protected override void HandleTransfer(CAP_CQRSEntities entities, TransferMessage transfer)
{
Console.WriteLine(String.Format("Increase {0}.", transfer.ToAccount));
AccountBalance to = GetAccountEntity(transfer.ToAccount, entities);
to.Balance += transfer.Amount;
}
protected override void HandleTransfer(CAP_CQRSEntities entities, TransferMessage transfer)
{
Console.WriteLine(String.Format("Decrease {0}.", transfer.FromAccount));
AccountBalance from = GetAccountEntity(transfer.FromAccount, entities);
from.Balance -= transfer.Amount;
}
protected override void HandleTransfer(CAP_CQRSEntities entities, TransferMessage transfer)
{
Console.WriteLine(String.Format("Decrease {0}.", transfer.FromAccount));
AccountBalance from = GetAccountEntity(transfer.FromAccount, entities);
from.Balance -= transfer.Amount;
}
protected override void HandleTransfer(CAP_CQRSEntities entities, TransferMessage transfer)
{
Console.WriteLine(String.Format("Increase {0}.", transfer.ToAccount));
AccountBalance to = GetAccountEntity(transfer.ToAccount, entities);
to.Balance += transfer.Amount;
}
protected static AccountBalance GetAccountEntity(string account, CAP_CQRSEntities entities)
{
IQueryable<AccountBalance> query =
from b in entities.AccountBalances
where b.Account == account
select b;
AccountBalance entity = query.FirstOrDefault();
if (entity == null)
throw new ApplicationException("No such account.");
return entity;
}
protected static AccountBalance GetAccountEntity(string account, CAP_CQRSEntities entities)
{
IQueryable <AccountBalance> query =
from b in entities.AccountBalances
where b.Account == account
select b;
AccountBalance entity = query.FirstOrDefault();
if (entity == null)
{
throw new ApplicationException("No such account.");
}
return(entity);
}
private void ThreadProc()
{
while (!_stopping.WaitOne(10))
{
try
{
using (CAP_CQRSEntities entities = new CAP_CQRSEntities())
{
using (var tx = new TransactionScope())
{
using (MessageQueue queue = new MessageQueue(_queueName))
{
Message message = queue.Receive(TimeSpan.FromSeconds(1.0), MessageQueueTransactionType.Automatic);
_wroteEmptyMessage = false;
message.Formatter = Formatter;
TransferMessage transfer = (TransferMessage)message.Body;
HandleTransfer(entities, transfer);
entities.SaveChanges();
tx.Complete();
}
}
}
}
catch (MessageQueueException mqex)
{
if (mqex.ErrorCode != TimeoutErrorCode)
{
Console.WriteLine(mqex.Message);
}
else
{
if (!_wroteEmptyMessage)
{
Console.WriteLine(String.Format("{0} queue empty.", _threadName));
}
_wroteEmptyMessage = true;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
}
protected abstract void HandleTransfer(CAP_CQRSEntities entities, TransferMessage transfer);
private void ThreadProc()
{
while (!_stopping.WaitOne(10))
{
try
{
using (CAP_CQRSEntities entities = new CAP_CQRSEntities())
{
using (var tx = new TransactionScope())
{
using (MessageQueue queue = new MessageQueue(_queueName))
{
Message message = queue.Receive(TimeSpan.FromSeconds(1.0), MessageQueueTransactionType.Automatic);
_wroteEmptyMessage = false;
message.Formatter = Formatter;
TransferMessage transfer = (TransferMessage)message.Body;
HandleTransfer(entities, transfer);
entities.SaveChanges();
tx.Complete();
}
}
}
}
catch (MessageQueueException mqex)
{
if (mqex.ErrorCode != TimeoutErrorCode)
Console.WriteLine(mqex.Message);
else
{
if (!_wroteEmptyMessage)
Console.WriteLine(String.Format("{0} queue empty.", _threadName));
_wroteEmptyMessage = true;
}
}
catch (Exception ex)
{
Console.WriteLine(ex.Message);
}
}
}
protected abstract void HandleTransfer(CAP_CQRSEntities entities, TransferMessage transfer);
