Example #1
0
        // Create a clone of the transaction that forwards requests to this object.
        //
        public Transaction Clone()
        {
            TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;

            if (etwLog.IsEnabled())
            {
                etwLog.MethodEnter(TraceSourceType.TraceSourceLtm, this);
            }

            if (Disposed)
            {
                throw new ObjectDisposedException(nameof(Transaction));
            }

            if (_complete)
            {
                throw TransactionException.CreateTransactionCompletedException(DistributedTxId);
            }

            Transaction clone = InternalClone();

            if (etwLog.IsEnabled())
            {
                etwLog.MethodExit(TraceSourceType.TraceSourceLtm, this);
            }
            return(clone);
        }
        internal static DistributedTransaction ConvertToDistributedTransaction(Transaction transaction)
        {
            if (null == transaction)
            {
                throw new ArgumentNullException(nameof(transaction));
            }

            if (transaction.Disposed)
            {
                throw new ObjectDisposedException(nameof(Transaction));
            }

            if (transaction._complete)
            {
                throw TransactionException.CreateTransactionCompletedException(transaction.DistributedTxId);
            }

            DistributedTransaction distributedTx = transaction.Promote();

            if (distributedTx == null)
            {
                throw DistributedTransaction.NotSupported();
            }
            return(distributedTx);
        }
Example #3
0
        public IAsyncResult BeginCommit(AsyncCallback asyncCallback, object asyncState)
        {
            TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;

            if (etwLog.IsEnabled())
            {
                etwLog.MethodEnter(TraceSourceType.TraceSourceLtm, this);
                etwLog.TransactionCommit(this, "CommittableTransaction");
            }

            if (Disposed)
            {
                throw new ObjectDisposedException(nameof(CommittableTransaction));
            }

            lock (_internalTransaction)
            {
                if (_complete)
                {
                    throw TransactionException.CreateTransactionCompletedException(DistributedTxId);
                }

                // this.complete will get set to true when the transaction enters a state that is
                // beyond Phase0.
                _internalTransaction.State.BeginCommit(_internalTransaction, true, asyncCallback, asyncState);
            }

            if (etwLog.IsEnabled())
            {
                etwLog.MethodExit(TraceSourceType.TraceSourceLtm, this);
            }

            return(this);
        }
Example #4
0
        public Enlistment PromoteAndEnlistDurable(Guid resourceManagerIdentifier,
                                                  IPromotableSinglePhaseNotification promotableNotification,
                                                  ISinglePhaseNotification enlistmentNotification,
                                                  EnlistmentOptions enlistmentOptions)
        {
            TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;

            if (etwLog.IsEnabled())
            {
                etwLog.MethodEnter(TraceSourceType.TraceSourceDistributed, this);
            }

            if (Disposed)
            {
                throw new ObjectDisposedException(nameof(Transaction));
            }

            if (resourceManagerIdentifier == Guid.Empty)
            {
                throw new ArgumentException(SR.BadResourceManagerId, nameof(resourceManagerIdentifier));
            }

            if (promotableNotification == null)
            {
                throw new ArgumentNullException(nameof(promotableNotification));
            }

            if (enlistmentNotification == null)
            {
                throw new ArgumentNullException(nameof(enlistmentNotification));
            }

            if (enlistmentOptions != EnlistmentOptions.None && enlistmentOptions != EnlistmentOptions.EnlistDuringPrepareRequired)
            {
                throw new ArgumentOutOfRangeException(nameof(enlistmentOptions));
            }

            if (_complete)
            {
                throw TransactionException.CreateTransactionCompletedException(DistributedTxId);
            }

            lock (_internalTransaction)
            {
                Enlistment enlistment = _internalTransaction.State.PromoteAndEnlistDurable(_internalTransaction,
                                                                                           resourceManagerIdentifier, promotableNotification, enlistmentNotification, enlistmentOptions, this);

                if (etwLog.IsEnabled())
                {
                    etwLog.MethodExit(TraceSourceType.TraceSourceDistributed, this);
                }

