Esempio n. 1
0
        private async Task RunTransactionAsync(Func <CancellationToken, Task> txnFunc, IClientSessionHandle session, IClientSessionHandle parentSession = default(IClientSessionHandle), Action <Behavior> transactionBehaviorAction = default(Action <Behavior>), CancellationToken cancellationToken = default(CancellationToken))
        {
            try
            {
                var transactionBehavior = new Behavior();
                transactionBehaviorAction?.Invoke(transactionBehavior);
                transactionBehavior = transactionBehaviorAction == null ? this.configurationSource.Model.TransactionBehavior : default(Behavior);

                if (parentSession != null)
                {
                    session.AdvanceClusterTime(parentSession.ClusterTime);
                    session.AdvanceOperationTime(parentSession.OperationTime);
                }

                session.StartTransaction(transactionBehavior.ToTransactionOptions());
#if NETFULL
                await txnFunc(cancellationToken).ConfigureAwait(false);

                await commitRetryPolicy.ExecuteAsync((cToken) => CommitAsync(session, cToken), cancellationToken).ConfigureAwait(false);
#else
                await txnFunc(cancellationToken);

                await commitRetryPolicy.ExecuteAsync((cToken) => CommitAsync(session, cToken), cancellationToken);
#endif
            }
            catch (Exception)
            {
#if NETFULL
                await session.AbortTransactionAsync(cancellationToken).ConfigureAwait(false);
#else
                await session.AbortTransactionAsync(cancellationToken);
#endif
                throw;
            }
        }
Esempio n. 2
0
 public void AdvanceClusterTime(BsonDocument newClusterTime)
 {
     _sessionHandle.AdvanceClusterTime(newClusterTime);
 }