transactionoperation using Spring-data and mongoTemplate

transactionoperation

@Transactional(value = "mongoTransactionManager", propagation = Propagation.REQUIRED)
    @Retryable(value = {MongoCommandException.class, MongoException.class}, exclude = {MongoTransactionException.class, UncategorizedMongoDbException.class},
            backoff = @Backoff(delay = 10), maxAttempts = 10)
    public void performingTransactionaOperations(DocumentBean1 document1, DocumentBean2 document2, DocumentBean3 document3){
        try {
            mongoTemplate.insert(document1);
            mongoTemplate.insert(document2);
            mongoTemplate.insert(document3);
            
        }catch (MongoTransactionException | UncategorizedMongoDbException ex){
            MongoException mongoException = null;
            if(ex.getCause() instanceof MongoException) {
                mongoException = (MongoException) ex.getCause();
            }else if(ex.getCause() instanceof MongoCommandException){
                mongoException = (MongoCommandException) ex.getCause();
            }
            if(mongoException!=null && mongoException.hasErrorLabel(MongoException.TRANSIENT_TRANSACTION_ERROR_LABEL)) {
                System.out.println("TransientTransactionError aborting transaction and retrying ...");
                throw mongoException;
            }else if(mongoException!=null &&  mongoException.hasErrorLabel(MongoException.UNKNOWN_TRANSACTION_COMMIT_RESULT_LABEL)){
                log.debug("UnknownTransactionCommitResult, retrying commit operation ...");
                throw mongoException;
            }
            throw ex;
        }
    }