In practice this is likelymuch more complicated. Where are the boundaries?
If you have a Person which has a relation to a Company, then I assume you do
not want to also clone the whole Company, right? ;)
But of course, the n Address rows probably should get cloned?
Do you see what I mean? This
i have a complicated object with a large number of children, each child
possibly having their own large number of children. what would be great
in OpenJPA is if you could, say, detach an object and run a command
which would null all @Id and @Version fields in the detached Object and
all its
If the java object implements Serializable or Clonable, you can
writeObject/readObject to clone to a new entity. The new object will be
detached and you can reset the id and version as you wish.
On Fri, Jul 27, 2018 at 8:39 AM, Matthew Broadhead <
matthew.broadh...@nbmlaw.co.uk.invalid> wrote:
If the entity is serializable have you try writing it out and read it back
to a new object?
On Fri, Jul 27, 2018, 6:05 AM Matthew Broadhead
wrote:
> is there a way to deep clone a JPA object automatically? i.e. to copy
> all the parameters and children but clear the id and version fields?
>
>
is there a way to deep clone a JPA object automatically? i.e. to copy
all the parameters and children but clear the id and version fields?
i saw that it is possible to do em.detach(object); and then reset the id
and version but by the time i have done that i may as well have written
a full