Hi Erik,
On Saturday, December 26, 2015 at 9:43:28 PM UTC+1, Erik Pragt wrote:
>
> Hi all,
>
> Sorry for spamming the mailing list, but I seem to keep running into small
> issues, and it's hard to find some good documentation. I hope you guys can
> help me.
>
> I'm trying to save a document:
>
> public void save(Book book) {
> try (
> OObjectDatabaseTx db = new
> OObjectDatabaseTx("remote:localhost/demo").open("demo", "demo");
> ) {
> db.getEntityManager().registerEntityClass(Book.class);
>
> db.save(book);
> }
> }
>
>
> This works fine. However, when I call the method the second time, I get an
> error:
>
>
> com.orientechnologies.orient.core.storage.ORecordDuplicatedException: Cannot
> index record
> Asin{categoryId:66666,asin:66666,rating:Rating{rating:3.4,numberOfRatings:10},dateProcessed:null}:
> found duplicated key '66666' in index 'asinIdx' previously assigned to the
> record #14:101
> RID=#14:101
>
>
> I don't want to save an extra book, I'd like to update or overwrite the
> previous book. How can I do this?
>
>
I haven't used Object database, but I would expect it needs a proxy-entity,
so you would probably need to fetch - update,
see http://orientdb.com/docs/2.0/orientdb.wiki/Object-2-Record-Java-Binding.html
"
You can save a POJO to the database by calling the method save(pojo). If
the POJO is already a proxied instance, then the database will just save
the record bounded to it. In case the object is not proxied the database
will serialize it and save the corresponded record: *In this case the
object MUST be reassinged with the one returned by the database*
"
hth,
cheers
/m
>
> Thanks,
>
>
> Erik
>
>
>
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