Пример #1
1
        public void GuardarAsignaciones(IList<int> ordenesVenta, IList<Usuario> asistentes)
        {
            try
            {
                var transactionOptions = new TransactionOptions { IsolationLevel = IsolationLevel.ReadUncommitted };

                using (var transactionScope = new TransactionScope(TransactionScopeOption.Required, transactionOptions))
                {
                    foreach (var idOrdenVenta in ordenesVenta)
                    {
                        var ordenVenta = _orderVentaDA.ObtenerPorID(idOrdenVenta);

                        var asistenteConMenorCarga = asistentes.OrderBy(p => p.CantidadOV).FirstOrDefault();

                        if (asistenteConMenorCarga != null)
                        {
                            asistenteConMenorCarga.CantidadOV++;

                            ordenVenta.Estado = Constantes.EstadoOrdenVenta.Asignado;
                            ordenVenta.AsistentePlaneamiento = asistenteConMenorCarga;

                            _orderVentaDA.AsignarAsistentePlaneamiento(ordenVenta);
                        }
                    }

                    transactionScope.Complete();
                }
            }
            catch (Exception ex)
            {
                throw ThrowException(ex, MethodBase.GetCurrentMethod().Name);
            }
        }
Пример #2
0
        public virtual ITransactionContext Begin()
        {
            var options = new TransactionOptions() { IsolationLevel = IsolationLevel.ReadUncommitted };

            this.transaction = new TransactionScope(TransactionScopeOption.Required, options);
            return this;
        }
Пример #3
0
        public string GetThumbnail(int id, System.IO.Stream strm)
        {
            string fileName = this.DB.Products.Where(a => a.ProductID == id).Select(a => a.ThumbnailPhotoFileName).FirstOrDefault();

            if (string.IsNullOrEmpty(fileName))
            {
                return("");
            }
            System.Transactions.TransactionOptions top = new System.Transactions.TransactionOptions();
            top.Timeout        = TimeSpan.FromSeconds(60);
            top.IsolationLevel = System.Transactions.IsolationLevel.Serializable;

            using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, top))
                using (DbConnection conn = DBConnectionFactory.GetRIAppDemoConnection())
                {
                    byte[] bytes = new byte[64 * 1024];

                    string     fldname = "ThumbNailPhoto";
                    BlobStream bstrm   = new BlobStream(conn as SqlConnection, "[SalesLT].[Product]", fldname, string.Format("WHERE [ProductID]={0}", id));
                    bstrm.Open();
                    int cnt = bstrm.Read(bytes, 0, bytes.Length);
                    while (cnt > 0)
                    {
                        strm.Write(bytes, 0, cnt);
                        cnt = bstrm.Read(bytes, 0, bytes.Length);
                    }
                    bstrm.Close();
                    scope.Complete();
                }
            return(fileName);
        }
Пример #4
0
        public void SaveThumbnail(int id, string fileName, System.IO.Stream strm)
        {
            var product = this.DB.Products.Where(a => a.ProductID == id).FirstOrDefault();

            if (product == null)
            {
                throw new Exception("Product is not found");
            }

            TransactionOptions topts = new System.Transactions.TransactionOptions();

            topts.Timeout        = TimeSpan.FromSeconds(60);
            topts.IsolationLevel = System.Transactions.IsolationLevel.Serializable;
            using (TransactionScope trxScope = new TransactionScope(TransactionScopeOption.Required, topts))
                using (DbConnection conn = DBConnectionFactory.GetRIAppDemoConnection())
                {
                    System.IO.BinaryReader br = new System.IO.BinaryReader(strm);
                    byte[]     bytes          = br.ReadBytes(64 * 1024);
                    string     fldname        = "ThumbNailPhoto";
                    BlobStream bstrm          = new BlobStream(conn as SqlConnection, "[SalesLT].[Product]", fldname, string.Format("WHERE [ProductID]={0}", id));
                    bstrm.InitColumn();
                    bstrm.Open();
                    while (bytes != null && bytes.Length > 0)
                    {
                        bstrm.Write(bytes, 0, bytes.Length);
                        bytes = br.ReadBytes(64 * 1024);;
                    }
                    bstrm.Close();
                    br.Close();
                    trxScope.Complete();
                }

            product.ThumbnailPhotoFileName = fileName;
            this.DB.SubmitChanges();
        }
Пример #5
0
        public void Abandon(int masterSysNo, int userSysNo)
        {
            TransactionOptions options = new TransactionOptions();
            options.IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted;
            options.Timeout = TransactionManager.DefaultTimeout;

            using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, options))
            {

                //�����dz�ʼ״̬
                POInfo dbInfo = LoadPO(masterSysNo);
                if ( dbInfo == null )
                    throw new BizException("does not exist this po sysno");
                if ( dbInfo.Status != (int)AppEnum.POStatus.Origin )
                    throw new BizException("status is not origin now, abandon failed");

                //���� ���š�״̬�������
                Hashtable ht = new Hashtable(4);

                ht.Add("SysNo", masterSysNo);
                ht.Add("Status", (int)AppEnum.POStatus.Abandon);
                if ( 1!=new PODac().UpdateMaster(ht))
                    throw new BizException("expected one-row update failed, verify failed ");

                ProductIDManager.GetInstance().AbandonProductIDsByPO(masterSysNo);

                scope.Complete();
            }
        }
Пример #6
0
        public MsmqScopeOptions(TimeSpan? requestedTimeout = null, IsolationLevel? requestedIsolationLevel = null)
        {
            var timeout = TransactionManager.DefaultTimeout;
            var isolationLevel = IsolationLevel.ReadCommitted;
            if (requestedTimeout.HasValue)
            {
                var maxTimeout = GetMaxTimeout();

                if (requestedTimeout.Value > maxTimeout)
                {
                    throw new ConfigurationErrorsException(
                        "Timeout requested is longer than the maximum value for this machine. Override using the maxTimeout setting of the system.transactions section in machine.config");
                }

                timeout = requestedTimeout.Value;
            }

            if (requestedIsolationLevel.HasValue)
            {
                isolationLevel = requestedIsolationLevel.Value;
            }

            TransactionOptions = new TransactionOptions
            {
                IsolationLevel = isolationLevel,
                Timeout = timeout
            };
        }
Пример #7
0
 private static WaitCallback JobEntity(TransactionOptions options)
 {
     return state =>
         {
             try
             {
                 using (var scope = new TransactionScope(TransactionScopeOption.RequiresNew, options))
                 {
                     using (var context = new ProjectTemplate_DevEntities())
                     {
                         var element = context.Element.First(d => d.Id == "d0530ea7-639f-4d5e-91fb-1a4fed1debfe");
                         var intInternalName = Int32.Parse(element.InternalName);
                         PrintMessage("ReadValue=" + intInternalName.ToString());
                         element.InternalName = (intInternalName + 1).ToString();
                         PrintMessage("Incrementing to" + element.InternalName);
                         Thread.Sleep(2000);
                         context.SaveChanges(); // Save changes to DB
                         PrintMessage("Saving");
                         Thread.Sleep(2000);
                     }
                     scope.Complete(); // Commit transaction
                     PrintMessage("Commit");
                 }
             }
             catch (Exception e)
             {
                 PrintMessage( e.Message);
             }finally
             {
                 ((ManualResetEvent)state).Set();
             }
         };
 }
Пример #8
0
            public async Task Should_Fall_Inhability_Validate_Incidents()
            {
                var txOptions = new System.Transactions.TransactionOptions();

                txOptions.IsolationLevel = System.Transactions.IsolationLevel.ReadUncommitted;

                using var scope = new TransactionScope(TransactionScopeOption.Required, txOptions, TransactionScopeAsyncFlowOption.Enabled);

                //Act
                Guid instanceId        = Guid.NewGuid(); //Guid.Parse("33D7CA50-39E9-4B14-B482-5FCBEC07E8DB");
                Guid identityWorkId    = Guid.NewGuid(); //Guid.Parse("7535C4E6-4712-4DD6-955D-FCA86E054D49");
                var  middlewareManager = new MiddlewareManager <Inhability>(new BaseRecordManager <Inhability>(), new InhabilityValidator());
                Guid id = Guid.Empty;

                try
                {
                    var inhabilities   = await new InhabilityManagerUT().CreateDefaultAsync <Inhability>(identityWorkId, instanceId);
                    var employeeId     = inhabilities.FirstOrDefault().EmployeeID;
                    var incidentTypeId = inhabilities.FirstOrDefault().IncidentTypeID;
                    var incidents      = await new IncidentManagerUT().CreateDefaultAsync <Incident>(identityWorkId, instanceId, employeeId, incidentTypeId);


