How to create transactions using MongoDB Java?

Question

I am working in java (not is spring) on a mongo db collection. I want to perform some update operations in one transaction, so all or none of the operations will be execute.
I didn't find any simple example of how it can be done. I understand that it related to session in mongo db, but how to create this session? If someone have an example of this scenario in java I will appreciate if he could share.

Thanks, Osnat.

See MongoDB Transactions and Java and MongoDB 4.0 Support for Multi-Document ACID Transactions for more info and example code. — prasad_
– prasad_, Commented Sep 22, 2020 at 2:11

Curiosa Globunznik · Accepted Answer · 2020-09-21 18:26:15Z

7

There's a complete example in the mongodb 4 documentation, here.

The usage pattern looks like this:

ClientSession session = client.startSession();
        try {
            session.startTransaction(  ... some tranaction options ... ).build());
            // manipulate data
            session.commitTransaction();
        } catch (MongoCommandException e) {
            session.abortTransaction();
        } finally {
            session.close();
    }

answered Sep 21, 2020 at 18:26

Curiosa Globunznik

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