                return(enlistment);
            }
        }
Example #5
0
        /// <summary>
        /// Create a promotable single phase enlistment that promotes to a distributed transaction manager other than MSDTC.
        /// </summary>
        /// <param name="promotableSinglePhaseNotification">The object that implements the IPromotableSinglePhaseNotification interface.</param>
        /// <param name="promoterType">
        /// The promoter type Guid that identifies the format of the byte[] that is returned by the ITransactionPromoter.Promote
        /// call that is implemented by the IPromotableSinglePhaseNotificationObject, and thus the promoter of the transaction.
        /// </param>
        /// <returns>
        /// True if the enlistment is successful.
        ///
        /// False if the transaction already has a durable enlistment or promotable single phase enlistment or
        /// if the transaction has already promoted. In this case, the caller will need to enlist in the transaction through other
        /// means.
        ///
        /// If the Transaction.PromoterType matches the promoter type supported by the caller, then the
        /// Transaction.PromotedToken can be retrieved and used to enlist directly with the identified distributed transaction manager.
        ///
        /// How the enlistment is created with the distributed transaction manager identified by the Transaction.PromoterType
        /// is defined by that distributed transaction manager.
        /// </returns>
        public bool EnlistPromotableSinglePhase(IPromotableSinglePhaseNotification promotableSinglePhaseNotification, Guid promoterType)
        {
            TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;

            if (etwLog.IsEnabled())
            {
                etwLog.MethodEnter(TraceSourceType.TraceSourceLtm, this);
            }

            if (Disposed)
            {
                throw new ObjectDisposedException(nameof(Transaction));
            }

            if (promotableSinglePhaseNotification == null)
            {
                throw new ArgumentNullException(nameof(promotableSinglePhaseNotification));
            }

            if (promoterType == Guid.Empty)
            {
                throw new ArgumentException(SR.PromoterTypeInvalid, nameof(promoterType));
            }

            if (_complete)
            {
                throw TransactionException.CreateTransactionCompletedException(DistributedTxId);
            }

            bool succeeded = false;

            lock (_internalTransaction)
            {
                succeeded = _internalTransaction.State.EnlistPromotableSinglePhase(_internalTransaction, promotableSinglePhaseNotification, this, promoterType);
            }

            if (etwLog.IsEnabled())
            {
                etwLog.MethodExit(TraceSourceType.TraceSourceLtm, this);
            }

            return(succeeded);
        }
Example #6
0
        public void SetDistributedTransactionIdentifier(IPromotableSinglePhaseNotification promotableNotification,
                                                        Guid distributedTransactionIdentifier)
        {
            TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;

            if (etwLog.IsEnabled())
            {
                etwLog.MethodEnter(TraceSourceType.TraceSourceLtm, this);
            }

            if (Disposed)
            {
                throw new ObjectDisposedException(nameof(Transaction));
            }

            if (promotableNotification == null)
            {
                throw new ArgumentNullException(nameof(promotableNotification));
            }

            if (distributedTransactionIdentifier == Guid.Empty)
            {
                throw new ArgumentException(null, nameof(distributedTransactionIdentifier));
            }

            if (_complete)
            {
                throw TransactionException.CreateTransactionCompletedException(DistributedTxId);
            }

            lock (_internalTransaction)
            {
                _internalTransaction.State.SetDistributedTransactionId(_internalTransaction,
                                                                       promotableNotification,
                                                                       distributedTransactionIdentifier);

                if (etwLog.IsEnabled())
                {
                    etwLog.MethodExit(TraceSourceType.TraceSourceLtm, this);
                }
                return;
            }
        }
Example #7
0
        // Forward the commit to the state machine to take the appropriate action.
        //
        public void Commit()
        {
            TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;

            if (etwLog.IsEnabled())
            {
                etwLog.MethodEnter(TraceSourceType.TraceSourceLtm, this);
                etwLog.TransactionCommit(this, "CommittableTransaction");
            }

            if (Disposed)
            {
                throw new ObjectDisposedException(nameof(CommittableTransaction));
            }

            lock (_internalTransaction)
            {
                if (_complete)
                {
                    throw TransactionException.CreateTransactionCompletedException(DistributedTxId);
                }

                _internalTransaction.State.BeginCommit(_internalTransaction, false, null, null);

                // now that commit has started wait for the monitor on the transaction to know
                // if the transaction is done.
                do
                {
                    if (_internalTransaction.State.IsCompleted(_internalTransaction))
                    {
                        break;
                    }
                } while (Monitor.Wait(_internalTransaction));