                    Assert.False(true);
                }
                catch (Exception ex)
                {
                    Assert.Contains("Existe 1 o más registros que ya existen en la base de datos con el campo: Folio", ex.Message);
                }
            }
Пример #9
0
        /// <summary>
        /// ����rma��
        /// </summary>
        /// <param name="rmaInfo"></param>
        public void AddRMA(RMARequestInfo rmaInfo)
        {
            TransactionOptions options = new TransactionOptions();
            options.IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted;
            options.Timeout = TransactionManager.DefaultTimeout;

            using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, options))
            {
                rmaInfo.SysNo = SequenceDac.GetInstance().Create("RMA_Request_Sequence");
                rmaInfo.RequestID = this.BuildRMAID(rmaInfo.SysNo);
                rmaInfo.Status = (int)AppEnum.RMAStatus.Origin;
                this.InsertRequest(rmaInfo);
                foreach (RMARegisterInfo rmaItem in rmaInfo.ItemHash.Values)
                {
                    rmaItem.SysNo = SequenceDac.GetInstance().Create("RMA_Register_Sequence");
                    rmaItem.Status = (int)AppEnum.RMARequestStatus.Orgin;
                    rmaItem.OwnBy = (int)AppEnum.RMAOwnBy.Origin;
                    rmaItem.Location = (int)AppEnum.RMALocation.Origin;
                    RMARegisterManager.GetInstance().InsertRegister(rmaItem);
                    RMARequestItemInfo rmaiteminfo = new RMARequestItemInfo();
                    rmaiteminfo.RegisterSysNo = rmaItem.SysNo;
                    rmaiteminfo.RequestSysNo = rmaInfo.SysNo;
                    this.InsertRequestItem(rmaiteminfo);
                }

                scope.Complete();
            }
            //SendMail(rmaInfo);
        }
Пример #10
0
        public void CommendCustomerEmailList(int CustomerSysNo,decimal FreeShipFee,Hashtable ht,string EmailBody)
        {
            TransactionOptions options = new TransactionOptions();
            options.IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted;
            options.Timeout = TransactionManager.DefaultTimeout;

            using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, options))
            {
                if (!VerifyValidEmailList(ht))
                    throw new BizException("�����ظ��Ƽ�!");

                CustomerInfo cInfo = CustomerManager.GetInstance().Load(CustomerSysNo);
                string CustomerName = cInfo.CustomerName;
                string mailSubject = CustomerName + " �����Ƽ�ORS�̳���";
                foreach (string email in ht.Keys)
                {
                    UpdateCustomerCommendStatus(email, (int) AppEnum.CommendStatus.Origin);

                    string mailBody = "@FriendName<br>" + EmailBody + "<br>@CustomerName<br>" + DateTime.Now.ToString(AppConst.DateFormat);
                    mailBody = mailBody.Replace("@FriendName", ht[email].ToString());
                    mailBody = mailBody.Replace("@CustomerName", CustomerName);

                    EmailInfo oEmail = new EmailInfo(email, mailSubject, mailBody);
                    EmailManager.GetInstance().InsertEmail(oEmail);
                }

                SetFreeShipFee(CustomerSysNo, FreeShipFee, (int)AppEnum.FreeShipFeeLogType.CommendCustomer, "�Ƽ�����Email");

                scope.Complete();
            }
        }
Пример #11
0
        public int AddItem(RMARevertInfo oParam)
        {
            TransactionOptions options = new TransactionOptions();
            options.IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted;
            options.Timeout = TransactionManager.DefaultTimeout;

            using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, options))
            {
                foreach (int registerSysNo in oParam.ItemHash.Keys)
                {
                    RMARevertItemInfo oRevertItem = new RMARevertItemInfo();
                    oRevertItem.RegisterSysNo = registerSysNo;
                    oRevertItem.RevertSysNo = oParam.SysNo;
                    //��Register�ֿ��д��RMA_Revert_Item
                    int revertStockSysNo = AppConst.IntNull;
                    DataRow regdr = RMARegisterManager.GetInstance().GetRegisterRow(registerSysNo);
                    revertStockSysNo = Util.TrimIntNull(regdr["RevertStockSysNo"]);

                    oRevertItem.StockSysNo = Util.TrimIntNull(revertStockSysNo);

                    this.InsertRevertItem(oRevertItem);
                }

                scope.Complete();
                return oParam.SysNo;
            }
        }
 public static TransactionScope CreateTransactionScope()
 {
     var transactionOptions = new TransactionOptions();
     transactionOptions.IsolationLevel = IsolationLevel.ReadUncommitted;
     transactionOptions.Timeout = TimeSpan.FromSeconds(300);
     return new TransactionScope(TransactionScopeOption.Required, transactionOptions);
 }
        /// <summary>
        /// Initializes the <see cref="IDequeueMessages" />.
        /// </summary>
        /// <param name="address">The address to listen on.</param>
        /// <param name="transactionSettings">The <see cref="TransactionSettings" /> to be used by <see cref="IDequeueMessages" />.</param>
        /// <param name="tryProcessMessage">Called when a message has been dequeued and is ready for processing.</param>
        /// <param name="endProcessMessage">Needs to be called by <see cref="IDequeueMessages" /> after the message has been processed regardless if the outcome was successful or not.</param>
        public void Init(Address address, TransactionSettings transactionSettings, Func<TransportMessage, bool> tryProcessMessage, Action<TransportMessage, Exception> endProcessMessage)
        {
            this.tryProcessMessage = tryProcessMessage;
            this.endProcessMessage = endProcessMessage;
            this.workQueue = this.NamePolicy.GetQueueName(address);
            this.clientInfo = string.Format("OracleAQDequeueStrategy for {0}", this.workQueue);

            this.transactionOptions = new TransactionOptions
            {
                IsolationLevel = transactionSettings.IsolationLevel,
                Timeout = transactionSettings.TransactionTimeout,
            };

            this.dequeueOptions = new OracleAQDequeueOptions
            {
                DequeueMode = OracleAQDequeueMode.Remove,
                ProviderSpecificType = true,
                Wait = 0,
            };

            if (this.PurgeOnStartup)
            {
                this.Purger.Purge(this.workQueue);
            }
        }
Пример #14
0
        public void CommendCustomerEmailVerified(int CustomerSysNo,string CommendEmail)
        {
            TransactionOptions options = new TransactionOptions();
            options.IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted;
            options.Timeout = TransactionManager.DefaultTimeout;

            using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, options))
            {
                CustomerCommendInfo oInfo = LoadCustomerCommend(CommendEmail);
                if(oInfo == null)
                    throw new BizException("");
                decimal increment = 5; //�Ƽ��ĺ���ͨ��Email��֤����5���˷�
                int rowsAffected = new FreeShipFeeDac().SetFreeShipFee(CustomerSysNo, increment);
                if (rowsAffected != 1)
                    throw new BizException("�ͻ��˷�������ʧ�ܣ�������Ϊ�˷����㡣");

                UpdateCustomerCommendStatus(CommendEmail, (int) AppEnum.CommendStatus.Registered); //�����Ƽ�״̬

                if (increment != 0)
                {
                    int freeShipFeeLogType = (int)AppEnum.FreeShipFeeLogType.CustomerRegister;
                    string freeShipFeeLogMemo = "�Ƽ��ͻ�ע�����˷� - " + CommendEmail;
                    CustomerFreeShipFeeLogInfo oLog = new CustomerFreeShipFeeLogInfo(CustomerSysNo, freeShipFeeLogType, increment, freeShipFeeLogMemo);
                    oLog.LogCheck = oLog.CalcLogCheck();

                    if (1 != new FreeShipFeeDac().Insert(oLog))
                        throw new BizException("�����˷����ʧ��");
                }

                scope.Complete();
            }
        }
Пример #15
0
            public async Task Should_Create_Inhability_And_Get_ToValidate_Finally_do_Delete()
            {
                var txOptions = new System.Transactions.TransactionOptions();

                txOptions.IsolationLevel = System.Transactions.IsolationLevel.ReadUncommitted;

                using var scope = new TransactionScope(TransactionScopeOption.Required, txOptions, TransactionScopeAsyncFlowOption.Enabled);

                //Act
                Guid identityWorkId    = Guid.NewGuid(); //Guid.Parse("7535C4E6-4712-4DD6-955D-FCA86E054D49");
                Guid instanceId        = Guid.NewGuid(); //Guid.Parse("33D7CA50-39E9-4B14-B482-5FCBEC07E8DB");
                var  inhabilities      = await new InhabilityManagerUT().CreateDefaultAsync <Inhability>(identityWorkId, instanceId);
                var  middlewareManager = new MiddlewareManager <Inhability>(new BaseRecordManager <Inhability>(), new InhabilityValidator());

                //Asserts
                //Get
                var result = await middlewareManager
                             .GetByIdsAsync(inhabilities.Select(p => p.ID).ToList(), identityWorkId);

                Assert.True(result.Any());

                //Delete
                await middlewareManager.DeleteAsync(inhabilities.Select(p => p.ID).ToList(), identityWorkId);

                //Get it again to verify if the registry it was deleted
                var result2 = await middlewareManager
                              .GetByIdsAsync(inhabilities.Select(p => p.ID).ToList(), identityWorkId);

                Assert.False(result2.Any());
            }
        public DistributedTransactionCoordinator(IsolationLevel isolationLevel)
        {
            TransactionOptions options = new TransactionOptions();
            options.IsolationLevel = isolationLevel;

            this.transactionScope = new TransactionScope(TransactionScopeOption.Required, options);
        }
Пример #17
0
        /// Execute action
        public override object Execute()
        {
            TransactionOptions options = new TransactionOptions
                                             {
                                                 IsolationLevel = IsolationLevel,
                                                 Timeout = (Utils.ToTimeSpan(Context.TransformStr(Timeout, Transform)) ?? TimeSpan.FromSeconds(60))
                                             };

            VerboseMessage(" -- Starting transaction {0} (Isolation: {1}) --",Option,IsolationLevel);

            object ret;
            using (TransactionScope scope=new TransactionScope(Option,options))
            {
                try
                {
                    ret = base.Execute();
                    scope.Complete();
                    VerboseMessage(" -- Transaction commit --");
                }
                catch
                {
                    VerboseMessage(" -- Transaction rollback --");
                    throw;
                }
            }

            return ret;
        }
        public void TransactionCommit()
        {
            ITransactionScopeAdapter txAdapter = (ITransactionScopeAdapter) mocks.CreateMock(typeof(ITransactionScopeAdapter));

            using (mocks.Ordered())
            {
                Expect.Call(txAdapter.IsExistingTransaction).Return(false);
                TransactionOptions txOptions = new TransactionOptions();
                txOptions.IsolationLevel = IsolationLevel.ReadCommitted;
                txAdapter.CreateTransactionScope(TransactionScopeOption.Required, txOptions, EnterpriseServicesInteropOption.None);

