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: > i don't think it would clear the id and version fields? do you mean using > SerializationUtils clone? > https://commons.apache.org/proper/commons-lang/apidocs/org/ > apache/commons/lang3/SerializationUtils.html > > > On 27/07/18 15:09, Albert Lee 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 >> <matthew.broadh...@nbmlaw.co.uk.invalid> 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? >>> >>> 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 copy function. >>> >>> > -- Albert Lee.