                _internalTransaction.State.EndCommit(_internalTransaction);
            }

            if (etwLog.IsEnabled())
            {
                etwLog.MethodExit(TraceSourceType.TraceSourceLtm, this);
            }
        }
Example #8
0
        // Forward request to the state machine to take the appropriate action.
        //
        public Enlistment EnlistVolatile(ISinglePhaseNotification singlePhaseNotification, EnlistmentOptions enlistmentOptions)
        {
            TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;

            if (etwLog.IsEnabled())
            {
                etwLog.MethodEnter(TraceSourceType.TraceSourceLtm, this);
            }

            if (Disposed)
            {
                throw new ObjectDisposedException(nameof(Transaction));
            }

            if (singlePhaseNotification == null)
            {
                throw new ArgumentNullException(nameof(singlePhaseNotification));
            }

            if (enlistmentOptions != EnlistmentOptions.None && enlistmentOptions != EnlistmentOptions.EnlistDuringPrepareRequired)
            {
                throw new ArgumentOutOfRangeException(nameof(enlistmentOptions));
            }

            if (_complete)
            {
                throw TransactionException.CreateTransactionCompletedException(DistributedTxId);
            }

            lock (_internalTransaction)
            {
                Enlistment enlistment = _internalTransaction.State.EnlistVolatile(_internalTransaction,
                                                                                  singlePhaseNotification, enlistmentOptions, this);

                if (etwLog.IsEnabled())
                {
                    etwLog.MethodExit(TraceSourceType.TraceSourceLtm, this);
                }
                return(enlistment);
            }
        }
Example #9
0
        public void Complete()
        {
            TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;

            if (etwLog.IsEnabled())
            {
                etwLog.MethodEnter(TraceSourceType.TraceSourceLtm, this);
            }

            lock (_internalTransaction)
            {
                if (Disposed)
                {
                    throw new ObjectDisposedException(nameof(DependentTransaction));
                }

                if (_complete)
                {
                    throw TransactionException.CreateTransactionCompletedException(DistributedTxId);
                }

                _complete = true;

                if (_blocking)
                {
                    _internalTransaction.State.CompleteBlockingClone(_internalTransaction);
                }
                else
                {
                    _internalTransaction.State.CompleteAbortingClone(_internalTransaction);
                }
            }

            if (etwLog.IsEnabled())
            {
                etwLog.TransactionDependentCloneComplete(this, "DependentTransaction");
                etwLog.MethodExit(TraceSourceType.TraceSourceLtm, this);
            }
        }
Example #10
0
        // Ask the state machine for serialization info.
        //
        void ISerializable.GetObjectData(
            SerializationInfo serializationInfo,
            StreamingContext context)
        {
            TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;

            if (etwLog.IsEnabled())
            {
                etwLog.MethodEnter(TraceSourceType.TraceSourceLtm, this);
            }

            if (Disposed)
            {
                throw new ObjectDisposedException(nameof(Transaction));
            }

            if (serializationInfo == null)
            {
                throw new ArgumentNullException(nameof(serializationInfo));
            }

            if (_complete)
            {
                throw TransactionException.CreateTransactionCompletedException(DistributedTxId);
            }

            lock (_internalTransaction)
            {
                _internalTransaction.State.GetObjectData(_internalTransaction, serializationInfo, context);
            }

            if (etwLog.IsEnabled())
            {
                etwLog.TransactionSerialized(this, "Transaction");
                etwLog.MethodExit(TraceSourceType.TraceSourceLtm, this);
            }
        }
Example #11
0
        // Create a dependent clone of the transaction that forwards requests to this object.
        //
        public DependentTransaction DependentClone(
            DependentCloneOption cloneOption
            )
        {
            TransactionsEtwProvider etwLog = TransactionsEtwProvider.Log;

            if (etwLog.IsEnabled())
            {
                etwLog.MethodEnter(TraceSourceType.TraceSourceLtm, this);
            }

            if (cloneOption != DependentCloneOption.BlockCommitUntilComplete &&
                cloneOption != DependentCloneOption.RollbackIfNotComplete)
            {
                throw new ArgumentOutOfRangeException(nameof(cloneOption));
            }

            if (Disposed)
            {
                throw new ObjectDisposedException(nameof(Transaction));
            }

            if (_complete)
            {
                throw TransactionException.CreateTransactionCompletedException(DistributedTxId);
            }

            DependentTransaction clone = new DependentTransaction(
                _isoLevel, _internalTransaction, cloneOption == DependentCloneOption.BlockCommitUntilComplete);

            if (etwLog.IsEnabled())
            {
                etwLog.TransactionCloneCreate(clone, "DependentTransaction");
                etwLog.MethodExit(TraceSourceType.TraceSourceLtm, this);
            }
            return(clone);
        }