                Expect.Call(txAdapter.RollbackOnly).Return(false);
                txAdapter.Complete();
                txAdapter.Dispose();
            }
            mocks.ReplayAll();

            TxScopeTransactionManager tm = new TxScopeTransactionManager(txAdapter);
            tm.TransactionSynchronization = TransactionSynchronizationState.Always;

            TransactionTemplate tt = new TransactionTemplate(tm);
            tt.Execute(status =>
                           {
                               Assert.IsTrue(TransactionSynchronizationManager.SynchronizationActive);
                               Assert.IsFalse(TransactionSynchronizationManager.CurrentTransactionReadOnly);
                               return null;
                           });

            Assert.IsFalse(TransactionSynchronizationManager.SynchronizationActive);
            Assert.IsFalse(TransactionSynchronizationManager.CurrentTransactionReadOnly);   

            mocks.VerifyAll();


        }
        public void InsertUsingSystemTransactions()
        {
            var options = new TransactionOptions { IsolationLevel = IsolationLevel.ReadCommitted };

            SqliteSession.Trace = true;

            using (var db = new SqliteSession("Data Source=TempDb" + DateTime.Now.Ticks + ".db;DefaultTimeout=100", false))
            {
                db.Connection.Open();
                db.CreateTable<TestObj>();
                db.Connection.Close();

                using (var trans = new TransactionScope(TransactionScopeOption.Required, options))
                {
                    db.Connection.Open();
                    db.Insert(new TestObj { Text = "My Text" });
                }

                Assert.AreEqual(0, db.Table<TestObj>().Count());

                db.Connection.Close();

                using (var trans = new TransactionScope(TransactionScopeOption.Required, options))
                {
                    db.Connection.Open();
                    db.Insert(new TestObj { Text = "My Text" });
                    trans.Complete();
                }

                Assert.AreEqual(1, db.Table<TestObj>().Count());
            }
        }
 /// <summary>
 /// 获取事务隔离级别
 /// </summary>
 /// <returns></returns>
 public static TransactionOptions GetTransactionOptions()
 {
     TransactionOptions transactionOptions = new TransactionOptions();
         switch (ConfigurationManager.AppSettings["IsolationLevel"].ToString())
         {
             case "Chaos":
                 transactionOptions.IsolationLevel = IsolationLevel.Chaos;
                 break;
             case "ReadCommitted":
                 transactionOptions.IsolationLevel = IsolationLevel.ReadCommitted;
                 break;
             case "ReadUncommitted":
                 transactionOptions.IsolationLevel = IsolationLevel.ReadUncommitted;
                 break;
             case "RepeatableRead":
                 transactionOptions.IsolationLevel = IsolationLevel.RepeatableRead;
                 break;
             case "Serializable":
                 transactionOptions.IsolationLevel = IsolationLevel.Serializable;
                 break;
             case "Snapshot":
                 transactionOptions.IsolationLevel = IsolationLevel.Snapshot;
                 break;
             case "Unspecified":
                 transactionOptions.IsolationLevel = IsolationLevel.Unspecified;
                 break;
             default:
                 transactionOptions.IsolationLevel = IsolationLevel.ReadCommitted;
                 break;
         }
     return transactionOptions;
 }
        public bool RemoveFileVersionsForFile(int fileId)
        {
            try
            {
                var option = new TransactionOptions();
                option.IsolationLevel = IsolationLevel.ReadCommitted;

                using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, option))
                {
                    var fileVersions = from fv in dbContext.FileVersions
                                       where fv.FileId == fileId
                                       select fv;
                    foreach (FileVersion fileVersion in fileVersions)
                    {
                        dbContext.FileVersions.DeleteOnSubmit(fileVersion);
                    }
                    dbContext.SubmitChanges();
                    scope.Complete();
                }
                return true;
            }
            catch (Exception e)
            {
                Console.WriteLine("Fileversion for file could not be removed. File id: " + fileId + "Error: \n" + e);
                return false;
            }
        }
        public bool AddProject(string title, string description, string projectFolder, Library.User projectAdministratorUser)
        {
            User adminUser = dbUser.FindUserById(projectAdministratorUser.Id);
            if (adminUser == null)
            {
                return false;
            }

            Project project = new Project(title, description, projectFolder, adminUser);
            try
            {
                var option = new TransactionOptions();
                option.IsolationLevel = IsolationLevel.ReadCommitted;

                using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, option))
                {
                    dbContext.Projects.InsertOnSubmit(project);
                    dbContext.ProjectUsers.InsertOnSubmit(new ProjectUsers { Project = project, User = project.ProjectAdministrators.FirstOrDefault(), UserType = UserType.Administrator });
                    dbContext.SubmitChanges();
                    if (true) //TODO check if the data added to db were sucessfull / valid.
                        scope.Complete();
                }
                return true;
            }
            catch (Exception e)
            {
                throw new Exception("Project not added to db " + e);
            }
        }
Пример #23
0
        //TransactionScopeAsyncFlowOption transactionScopeAsyncFlowOption = TransactionScopeAsyncFlowOption.Suppress) // .NET 4.5.1 feature
        public static TransactionScope CreateRepeatableRead(
            TransactionScopeOption transactionScopeOption = TransactionScopeOption.Required,
            TimeSpan? timeout = null)
        {
            var transactionOptions = new TransactionOptions
            {
                IsolationLevel = IsolationLevel.RepeatableRead,
            };

            // Upgrade isolation level if necessary
            if (transactionScopeOption == TransactionScopeOption.Required)
            {
                var currentTransaction = Transaction.Current;
                if (currentTransaction != null && currentTransaction.IsolationLevel == IsolationLevel.Serializable)
                {
                    transactionOptions.IsolationLevel = currentTransaction.IsolationLevel;
                }
            }

            if (timeout.HasValue)
            {
                transactionOptions.Timeout = timeout.Value;
            }

            return new TransactionScope(transactionScopeOption, transactionOptions/*, transactionScopeAsyncFlowOption*/);
        }
Пример #24
0
        public void CancelAbandon(int masterSysNo)
        {
            TransactionOptions options = new TransactionOptions();
            options.IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted;
            options.Timeout = TransactionManager.DefaultTimeout;

            using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, options))
            {

                AdjustInfo masterInfo = Load(masterSysNo);

                //�����Ƿ���״̬
                if ( masterInfo.Status != (int)AppEnum.AdjustStatus.Abandon )
                    throw new BizException("status is not abandon now ,  cancel abandon failed");

                //���� ���š�״̬
                Hashtable ht = new Hashtable(4);
                ht.Add("SysNo", masterSysNo);
                ht.Add("Status", (int)AppEnum.AdjustStatus.Origin);
                if ( 1!=new AdjustDac().UpdateMaster(ht))
                    throw new BizException("expected one-row update failed, cancel abandon failed ");

                //���Ӷ�available������ռ��
                foreach(AdjustItemInfo item in masterInfo.itemHash.Values)
                {
                    if ( item.AdjustQty < 0 )
                    {
                        InventoryManager.GetInstance().SetAvailableQty(masterInfo.StockSysNo, item.ProductSysNo, -1*item.AdjustQty);
                    }
                }
                scope.Complete();
            }
        }
Пример #25
0
 public void Commit(TransactionScopeOption scopeOption, TransactionOptions transactionOptions)
 {
     using (TransactionScope scope = new TransactionScope(scopeOption, transactionOptions))
     {
         foreach (UnitOfWork.Operation operation2 in from o in this.operations
                                                     orderby o.ProcessDate
                                                     select o)
         {
             switch (operation2.Type)
             {
                 case UnitOfWork.OperationType.Insert:
                     operation2.Repository.PersistNewItem(operation2.Entity);
                     break;
                 case UnitOfWork.OperationType.Update:
                     operation2.Repository.PersistUpdatedItem(operation2.Entity);
                     break;
                 case UnitOfWork.OperationType.Delete:
                     operation2.Repository.PersistDeletedItem(operation2.Entity);
                     break;
             }
         }
         scope.Complete();
     }
     foreach (EntityBase entityBase in (from operation in this.operations
                                        select operation.Entity).OfType<EntityBase>())
     {
         entityBase.ClearChangedProperties();
     }
     this.Reset();
 }
Пример #26
0
        public ATMOperationResult GetCardCash(string cardNumber, string cardPIN, out decimal cash)
        {
            cash = 0.0M;

            var options = new TransactionOptions
            {
                IsolationLevel = IsolationLevel.RepeatableRead,
                Timeout = new TimeSpan(0, 0, 0, 10)
            };

            using (var scope = new TransactionScope(TransactionScopeOption.RequiresNew, options))
            {
                var matches = this.atmContext.CardAccounts.Where(a => a.CardNumber == cardNumber).ToList();

                if (matches.Count == 0)
                {
                    return ATMOperationResult.CardNumberInvalid;
                }

                var account = matches[0];

                if (account.CardPIN != cardPIN)
                {
                    return ATMOperationResult.CardPINInvalid;
                }

                cash = account.CardCash;

                scope.Complete();

                return ATMOperationResult.Success;
            }
        }
Пример #27
0
 public static TransactionScope CreateTransactionScope()
 {
     var transactionOptions = new TransactionOptions();
     transactionOptions.IsolationLevel = IsolationLevel.ReadCommitted;
     transactionOptions.Timeout = TimeSpan.MaxValue;
     return new TransactionScope(TransactionScopeOption.Required, transactionOptions);
 }
        public async Task Should_Create_PermanentMovement_And_Get_ToValidate_Finally_do_Delete()
        {
            var txOptions = new System.Transactions.TransactionOptions();

            txOptions.IsolationLevel = System.Transactions.IsolationLevel.ReadUncommitted;

            using var scope = new TransactionScope(TransactionScopeOption.Required, txOptions, TransactionScopeAsyncFlowOption.Enabled);

