public void transact(Func <ICommandBuilder, TransactionAction> statementBlockDelegate)
{
using (TConnection connection = new TConnection())
{
connection.ConnectionString = this.connectionString;
connection.Open();
using (IDbTransaction transaction = connection.BeginTransaction())
{
ICommandBuilder commandBuilder = new PrvCommandBuilder(transaction);
TransactionAction action = statementBlockDelegate(commandBuilder);
if (action == TransactionAction.Commit)
{
transaction.Commit();
}
else
{
transaction.Rollback();
}
}
connection.Close();
}
}
/// <summary>
/// Includeds the by reload.
/// </summary>
/// <param name="action">The action.</param>
/// <returns><c>true</c> if XXXX, <c>false</c> otherwise.</returns>
private bool includedByReload(TransactionAction action)
{
return
(action.Name == "ReloadAssembly" ||
includedByComponentsInvalidation(action) ||
includedByComponentsLoad(action));
}
public async Task ValidateAsync(Transaction entity, TransactionAction action)
{
switch (action)
{
case TransactionAction.Create:
await ValidateCreateAsync(entity);
break;
case TransactionAction.Update:
break;
case TransactionAction.Delete:
break;
case TransactionAction.Submit:
break;
case TransactionAction.Approve:
break;
case TransactionAction.Reject:
break;
default:
throw new NotImplementedException();
}
}
private IEnumerator TransactionOut()
{
yield return(new WaitForEndOfFrame());
while (true)
{
TransactionImage.color = new Color(TargetColor.r, TargetColor.g, TargetColor.b, TransactionImage.color.a + ColorStep);
if (TransactionImage.color.a >= TargetColor.a - 0.1f && !_isTarget)
{
_isTarget = true;
TransactionImage.color = TargetColor;
if (_isLoadingEnable)
{
LoadingContainer.gameObject.SetActive(true);
}
yield return(new WaitForEndOfFrame());
}
if (_isTarget)
{
if (TranactionOutEnd != null)
{
TranactionOutEnd();
TranactionOutEnd = null;
}
yield break;
}
yield return(new WaitForEndOfFrame());
}
}
private void OnTransactionClosed(DesignerHostTransaction raiser, TransactionAction action)
{
bool commit = false;
bool lastTransaction = false;
if (_transactions.Peek() != raiser)
{
throw new InvalidOperationException("Current transaction differs from the one a commit was requested for.");
}
if (_transactions.Count == 1)
{
lastTransaction = true;
}
if (action == TransactionAction.Commit)
{
commit = true;
}
_transactions.Pop();
if (TransactionClosed != null)
{
TransactionClosed(this, new DesignerTransactionCloseEventArgs(commit, lastTransaction));
}
}
/// <summary>
/// Add after action to current transaction.
/// </summary>
/// <param name="action">The action.</param>
/// <param name="name">The name.</param>
/// <param name="predicate">The predicate.</param>
/// <param name="keys">The keys.</param>
private void addAfterAction(Action action, string name, IsIncludedPredicate predicate, params object[] keys)
{
var transactionAction = new TransactionAction(action, name, predicate, keys);
//attach to current transaction or to root
Transactions.AttachAfterAction(Transactions.CurrentTransaction, transactionAction);
}
/// <summary>
/// Handles the transactional listener exception.
/// </summary>
/// <param name="e">The exception thrown while processing the message.</param>
/// <param name="message">The message.</param>
/// <param name="messageQueueTransaction">The message queue transaction.</param>
/// <returns>The TransactionAction retruned by the TransactionalExceptionListener</returns>
protected virtual TransactionAction HandleTransactionalListenerException(Exception e, Message message,
MessageQueueTransaction
messageQueueTransaction)
{
try
{
TransactionAction transactionAction =
InvokeTransactionalExceptionListener(e, message, messageQueueTransaction);
if (Active)
{
// Regular case: failed while active.
// Log at error level.
LOG.Error("Execution of message listener failed", e);
}
else
{
// Rare case: listener thread failed after container shutdown.
// Log at debug level, to avoid spamming the shutdown log.
