JIRA] Commented: (HHH-6998) Expand CustomEntityDirtinessStrategy to define findDirty

[Shawn Clowater (JIRA)]

    [ https://hibernate.onjira.com/browse/HHH-6998?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=45425#comment-45425 ] 

Shawn Clowater commented on HHH-6998:
-------------------------------------

Steve,

You don't waste any time at all when you get an idea in your head.  Took a peek at the code and it looks very slick and I can't wait to kick the tires on it.  From a cursory glance it looks like it should fit the bill nicely.  

The one scenario i'll have to go back and hammer to see if it even still exists is where the core was trying to update a fk reference on a many to one to null on a delete.  In that case it was modifying the current values array w/o calling the setter on my entity so I wasn't trapping the change.  This may no longer apply as this was 2 or 3 years ago at least when I was looking at that.

> Expand CustomEntityDirtinessStrategy to define findDirty
> --------------------------------------------------------
>
>                 Key: HHH-6998
>                 URL: https://hibernate.onjira.com/browse/HHH-6998
>             Project: Hibernate ORM
>          Issue Type: Improvement
>            Reporter: Steve Ebersole
>            Assignee: Steve Ebersole
>             Fix For: 4.1.0
>
>          Time Spent: 3h 22m
>
> {{CustomEntityDirtinessStrategy}} allows applications to bypass dirty checking in cases when they know an entity is not dirty.
> In some of these application, they also carry along the initial ("loaded") state.  In those cases it might be more performant to allow them to tell us which fields changed.  If we go this route though I'd like to take it as an opportunity to explore options for not exposing all these arrays to user code.  So partially this issue will be a discussion of possible approaches to that.

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