            //Act
            Guid identityWorkId     = Guid.NewGuid();
            Guid instanceId         = Guid.NewGuid();
            var  permanentMovements = await new PermanentMovementManagerUT().CreateDefaultAsync <PermanentMovement>(identityWorkId, instanceId);
            var  middlewareManager  = new MiddlewareManager <PermanentMovement>(new BaseRecordManager <PermanentMovement>(), new PermanentMovementValidator());

            //Asserts
            //Get
            var result = await middlewareManager
                         .GetByIdsAsync(permanentMovements.Select(p => p.ID).ToList(), identityWorkId);

            Assert.True(result.Any());

            //Delete
            await middlewareManager.DeleteAsync(permanentMovements.Select(p => p.ID).ToList(), identityWorkId);

            Assert.True(result.FirstOrDefault().ID == permanentMovements.FirstOrDefault().ID);

            //Get it again to verify if the registry it was deleted
            var result2 = await middlewareManager
                          .GetByIdsAsync(permanentMovements.Select(p => p.ID).ToList(), identityWorkId);

            Assert.False(result2.Any());
        }
Пример #29
0
 public static TransactionScope CreateTransactionScope()
 {
     var transactionOptions = new TransactionOptions();
     transactionOptions.IsolationLevel = IsolationLevel.ReadCommitted;
     transactionOptions.Timeout = TransactionManager.MaximumTimeout;
     return new TransactionScope(TransactionScopeOption.Required, transactionOptions);
 }
Пример #30
0
		public TransactionScope (TransactionScopeOption scopeOption,
			TransactionOptions options,
			DTCOption opt)
		{
			Initialize (scopeOption, null, options, opt,
				TransactionManager.DefaultTimeout);
		}
        public static List<SalesHistoryData> GetSalesHistory()
        {
            List<SalesHistoryData> result = new List<SalesHistoryData>();
            try
            {
                // The encrypted list will timeout for slightly large lists (in the hundreds), so the list is
                // being grabbed in smaller chunks.  Transaction logic is used to lock the list while the list is being
                // grabbed.
                TransactionOptions transactionOptions = new TransactionOptions();
                transactionOptions.IsolationLevel = IsolationLevel.RepeatableRead;
                transactionOptions.Timeout = new TimeSpan(0, 2, 0);
                using (TransactionScope scope = new TransactionScope(TransactionScopeOption.RequiresNew, transactionOptions))
                {
                    Console.WriteLine("Test 1: List all Sales Orders");
                    int take = 5;
                    int count = UserSession.Current.Client.GetSalesOrderListCount();
                    for (int skip = 0; skip < count; skip = skip + take)
                    {
                        List<SalesHistoryData> salesOrders = UserSession.Current.Client.GetSalesHistory(take, skip).ToList();
                        result = result.Union(salesOrders).ToList();
                    }
                    result = result.OrderByDescending(so => so.SalesOrderNumber).ThenBy(so => so.SortOrder).ToList();
                    //No scope.Complete here as no write tasks are being scoped.

                    scope.Dispose();
                }
            }
            catch (Exception) { throw; }
            return result;
        }
Пример #32
0
        public void Import()
        {
            if ( !AppConfig.IsImportable)
                throw new BizException("Is Importable is false");

            /*  do not  use the following code after Data Pour in */
            string sql = " select top 1 * from currency ";
            DataSet ds = SqlHelper.ExecuteDataSet(sql);
            if ( Util.HasMoreRow(ds) )
                throw new BizException("the table currency is not empty");

            TransactionOptions options = new TransactionOptions();
            options.IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted;
            options.Timeout = TransactionManager.DefaultTimeout;

            using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, options))
            {

                try
                {

                    string sql1 = @"select a.*, isnull(b.exchangerate,0) as exchangerate from ipp2003..currency a, ipp2003..exchange_rate b
                                    where a.sysno *=b.currencysysno";
                    DataSet ds1 = SqlHelper.ExecuteDataSet(sql1);
                    foreach(DataRow dr1 in ds1.Tables[0].Rows )
                    {
                        CurrencyInfo item = new CurrencyInfo();

                        item.CurrencyID = Util.TrimNull(dr1["CurrencyID"]);
                        item.CurrencyName = Util.TrimNull(dr1["CurrencyName"]);
                        item.CurrencySymbol = Util.TrimNull(dr1["CurrencySymbol"]);

                        if ( dr1["IfBasic"] == System.DBNull.Value )
                            item.IsLocal = (int)AppEnum.YNStatus.No;
                        else if ( Convert.ToBoolean(dr1["IfBasic"])==true)
                            item.IsLocal = (int)AppEnum.YNStatus.Yes;
                        else
                            item.IsLocal = (int)AppEnum.YNStatus.No;

                        item.ExchangeRate = Util.TrimDecimalNull(dr1["ExchangeRate"]);
                        item.ListOrder = Util.TrimNull(dr1["CurrencyID"]);
                        item.Status = Util.TrimIntNull(dr1["Status"]);

                        this.Insert(item);

                        //insert into convert table
                        ImportInfo oConvert = new ImportInfo();
                        oConvert.OldSysNo = Util.TrimIntNull(dr1["SysNo"]);
                        oConvert.NewSysNo = item.SysNo;
                        new ImportDac().Insert(oConvert, "Currency");
                    }
                }
                catch(Exception ex)
                {
                    currencyHash.Clear();
                    throw ex;
                }
                scope.Complete();
            }
        }
Пример #33
0
        public void Import()
        {
            if ( !AppConfig.IsImportable)
                throw new BizException("Is Importable is false");

            /*  do not  use the following code after Data Pour in */
            string sql = " select top 1 * from bulletin ";
            DataSet ds = SqlHelper.ExecuteDataSet(sql);
            if ( Util.HasMoreRow(ds) )
                throw new BizException("the table bulletin is not empty");

            TransactionOptions options = new TransactionOptions();
            options.IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted;
            options.Timeout = TransactionManager.DefaultTimeout;

            using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, options))
            {

                string sql1 = @"select 1 as sysno, message, status from ipp2003..messagebar";
                DataSet ds1 = SqlHelper.ExecuteDataSet(sql1);
                foreach(DataRow dr1 in ds1.Tables[0].Rows )
                {
                    BulletinInfo item = new BulletinInfo();
                    map(item, dr1);
                    new BulletinDac().Insert(item);

                }

            scope.Complete();
            }
        }
Пример #34
0
        /// <summary>
        /// ����rma��
        /// </summary>
        /// <param name="rmaInfo"></param>
        public void AddRMA(RMAInfo rmaInfo)
        {
            TransactionOptions options = new TransactionOptions();
            options.IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted;
            options.Timeout = TransactionManager.DefaultTimeout;

            using (TransactionScope scope = new TransactionScope(TransactionScopeOption.Required, options))
            {
                if(!this.IfExistOpenedRMA(rmaInfo.SOSysNo))
                {
                    Hashtable leftHash = this.GetLeftRMAQty(rmaInfo.SOSysNo);
                    foreach(RMAItemInfo item in rmaInfo.ItemHash.Values)
                    {
                        if(item.RMAQty>(int)leftHash[item.ProductSysNo])
                            throw new BizException("����д�ı�����Ʒ�����������۵���ʵ�ʹ�����������ȷ���豣�޵���Ʒ��Ϊ�˵�����");
                    }
                    rmaInfo.SysNo = SequenceDac.GetInstance().Create("RMA_Sequence");
                    rmaInfo.RMAID = this.BuildRMAID(rmaInfo.SysNo);
                    rmaInfo.SubmitInfo = this.GetRMASnapShot(rmaInfo);
                    rmaInfo.Status = (int)AppEnum.RMAStatus.Origin;
                    this.InsertMaster(rmaInfo);
                    foreach(RMAItemInfo rmaItem in rmaInfo.ItemHash.Values)
                    {
                        rmaItem.RMASysNo = rmaInfo.SysNo;
                        this.InsertItem(rmaItem);
                    }
                }
                else
                    throw new BizException("�����۵��Ѿ�����һ�ű��޵��ڴ����У�������������ύ�µı������룬����ϵORS�̳ǿͷ�");
                scope.Complete();
            }
        }
		/// <summary>
		/// Implementors should start the
		/// transaction on the underlying resource
		/// </summary>
		public void Start()
		{
			TransactionScopeOption scopeOption = mode == TransactionMode.Requires ? TransactionScopeOption.Required : TransactionScopeOption.RequiresNew;
			
			TransactionOptions options = new TransactionOptions();
			
			switch(isolationMode)
			{
				case IsolationMode.ReadCommitted:
					options.IsolationLevel = IsolationLevel.ReadCommitted;
					break;
				case IsolationMode.Chaos:
					options.IsolationLevel = IsolationLevel.Chaos;
					break;
				case IsolationMode.ReadUncommitted:
					options.IsolationLevel = IsolationLevel.ReadUncommitted;
					break;
				case IsolationMode.Serializable:
					options.IsolationLevel = IsolationLevel.Serializable;
					break;
				case IsolationMode.Unspecified:
					options.IsolationLevel = IsolationLevel.Unspecified;
					break;
			}

			scope = new TransactionScope(scopeOption, options);
		}
Пример #36
0
        internal static TransactionScope SetTransScope()
        {
            TransactionScope tranScope = null;

