private async Task ProcessTransferTransaction(ITransferTransaction tx)
{
var transferTransactionInfo = await tx.GetTransferTransactionInfo();
var fromAccount = GrainFactory.GetGrain<IBankAccount>(transferTransactionInfo.FromAccountId);
var toAccount = GrainFactory.GetGrain<IBankAccount>(transferTransactionInfo.ToAccountId);
if (await tx.GetStatus() == TransactionStatus.Started)
{
var validTask1 = fromAccount.Validate();
var validTask2 = toAccount.Validate();
await Task.WhenAll(fromAccount.Validate(), toAccount.Validate());
if (!validTask1.Result) await tx.Cancel(TransactionFaileReason.FromAccountNotExist);
else if (!validTask2.Result) await tx.Cancel(TransactionFaileReason.ToAccountNotExist);
else await tx.ConfirmAccountValidatePassed();
}
if (await tx.GetStatus() == TransactionStatus.AccountValidateCompleted)
{
var transferOutPreparationTask = fromAccount.AddTransactionPreparation(tx.GetPrimaryKey(), TransactionType.TransferTransaction, PreparationType.DebitPreparation, transferTransactionInfo.Amount);
var transferInPreparationTask = toAccount.AddTransactionPreparation(tx.GetPrimaryKey(), TransactionType.TransferTransaction, PreparationType.CreditPreparation, transferTransactionInfo.Amount);
await Task.WhenAll(transferOutPreparationTask, transferInPreparationTask);
if (transferOutPreparationTask.Result.Success)
await tx.ConfirmTransferOutPreparation();
else
await tx.Cancel(TransactionFaileReason.BalanceNotEnough);
if (transferInPreparationTask.Result.Success)
await tx.ConfirmTransferInPreparation();
}
if (await tx.GetStatus() == TransactionStatus.PreparationCompleted)
{
var transferOutTask = fromAccount.CommitTransactionPreparation(tx.GetPrimaryKey());
var transferInTask = toAccount.CommitTransactionPreparation(tx.GetPrimaryKey());
await Task.WhenAll(transferOutTask, transferInTask);
await Task.WhenAll(tx.ConfirmTransferOut(), tx.ConfirmTransferIn());
Console.WriteLine("transaction complete success." + transferTransactionInfo.Amount + "$");
}
}
private async Task ProcessTransferTransaction(ITransferTransaction tx)
{
var transferTransactionInfo = await tx.GetTransferTransactionInfo();
var fromAccount = GrainFactory.GetGrain <IBankAccount>(transferTransactionInfo.FromAccountId);
var toAccount = GrainFactory.GetGrain <IBankAccount>(transferTransactionInfo.ToAccountId);
if (await tx.GetStatus() == TransactionStatus.Started)
{
var validTask1 = fromAccount.Validate();
var validTask2 = toAccount.Validate();
await Task.WhenAll(fromAccount.Validate(), toAccount.Validate());
if (!validTask1.Result)
{
await tx.Cancel(TransactionFaileReason.FromAccountNotExist);
}
else if (!validTask2.Result)
{
await tx.Cancel(TransactionFaileReason.ToAccountNotExist);
}
else
{
await tx.ConfirmAccountValidatePassed();
}
}
if (await tx.GetStatus() == TransactionStatus.AccountValidateCompleted)
{
var transferOutPreparationTask = fromAccount.AddTransactionPreparation(tx.GetPrimaryKey(), TransactionType.TransferTransaction, PreparationType.DebitPreparation, transferTransactionInfo.Amount);
var transferInPreparationTask = toAccount.AddTransactionPreparation(tx.GetPrimaryKey(), TransactionType.TransferTransaction, PreparationType.CreditPreparation, transferTransactionInfo.Amount);
await Task.WhenAll(transferOutPreparationTask, transferInPreparationTask);
if (transferOutPreparationTask.Result.Success)
{
await tx.ConfirmTransferOutPreparation();
}
else
{
await tx.Cancel(TransactionFaileReason.BalanceNotEnough);
}
if (transferInPreparationTask.Result.Success)
{
await tx.ConfirmTransferInPreparation();
}
}
if (await tx.GetStatus() == TransactionStatus.PreparationCompleted)
{
var transferOutTask = fromAccount.CommitTransactionPreparation(tx.GetPrimaryKey());
var transferInTask = toAccount.CommitTransactionPreparation(tx.GetPrimaryKey());
await Task.WhenAll(transferOutTask, transferInTask);
await Task.WhenAll(tx.ConfirmTransferOut(), tx.ConfirmTransferIn());
Console.WriteLine("transaction complete success." + transferTransactionInfo.Amount + "$");
}
}