            System.Transactions.TransactionOptions tranOpt = default(System.Transactions.TransactionOptions);
            tranOpt.Timeout = new System.TimeSpan(0, 30, 0);
            tranScope       = new TransactionScope(TransactionScopeOption.Required, tranOpt);
            return(tranScope);
        }
Пример #37
0
        protected void ExecuteInReadUnCommitedIsolation(Action operationsDelegate)
        {
            TransactionOptions opts = new System.Transactions.TransactionOptions();

            opts.IsolationLevel = System.Transactions.IsolationLevel.ReadUncommitted;
            using (NgTsTransactionScope tranScope = new NgTsTransactionScope(TransactionScopeOption.RequiresNew, opts))
            {
                operationsDelegate();
                tranScope.Complete();
            }
        }
Пример #38
0
        public async Task <List <Model.OrderAppointment> > ToListAsync(OrderAppointmentQuery query)
        {
            List <Entities.OrderAppointment> l = new List <OrderAppointment>();

            var transactionOptions = new System.Transactions.TransactionOptions();

            transactionOptions.IsolationLevel = System.Transactions.IsolationLevel.ReadUncommitted;

            using (var t = new TransactionScope(TransactionScopeOption.Required, transactionOptions, TransactionScopeAsyncFlowOption.Enabled))
            {
                l = await OrderAppointment_BuildQuery(query)
                    .AsNoTracking()
                    .ToListAsync();

                t.Complete();
                t.Dispose();
            }



            var result = l.Select(x => new Model.OrderAppointment
            {
                BillOfLading       = x.BillOfLading,
                BoxesCount         = x.BoxesCount,
                BoxSize            = x.BoxSize,
                ConfirmationNumber = x.ConfirmationNumber,
                CustomerId         = x.CustomerId,
                DivisionId         = x.DivisionId,
                EndDate            = x.EndDate,
                Notes               = x.Notes,
                PickTicketId        = x.PickTicketId,
                Pieces              = x.Pieces,
                PtBulk              = x.PtBulk,
                PurchaseOrderId     = x.PurchaseOrderId,
                ScacCode            = x.ScacCode,
                ShipFor             = x.ShipFor,
                ShipTo              = x.ShipTo,
                Size                = x.Size,
                StartDate           = x.StartDate,
                Status              = x.Status,
                Weigth              = x.Weigth,
                CustomerName        = x.Customer != null ? x.Customer.CompanyName : string.Empty,
                DivisionName        = x.Division != null ? x.Division.Description : string.Empty,
                DeliveryTypeId      = string.IsNullOrEmpty(x.Delivery) ? default(short?) : x.Delivery == "P" ? (short)1 : (short)2,
                Shipping            = GetShippingDescription(x.Shipping),
                PathPOD             = x.PathPOD,
                ExternalBol         = x.ExternalBol,
                ShippingDateChanged = x.ShippingDateChanged,
                MasterBillOfLading  = x.MasterBillOfLading
            });

            return(result.ToList());
        }
Пример #39
0
        //Display registered courses for this student
        private void studentsLB_SelectedIndexChanged(object sender, EventArgs e)
        {
            this.registrationLB.Items.Clear();

            Student student = getSelectedStudent();

            if (student == null)
            {
                return;
            }

            using (var db = new CoursemoDataContext())
            {
                var TxOptions = new System.Transactions.TransactionOptions();
                TxOptions.IsolationLevel = System.Transactions.IsolationLevel.Serializable;

                using (var Tx = new System.Transactions.TransactionScope(
                           System.Transactions.TransactionScopeOption.Required, TxOptions))
                {
                    try
                    {
                        if (delay_flag)
                        {
                            Delay();
                        }
                        var registeredCourses = (from r in db.Registrations
                                                 join c in db.Courses on r.CRN equals c.CRN
                                                 where r.Netid == student.netid
                                                 orderby c.CRN
                                                 select c).ToList();
                        if (registeredCourses.Count > 0)
                        {
                            foreach (var r in registeredCourses)
                            {
                                this.registrationLB.Items.Add(r.CRN + " " + r.Department + " " + r.CourseNum.ToString());
                            }
                        }
                        else
                        {
                            this.registrationLB.Items.Add("No registered courses...");
                        }
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine(ex.Message);
                    }
                    finally
                    {
                        Tx.Complete();
                    }
                }
            }
        }
Пример #40
0
        internal string Insertdata(string nama, string phone, string email, string company, string country, string zip, string state, string city)
        {
            string response = "";

            #region Insert_MST_Spreed
            Helper         Help = new Helper();
            ORMDataContext db   = new ORMDataContext(Help.conStrODBC);
            db.Connection.Open();


            person = new Contact_person()
            {
                Nama     = nama,
                Phone    = phone,
                Email    = email,
                Company  = company,
                Country  = country,
                Zip_code = zip,
                State_   = state,
                City     = city
            };



            var txOptions = new System.Transactions.TransactionOptions();
            txOptions.IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted;

            using (var tran = new TransactionScope(TransactionScopeOption.Required, txOptions))
            {
                try
                {
                    db.Contact_persons.InsertOnSubmit(person);
                    db.SubmitChanges();
                    tran.Complete();
                    response = "Sukses";
                }
                catch (Exception ex)
                {
                    Console.WriteLine("==> Error Data Insert MST_Spreed  " + ex.Message);

                    string data = ex.Message;
                    tran.Dispose();
                    response = "Error : " + data;
                }
            }

            db.Connection.Close();

            return(response);

            #endregion
        }
        /// <summary>
        /// Traduce los valors que definen las opciones del ámbito de la transacción a un valor propio de la tecnología con que se implementa el soporte transaccional.
        /// </summary>
        /// <remarks></remarks>
        /// <returns>Opción del ambiente transaccional.</returns>
        /// <date>2008-04-07T00:00:00</date>
        /// <author>moviedo</author>
        private SysTrans.TransactionOptions GetTransactionOptions()
        {
            SysTrans.TransactionOptions wResult = new SysTrans.TransactionOptions();

            switch (_IsolationLevel)
            {
            case IsolationLevel.Chaos:
            {
                wResult.IsolationLevel = SysTrans.IsolationLevel.Chaos;
                break;
            }

            case IsolationLevel.ReadCommitted:
            {
                wResult.IsolationLevel = SysTrans.IsolationLevel.ReadCommitted;
                break;
            }

            case IsolationLevel.ReadUncommitted:
            {
                wResult.IsolationLevel = SysTrans.IsolationLevel.ReadUncommitted;
                break;
            }

            case IsolationLevel.RepeatableRead:
            {
                wResult.IsolationLevel = SysTrans.IsolationLevel.RepeatableRead;
                break;
            }

            case IsolationLevel.Serializable:
            {
                wResult.IsolationLevel = SysTrans.IsolationLevel.Serializable;
                break;
            }

            case IsolationLevel.Snapshot:
            {
                wResult.IsolationLevel = SysTrans.IsolationLevel.Snapshot;
                break;
            }

            default:
            {
                throw new Exception("El comportamiento no está soportado por la actual implementación");
            }
            }

            wResult.Timeout = _Timeout;

            return(wResult);
        }
Пример #42
0
            public async Task Should_Create_Overdraft_And_Get_ToValidate_Finally_do_Delete()
            {
                var txOptions = new System.Transactions.TransactionOptions();

                txOptions.IsolationLevel = System.Transactions.IsolationLevel.ReadUncommitted;

                using var scope = new TransactionScope(TransactionScopeOption.Required, txOptions, TransactionScopeAsyncFlowOption.Enabled);

                //Act
                Guid identityWorkId = Guid.NewGuid();
                Guid instanceId     = Guid.NewGuid();

                var middlewareManager = new MiddlewareManager <Overdraft>(new BaseRecordManager <Overdraft>(),
                                                                          new OverdraftValidator());
                var overdr = await middlewareManager.FindByExpressionAsync(p =>
                                                                           p.ID == Guid.Parse("24062420-7C73-4453-B837-A9B25AC26595"), identityWorkId,
                                                                           new string[] { "OverdraftDetails" });

                var detail = overdr.FirstOrDefault().OverdraftDetails
                             .Where(p => p.ID == Guid.Parse("c1314de9-13cf-4531-8641-23b04a4ce187"));

                var middlewareManagerDetail = new MiddlewareManager <OverdraftDetail>(new BaseRecordManager <OverdraftDetail>(),
                                                                                      new OverdraftDetailValidator());
                var detail2 = await middlewareManagerDetail.FindByExpressionAsync(p => p.ID == Guid.Parse("c1314de9-13cf-4531-8641-23b04a4ce187"), identityWorkId);

                var overdrafts = await new OverdraftManagerUT().CreateDefaultOverdraftAsync(identityWorkId, instanceId);

                //Asserts
                //Get
                var result = await middlewareManager
                             .GetByIdsAsync(overdrafts.Select(p => p.ID).ToList(), identityWorkId);

                Assert.True(result.Any());

                //Delete
                var middlewareOverdraftDetailManager = new MiddlewareManager <OverdraftDetail>(new BaseRecordManager <OverdraftDetail>(), new OverdraftDetailValidator());

                await middlewareOverdraftDetailManager.DeleteAsync(overdrafts.SelectMany(p => p.OverdraftDetails).Select(p => p.ID).ToList(), identityWorkId);

                await middlewareManager.DeleteAsync(overdrafts.Select(p => p.ID).ToList(), identityWorkId);

                Assert.True(result.FirstOrDefault().ID == overdrafts.FirstOrDefault().ID);

                //Get it again to verify if the registry it was deleted
                var result2 = await middlewareManager
                              .GetByIdsAsync(overdrafts.Select(p => p.ID).ToList(), identityWorkId);

                Assert.False(result2.Any());
            }
Пример #43
0
            public async Task Should_Change_Status_To_UnregisteredUsingClient()
            {
                var txOptions = new System.Transactions.TransactionOptions();

                txOptions.IsolationLevel = System.Transactions.IsolationLevel.ReadUncommitted;

                using var scope = new TransactionScope(TransactionScopeOption.Required, txOptions, TransactionScopeAsyncFlowOption.Enabled);

                //Act
                Guid identityWorkId    = Guid.NewGuid(); //Guid.Parse("7535C4E6-4712-4DD6-955D-FCA86E054D49");
                Guid instanceId        = Guid.NewGuid(); //Guid.Parse("33D7CA50-39E9-4B14-B482-5FCBEC07E8DB");
                var  employees         = await new EmployeeManagerUT().CreateDefaultAsync <Employee>(identityWorkId, instanceId, randomValues: true);
                var  middlewareManager = new MiddlewareManager <Employee>(new BaseRecordManager <Employee>(), new EmployeeValidator());

                //Asserts

                //Get
                var result = await middlewareManager
                             .GetByIdsAsync(employees.Select(p => p.ID).ToList(), identityWorkId);

                Assert.True(result.Any());
                var employeeFromDB = result.FirstOrDefault();

                Assert.Equal(CotorriaStatus.Active, employeeFromDB.LocalStatus);
                Assert.Equal(DateTime.Now.Date, employeeFromDB.LastStatusChange.Date);


                //Set inactive
                DateTime?unregisteredDate = DateTime.Now.AddDays(1);
                var      employeeId       = employeeFromDB.ID;

                var statusClient = new StatusClient <Employee>("", ClientConfiguration.ClientAdapter.Local);
                await statusClient.SetUnregistered(new List <Guid>() { employeeId }, identityWorkId, unregisteredDate);

                //Asserts

                //GetAggain
                result = await middlewareManager
                         .GetByIdsAsync(employees.Select(p => p.ID).ToList(), identityWorkId);

                Assert.True(result.Any());
                employeeFromDB = result.FirstOrDefault();

                //Asserts

                Assert.Equal(CotorriaStatus.Unregistered, employeeFromDB.LocalStatus);
                Assert.Equal(DateTime.Now.Date, employeeFromDB.LastStatusChange.Date);
                Assert.Equal(unregisteredDate.GetValueOrDefault().Date, employeeFromDB.UnregisteredDate.GetValueOrDefault().Date);
            }
        /// <summary>
        /// Performs operations common to any application flow: validating the input,
        /// wrapping the flow in a transaction and finally executing each flow step.
        /// </summary>
        /// <param name="input">The flow input.</param>
        /// <param name="flowInitiator">The user who initiated executing this flow.</param>
        /// <returns>The flow output.</returns>
        protected override async Task <TOutput> InternalExecuteAsync(TInput input, IPrincipal flowInitiator)
        {
            var transactionOptions = new System.Transactions.TransactionOptions
            {
                IsolationLevel = applicationFlowOptions.TransactionOptions.IsolationLevel,
                Timeout        = applicationFlowOptions.TransactionOptions.Timeout
            };

            using var transactionScope = new TransactionScope(TransactionScopeOption.Required, transactionOptions,
                                                              TransactionScopeAsyncFlowOption.Enabled);
            TOutput output = await base.InternalExecuteAsync(input, flowInitiator);

            transactionScope.Complete();
            return(output);
        }
 public void BeforeTest(TestDetails testDetails)
 {
     lock (_SyncLock)
     {
         if (_TransactionScope != null)
         {
             throw new InvalidOperationException();
         }
         var transactionScopeOptions = new System.Transactions.TransactionOptions()
         {
             IsolationLevel = IsolationLevel.ReadCommitted,
             Timeout        = TimeSpan.FromSeconds(30)
         };
         this._TransactionScope = new TransactionScope(TransactionScopeOption.Required, transactionScopeOptions);
     }
 }
Пример #46
0
        //Get students from DB
        //Display students in students listbox
        private void showStudentsButton_Click(object sender, EventArgs e)
        {
            this.studentsLB.Items.Clear();
            using (var db = new CoursemoDataContext())
            {
                var TxOptions = new System.Transactions.TransactionOptions();
                TxOptions.IsolationLevel = System.Transactions.IsolationLevel.Serializable;

                using (var Tx = new System.Transactions.TransactionScope(
                           System.Transactions.TransactionScopeOption.Required, TxOptions))
                {
                    try
                    {
                        if (students == null)
                        {
                            if (delay_flag)
                            {
                                Delay();
                            }
                            students = new List <Student>();
                            var query = (from s in db.Students
                                         orderby s.Netid
                                         select s).ToList();
                            foreach (var s in query)
                            {
                                students.Add(new Student(s.LastName, s.FirstName, s.Netid));
                            }
                        }
                        foreach (var s in students)
                        {
                            this.studentsLB.Items.Add(s);
                        }
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine(ex.Message);
                    }
                    finally
                    {
                        Tx.Complete();
                    }
                }
            }
        }
Пример #47
0
        private void showCoursesButton_Click(object sender, EventArgs e)
        {
            this.coursesLB.Items.Clear();
            using (var db = new CoursemoDataContext())
            {
                var TxOptions = new System.Transactions.TransactionOptions();
                TxOptions.IsolationLevel = System.Transactions.IsolationLevel.Serializable;

                using (var Tx = new System.Transactions.TransactionScope(
                           System.Transactions.TransactionScopeOption.Required, TxOptions))
                {
                    try
                    {
                        if (courses == null)
                        {
                            courses = new List <Course>();
                            if (delay_flag)
                            {
                                Delay();
                            }
                            var query = (from c in db.Courses
                                         orderby c.Department, c.CourseNum, c.CRN
                                         select c).ToList();
                            foreach (var c in query)
                            {
                                courses.Add(new Course(c.Department, c.CourseNum, c.Semester, c.Year, c.CRN, c.Time, c.Day, c.Time, c.Capacity));
                            }
                        }
                        foreach (var c in courses)
                        {
                            this.coursesLB.Items.Add(c);
                        }
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine(ex.Message);
                    }
                    finally
                    {
                        Tx.Complete();
                    }
                }
            }
        }
Пример #48
0
        public ActionResult Visualize(int?month, int?year, int?page)
        {
            int pageSize   = 10;
            int pageNumber = page.HasValue ? Convert.ToInt32(page) : 1;

            var txOptions = new System.Transactions.TransactionOptions();

            txOptions.IsolationLevel = System.Transactions.IsolationLevel.ReadUncommitted;

            using (var transaction = new TransactionScope(TransactionScopeOption.Required, txOptions))
            {
                using (var context = new WeatherDBEntities())
                {
                    WeatherInfoViewModel model = new WeatherInfoViewModel();
                    model.weatherInfo = context.Weathers.Where(m => false).ToPagedList(pageNumber, pageSize);
                    model.month       = month;
                    model.year        = year;

                    if (year == null && month == null)
                    {
                        model.weatherInfo = context.Weathers.ToList().ToPagedList <Weather>(pageNumber, pageSize);
                    }
                    else if (year == null && month != null)
                    {
                        model.errorMessage = "Specify year";
                    }
                    else if (year != null && month == null)
                    {
                        model.weatherInfo = context.Weathers.Where(m => m.Date.Year == year)
                                            .OrderBy(m => m.Date.Year)
                                            .ToPagedList(pageNumber, pageSize);
                    }
                    else
                    {
                        model.weatherInfo = context.Weathers.Where(m => (m.Date.Year == year && m.Date.Month == month))
                                            .OrderBy(m => m.Date.Year)
                                            .ToPagedList(pageNumber, pageSize);
                    }

                    return(View(model));
                }
            }
        }
Пример #49
0
        //Delete all rows in Registrations, Transactions, and Waitlist tables
        private void resetButton_Click(object sender, EventArgs e)
        {
            using (var db = new CoursemoDataContext())
            {
                var TxOptions = new System.Transactions.TransactionOptions();
                TxOptions.IsolationLevel = System.Transactions.IsolationLevel.Serializable;

                using (var Tx = new System.Transactions.TransactionScope(
                           System.Transactions.TransactionScopeOption.Required, TxOptions))
                {
                    try
                    {
                        if (delay_flag)
                        {
                            Delay();
                        }
                        db.Registrations.DeleteAllOnSubmit(from r in db.Registrations select r);

                        if (delay_flag)
                        {
                            Delay();
                        }
                        db.Waitlists.DeleteAllOnSubmit(from w in db.Waitlists select w);

                        if (delay_flag)
                        {
                            Delay();
                        }
                        db.Transactions.DeleteAllOnSubmit(from t in db.Transactions select t);
                        db.SubmitChanges();
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine(ex.Message);
                    }
                    finally
                    {
                        Tx.Complete();
                    }
                }
                MessageBox.Show("Database reset.");
            }
        }
Пример #50
0
        internal string Updatedata(string nama, string phone, string email, string company, string country, string zip, string state, string city)
        {
            string         respon = "";
            Helper         Help   = new Helper();
            ORMDataContext db     = new ORMDataContext(Help.conStrODBC);

            db.Connection.Open();
            var txOptions = new System.Transactions.TransactionOptions();

            txOptions.IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted;

            using (var tran = new TransactionScope(TransactionScopeOption.Required, txOptions))
            {
                try
                {
                    person = (from q in db.Contact_persons
                              where q.Nama == nama
                              select q).Take(1).FirstOrDefault();
                    person.Nama     = nama;
                    person.Phone    = phone;
                    person.Email    = email;
                    person.Company  = company;
                    person.Country  = country;
                    person.Zip_code = zip;
                    person.State_   = state;
                    person.City     = city;

                    db.SubmitChanges();
                    tran.Complete();
                    respon = "Sukses";
                }
                catch (Exception ex)
                {
                    string data = ex.Message;
                    tran.Dispose();
                    respon = "Error : " + data;
                }
            }

            db.Connection.Close();
            return(respon);
        }
Пример #51
0
        public TOTransaction CancelarReserva(short emp_codi, int id, int motivo)
        {
            string txterror = "";

            SAeReser.SAeReserDMR com     = new SAeReser.SAeReserDMR();
            object[]             varEntr = { usuario, Encrypta.EncriptarClave(password), alias, "SAeReser", "", "", "", "", "", "N" };
            object varSali;

            try
            {
                var txOptions = new System.Transactions.TransactionOptions();
                txOptions.IsolationLevel = System.Transactions.IsolationLevel.Serializable;
                txOptions.Timeout        = TimeSpan.MaxValue;

                if (com.ProgramLogin(varEntr, out varSali, out txterror) != 0)
                {
                    throw new Exception("Error al ingresar a SEVEN-ERP, " + txterror);
                }
                object[] pdataIn = { emp_codi, id, motivo };

                object pDatOut;
                if (com.Cancelar(pdataIn, out pDatOut, out txterror) != 0)
                {
                    throw new Exception(txterror);
                }
                var pDataOut2 = (object[])pDatOut;
                return(new TOTransaction()
                {
                    TxtError = txterror, Retorno = 0
                });
            }
            catch (Exception ex)
            {
                return(new TOTransaction()
                {
                    Retorno = 1, TxtError = ex.Message
                });
            }
        }
Пример #52
0
            public async Task Should_Update_Employee_And_Get_ToValidate_Finally_do_Delete()
            {
                var txOptions = new System.Transactions.TransactionOptions();

                txOptions.IsolationLevel = System.Transactions.IsolationLevel.ReadUncommitted;

                using var scope = new TransactionScope(TransactionScopeOption.Required, txOptions, TransactionScopeAsyncFlowOption.Enabled);

                //Act
                Guid identityWorkId    = Guid.NewGuid(); //Guid.Parse("7535C4E6-4712-4DD6-955D-FCA86E054D49");
                Guid instanceId        = Guid.NewGuid(); //Guid.Parse("33D7CA50-39E9-4B14-B482-5FCBEC07E8DB");
                var  employees         = await new EmployeeManagerUT().CreateDefaultAsync <Employee>(identityWorkId, instanceId, randomValues: true);
                var  middlewareManager = new MiddlewareManager <Employee>(new BaseRecordManager <Employee>(), new EmployeeValidator());

                //Asserts
                //Get
                var result = await middlewareManager
                             .GetByIdsAsync(employees.Select(p => p.ID).ToList(), identityWorkId);

                Assert.True(result.Any());

                var middlewareManagerOverdraft = new MiddlewareManager <Overdraft>(new BaseRecordManager <Overdraft>(), new OverdraftValidator());
                var resultOverdraft            = await middlewareManagerOverdraft.FindByExpressionAsync(p => p.InstanceID == instanceId && p.EmployeeID == employees.FirstOrDefault().ID, identityWorkId);

                Assert.True(resultOverdraft.Any());

                var employeeId = employees.FirstOrDefault().ID;
                var newAmount  = employees.FirstOrDefault().DailySalary;

                employees.FirstOrDefault().DailySalary = 5478;
                await middlewareManager.UpdateAsync(employees, identityWorkId);

                var middlewareHistoricEmployeeSalaryAdjustmentManager = new MiddlewareManager <HistoricEmployeeSalaryAdjustment>(new
                                                                                                                                 BaseRecordManager <HistoricEmployeeSalaryAdjustment>(), new HistoricEmployeeSalaryAdjustmentValidator());
                var historicEmployee = await middlewareHistoricEmployeeSalaryAdjustmentManager.FindByExpressionAsync(p => p.EmployeeID == employeeId, identityWorkId);;

                Assert.True(historicEmployee.FirstOrDefault().DailySalary == newAmount);
            }
Пример #53
0
        protected bool DoSync()
        {
            log.Info("Start Sync Task:" + TaskName);
            if (!NeedSync())
            {
                return(true);
            }
            if (!UsingTransaction)
            {
                Sync(null);
                return(true);
            }
            var transactionOptions = new System.Transactions.TransactionOptions();

            transactionOptions.Timeout = TimeSpan.FromMinutes(10);
            //set it to read uncommited
            transactionOptions.IsolationLevel = System.Transactions.IsolationLevel.ReadCommitted;
            using (var transactionScope = new System.Transactions.TransactionScope(System.Transactions.TransactionScopeOption.RequiresNew, transactionOptions)) {
                Sync(transactionScope);
            }

            return(true);
        }
        public async Task <List <Model.ScacCode> > GetScacCodes()
        {
            List <Model.ScacCode> scacCodes = new List <Model.ScacCode>();
            var transactionOptions          = new System.Transactions.TransactionOptions();

            //set it to read uncommited
            transactionOptions.IsolationLevel = System.Transactions.IsolationLevel.ReadUncommitted;

            using (var t = new TransactionScope(TransactionScopeOption.Required, transactionOptions, TransactionScopeAsyncFlowOption.Enabled))
            {
                var result = await Context.ScacCodes.ToListAsync();


                scacCodes = result.Select(x => new Model.ScacCode()
                {
                    Carrier = x.ScacCodeName, ScacCodeId = x.ScacCodeId
                }).ToList();

                t.Complete();
                t.Dispose();
            }
            return(scacCodes);
        }
Пример #55
0
        public void SaveThumbnail2(int id, string fileName, Func <System.IO.Stream, Task> copy)
        {
            var product = this.DB.Products.Where(a => a.ProductID == id).FirstOrDefault();

            if (product == null)
            {
                throw new Exception("Product is not found");
            }

            TransactionOptions topts = new System.Transactions.TransactionOptions();

            topts.Timeout        = TimeSpan.FromSeconds(60);
            topts.IsolationLevel = System.Transactions.IsolationLevel.Serializable;
            using (TransactionScope trxScope = new TransactionScope(TransactionScopeOption.Required, topts))
                using (DbConnection conn = DBConnectionFactory.GetRIAppDemoConnection())
                {
                    string     fldname = "ThumbNailPhoto";
                    BlobStream bstrm   = new BlobStream(conn as SqlConnection, "[SalesLT].[Product]", fldname, string.Format("WHERE [ProductID]={0}", id));
                    bstrm.InitColumn();
                    bstrm.Open();
                    try
                    {
                        if (!copy(bstrm).Wait(10000))
                        {
                            throw new Exception("Write stream timeout");
                        }
                    }
                    finally
                    {
                        bstrm.Close();
                    }
                    trxScope.Complete();
                }

            product.ThumbnailPhotoFileName = fileName;
            this.DB.SubmitChanges();
        }
Пример #56
0
    protected void btnSubmit_Click(object sender, EventArgs e)
    {
        var proxyHello  = new TransactionSvc.Hello.HelloClient();
        var proxyHi     = new TransactionSvc.Hi.HiClient();
        var proxyResult = new TransactionSvc.Result.ResultClient();

        System.Transactions.TransactionOptions to = new System.Transactions.TransactionOptions();
        // 设置事务的超时时间
        to.Timeout = new TimeSpan(0, 0, 30);
        // 设置事务的隔离级别
        to.IsolationLevel = System.Transactions.IsolationLevel.Serializable;

        using (var ts = new System.Transactions.TransactionScope())
        {
            try
            {
                proxyHello.WriteHello("webabcd");
                proxyHello.Close();

                proxyHi.WriteHi("webabcd");
                proxyHi.Close();

                ts.Complete();

                lblErr.Text = "OK";
            }
            catch (Exception ex)
            {
                lblErr.Text = ex.ToString();
            }
        }

        GridView1.DataSource = proxyResult.GetResult();
        GridView1.DataBind();
        proxyHello.Close();
    }
Пример #57
0
    protected void btnSave_Click(object sender, EventArgs e)
    {
        int RoleID = 0;

        int.TryParse(hfR.Value, out RoleID);

        if (RoleID == 0)
        {
            string SC = "<script>alert('資料取得失敗');location.href = '/System/PowerM/RolePowerSetting.aspx';</script><style>body{display:none;}</style>";
            Page.ClientScript.RegisterClientScriptBlock(this.Page.GetType(), "alert", SC, false);
            return;
        }

        string script = "<script>alert('儲存失敗');</script>";

        if (hfV != null)
        {
            string jsonString = hfV.Value;

            List <RolePowerSettingPowerVM> list = new List <RolePowerSettingPowerVM>();
            list = JsonConvert.DeserializeObject <List <RolePowerSettingPowerVM> >(jsonString);


            DataTable dt = new DataTable();
            dt.Columns.Add("ID");
            dt.Columns.Add("RoleID");
            dt.Columns.Add("ModuleID");
            dt.Columns.Add("PowerString");


            foreach (var item in list.Where(item => item.PowerStringOut > 1))
            {
                dt.Rows.Add(0, RoleID, item.mId, item.PowerStringOut);
            }

            System.Transactions.TransactionOptions option = new System.Transactions.TransactionOptions();
            option.IsolationLevel = System.Transactions.IsolationLevel.ReadUncommitted;
            option.Timeout        = new TimeSpan(0, 10, 0);
            using (System.Transactions.TransactionScope ts = new System.Transactions.TransactionScope(TransactionScopeOption.Required, option))
            {
                using (SqlConnection sc = new SqlConnection(WebConfigurationManager.ConnectionStrings["ConnUser"].ToString()))
                {
                    sc.Open();
                    using (SqlCommand cmd = new SqlCommand("dbo.usp_PowerM_xDeleteRoleModuleByRoleID", sc))
                    {
                        cmd.CommandType = CommandType.StoredProcedure;
                        cmd.Parameters.AddWithValue("@RoleID", RoleID);
                        cmd.ExecuteNonQuery();

                        using (SqlBulkCopy bulkCopy = new SqlBulkCopy(sc))
                        {
                            bulkCopy.BulkCopyTimeout      = 60;
                            bulkCopy.DestinationTableName = "dbo.R_RoleModule";
                            bulkCopy.WriteToServer(dt);
                        }

                        ts.Complete();
                    }
                }
            }

            script = "<script>alert('儲存成功');location.href='/System/PowerM/RolePowerSetting.aspx';</script><style>body{display:none;}</style>";
            Page.ClientScript.RegisterClientScriptBlock(this.Page.GetType(), "alert", script, false);
        }


        Page.ClientScript.RegisterClientScriptBlock(this.Page.GetType(), "alert", script, false);
    }
Пример #58
0
        private void swapButton_Click(object sender, EventArgs e)
        {
            string netidA = this.netidATextBox.Text;

            if (netidA == null)
            {
                MessageBox.Show("Enter student A's netid.");
                return;
            }
            int crnA = Convert.ToInt32(this.crnATextBox.Text);

            if (this.crnATextBox.Text == null)
            {
                MessageBox.Show("Enter student A's CRN.");
                return;
            }
            string netidB = this.netidBTextBox.Text;

            if (netidB == null)
            {
                MessageBox.Show("Enter student B's netid.");
                return;
            }
            int crnB = Convert.ToInt32(this.crnBTextBox.Text);

            if (this.crnBTextBox.Text == null)
            {
                MessageBox.Show("Enter student B's CRN.");
                return;
            }
            string msg = null;

            using (var db = new CoursemoDataContext())
            {
                var TxOptions = new System.Transactions.TransactionOptions();
                TxOptions.IsolationLevel = System.Transactions.IsolationLevel.Serializable;

                using (var Tx = new System.Transactions.TransactionScope(
                           System.Transactions.TransactionScopeOption.Required, TxOptions))
                {
                    try
                    {
                        //Check if student A exists
                        if (delay_flag)
                        {
                            Delay();
                        }
                        var aExists = from s in db.Students
                                      where s.Netid == netidA
                                      select s.Netid;
                        if (!aExists.Any())
                        {
                            msg = netidA + " does not exist.";
                            throw new System.InvalidOperationException(msg);
                        }
                        //Check if student A is enrolled in crnA
                        var aEnrolled = from r in db.Registrations
                                        where r.Netid == netidA
                                        where r.CRN == crnA
                                        select r;
                        if (!aEnrolled.Any())
                        {
                            msg = netidA + " is not enrolled in " + crnA.ToString() + ".";
                            throw new System.InvalidOperationException(msg);
                        }

                        if (delay_flag)
                        {
                            Delay();
                        }
                        //Check if student B exists
                        var bExists = from s in db.Students
                                      where s.Netid == netidB
                                      select s.Netid;
                        if (!bExists.Any())
                        {
                            msg = netidB + " does not exist.";
                            throw new System.InvalidOperationException(msg);
                        }

                        if (delay_flag)
                        {
                            Delay();
                        }
                        //Check if student B is enrolled in crnB
                        var bEnrolled = from r in db.Registrations
                                        where r.Netid == netidB
                                        where r.CRN == crnB
                                        select r;
                        if (!bEnrolled.Any())
                        {
                            msg = netidB + " is not enrolled in " + crnB.ToString() + ".";
                            throw new System.InvalidOperationException(msg);
                        }

                        if (delay_flag)
                        {
                            Delay();
                        }
                        //Clear out student a's waitlist entry for b's class
                        var aWaiting = from w in db.Waitlists
                                       where w.Netid == netidA
                                       where w.CRN == crnB
                                       select w;
                        db.Waitlists.DeleteAllOnSubmit(aWaiting);

                        if (delay_flag)
                        {
                            Delay();
                        }
                        //Clear out student b's waitlist entry for a's class
                        var bWaiting = from w in db.Waitlists
                                       where w.Netid == netidB
                                       where w.CRN == crnA
                                       select w;
                        db.Waitlists.DeleteAllOnSubmit(bWaiting);

                        //Swap registrations
                        if (delay_flag)
                        {
                            Delay();
                        }
                        aEnrolled.First().CRN = crnB;

                        if (delay_flag)
                        {
                            Delay();
                        }
                        bEnrolled.First().CRN = crnA;
                        //MessageBox.Show(netidA + " swapped course " + crnA.ToString() + " for " + crnB.ToString() + " with " + netidB);
                        msg = netidA + " swapped course " + crnA.ToString() + " for " + crnB.ToString() + " with " + netidB;
                        db.SubmitChanges();
                        Tx.Complete();
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine(ex.Message);
                    }
                }
            }
            MessageBox.Show(msg);
        }
Пример #59
0
        //Display waitlist for this course
        private void coursesLB_SelectedIndexChanged(object sender, EventArgs e)
        {
            this.enrolledCourseLB.Items.Clear();
            this.waitlistLB.Items.Clear();

            Course course = getSelectedCourse();

            if (course == null)
            {
                return;
            }

            using (var db = new CoursemoDataContext())
            {
                var TxOptions = new System.Transactions.TransactionOptions();
                TxOptions.IsolationLevel = System.Transactions.IsolationLevel.Serializable;

                using (var Tx = new System.Transactions.TransactionScope(
                           System.Transactions.TransactionScopeOption.Required, TxOptions))
                {
                    try
                    {
                        if (delay_flag)
                        {
                            Delay();
                        }
                        var enrolled = (from r in db.Registrations
                                        where r.CRN == course.crn
                                        select r).ToList();
                        if (enrolled.Any())
                        {
                            foreach (var en in enrolled)
                            {
                                this.enrolledCourseLB.Items.Add(en.Netid);
                            }
                        }
                        else
                        {
                            this.enrolledCourseLB.Items.Add("No enrollments.");
                        }

                        if (delay_flag)
                        {
                            Delay();
                        }
                        var waitlist = (from w in db.Waitlists
                                        where w.CRN == course.crn
                                        orderby w.RegTime
                                        select w).ToList();
                        if (waitlist.Any())
                        {
                            foreach (var w in waitlist)
                            {
                                this.waitlistLB.Items.Add(w.Netid + " " + w.CRN + " " + w.RegTime.ToString());
                            }
                        }
                        else
                        {
                            this.waitlistLB.Items.Add("No waitlist...");
                        }
                        Tx.Complete();
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine(ex.Message);
                    }
                }
            }
        }
Пример #60
0
        //Get selected student and enrolled course
        //Delete entry in registrations table
        //Check waitlist for dropped course, enroll first in line
        private void dropCourseButton_Click(object sender, EventArgs e)
        {
            Student student = getSelectedStudent();

            if (student == null)
            {
                MessageBox.Show("Select a student.");
                return;
            }
            if (this.registrationLB.SelectedItem == null)
            {
                MessageBox.Show("Select a registered course.");
                return;
            }
            int selectedCRN = Convert.ToInt32(this.registrationLB.SelectedItem.ToString().Split(' ')[0]);
            //MessageBox.Show(selectedCRN.ToString());

            string msg = null;

            using (var db = new CoursemoDataContext())
            {
                var TxOptions = new System.Transactions.TransactionOptions();
                TxOptions.IsolationLevel = System.Transactions.IsolationLevel.Serializable;

                using (var Tx = new System.Transactions.TransactionScope(
                           System.Transactions.TransactionScopeOption.Required, TxOptions))
                {
                    try
                    {
                        if (delay_flag)
                        {
                            Delay();
                        }
                        db.Registrations.DeleteAllOnSubmit(from r in db.Registrations
                                                           where r.CRN == selectedCRN
                                                           where r.Netid == student.netid
                                                           select r);
                        //MessageBox.Show(student.netid + " dropped " + selectedCRN);
                        msg = student.netid + " dropped " + selectedCRN;

                        if (delay_flag)
                        {
                            Delay();
                        }
                        var waiting = (from w in db.Waitlists
                                       where w.CRN == selectedCRN
                                       orderby w.RegTime
                                       select w).ToList();

                        //Is there a waitlist for this class?
                        if (waiting.Any())
                        {
                            if (delay_flag)
                            {
                                Delay();
                            }
                            var front = students.Find(
                                delegate(Student s)
                            {
                                return(s.netid == waiting[0].Netid);
                            }
                                );
                            //Enroll
                            if (delay_flag)
                            {
                                Delay();
                            }
                            Registration r = new Registration
                            {
                                Netid = front.netid,
                                CRN   = selectedCRN
                            };
                            db.Registrations.InsertOnSubmit(r);
                            //MessageBox.Show(front.netid + " enrolled in " + selectedCRN);
                            //msg = front.netid + " enrolled in " + selectedCRN;

                            //Remove enrolled student from waitlist
                            if (delay_flag)
                            {
                                Delay();
                            }
                            db.Waitlists.DeleteAllOnSubmit(from w in db.Waitlists
                                                           where w.Netid == front.netid
                                                           where w.CRN == selectedCRN
                                                           select w);
                        }
                        db.SubmitChanges();
                        Tx.Complete();
                    }
                    catch (Exception ex)
                    {
                        Console.WriteLine(ex.Message);
                    }
                }
            }
            MessageBox.Show(msg);
        }