LOG.Debug("Listener exception after container shutdown", e);
}
return(transactionAction);
}
catch (Exception ex)
{
LOG.Error("Exception invoking MessageTransactionExceptionHandler. Rolling back transaction.", ex);
return(TransactionAction.Rollback);
}
}
public void receiveMessage(IFailedMessageHandler failedMessageHandler)
{
if (incomingQueue == null)
{
throw new NullReferenceException("La coda di ricezione non è stata specificata");
}
gotMessage = null;
SetFormatter();
MessageQueueTransaction transaction = new MessageQueueTransaction();
transaction.Begin();
// Message message = null;
try
{
gotMessage = incomingQueue.Receive(TimeSpan.Zero, transaction);
Log("Received message ID: " + gotMessage.Id);
ProcessMessage();
transaction.Commit();
Log("Message processed OK");
}
catch (Exception e)
{
Log("Message failed");
TransactionAction transactionAction = TransactionAction.ROLLBACK;
if (gotMessage == null)
{
Log("Message couldn't be received: " + e.Message);
Log("Message couldn't be received (stak: " + e.StackTrace);
}
else
{
try
{
transactionAction = failedMessageHandler.HandleFailedMessage(gotMessage, transaction);
}
catch (Exception failureHandlerException)
{
Log("Error during failure handling: " + failureHandlerException.Message);
}
}
if (transactionAction == TransactionAction.ROLLBACK)
{
transaction.Abort();
Log("Transaction rolled back");
}
else
{
transaction.Commit();
Log("Transaction commited - message removed from queue");
}
}
}
private Payload CreateTransactionCommonPayload(Proposal ccodeProposal, ByteString propResponsePayload, List <Endorsement> endrsements)
{
ChaincodeEndorsedAction chaincodeEndorsedAction = new ChaincodeEndorsedAction {
ProposalResponsePayload = propResponsePayload
};
chaincodeEndorsedAction.Endorsements.AddRange(endrsements);
//ChaincodeActionPayload
ChaincodeActionPayload chaincodeActionPayload = new ChaincodeActionPayload {
Action = chaincodeEndorsedAction
};
//We need to remove any transient fields - they are not part of what the peer uses to calculate hash.
ChaincodeProposalPayload p = ChaincodeProposalPayload.Parser.ParseFrom(ccodeProposal.Payload);
ChaincodeProposalPayload chaincodeProposalPayloadNoTrans = new ChaincodeProposalPayload {
Input = p.Input
};
chaincodeActionPayload.ChaincodeProposalPayload = chaincodeProposalPayloadNoTrans.ToByteString();
TransactionAction transactionAction = new TransactionAction();
Header header = Header.Parser.ParseFrom(ccodeProposal.Header);
if (Config.Instance.ExtraLogLevel(10))
{
if (null != diagnosticFileDumper)
{
StringBuilder sb = new StringBuilder(10000);
sb.Append("transaction header bytes:" + header.ToByteString().ToHexString());
sb.Append("\n");
sb.Append("transaction header sig bytes:" + header.SignatureHeader.ToHexString());
logger.Trace("transaction header: " + diagnosticFileDumper.CreateDiagnosticFile(sb.ToString()));
}
}
transactionAction.Header = header.SignatureHeader;
if (Config.Instance.ExtraLogLevel(10))
{
if (null != diagnosticFileDumper)
{
logger.Trace("transactionActionBuilder.setPayload: " + diagnosticFileDumper.CreateDiagnosticFile(chaincodeActionPayload.ToByteString().ToHexString()));
}
}
transactionAction.Payload = chaincodeActionPayload.ToByteString();
//Transaction
Transaction transaction = new Transaction();
transaction.Actions.Add(transactionAction);
return(new Payload {
Header = header, Data = transaction.ToByteString()
});
}
/// <summary>
/// Requires updating of composition point list.
/// </summary>
private void requireUpdate()
{
DispatchedAction(() =>
{
var action = new TransactionAction(() => FlushCompositionPointUpdates()
, "UpdateCompositionPoints", (t) => t.Name == "UpdateCompositionPoints", this);
Transactions.AttachAfterAction(null, action);
});
}
public void InReadTransaction(TransactionAction transactionClosure)
{
const int voidReturn = 0;
InReadTransaction(container =>
{
transactionClosure(container);
return(voidReturn);
});
}
private int Transaction(Shard s, TransactionAction action, int parameterA, int parameterB)
{
try
{
return action(parameterA, parameterB, s.random);
}
finally
{
s.spinLock.Unlock();
}
}
private void DoTranAction(int climberID, string climberName, TransactionAction action, byte routeToClean)
{
long?activeTranID, nextTranID, toCheck;
try
{
ResultListSpeed.GetSpeedTransactions(climberID, listID, out activeTranID, out nextTranID, cn);
toCheck = (action == TransactionAction.ROLLBACK) ? activeTranID : nextTranID;
string message = (action == TransactionAction.ROLLBACK) ? "��������" : "�������";
if (toCheck == null || !toCheck.HasValue)
{
MessageBox.Show(this, "���������� " + message + " ���������");
return;
}
if (MessageBox.Show(this, "�� �������, ��� ������ " + message + " ��������� �������� ��������� (" +
climberName + ")?", message + " ���������?", MessageBoxButtons.YesNo, MessageBoxIcon.Warning)
== System.Windows.Forms.DialogResult.No)
{
return;
}
SqlTransaction tran = cn.BeginTransaction();
try
{
bool res;
if (action == TransactionAction.ROLLBACK)
{
res = StaticClass.RollbackTransaction(toCheck.Value, cn, tran);
}
else
{
res = StaticClass.RestoreLogicTransaction(toCheck.Value, cn, tran);
}
if (res)
{
ResultListSpeed.RefreshTable(listID, baseIID, RefreshData, cn, CR, tran, false);
tran.Commit();
RefreshData();
ClearClimberOnRoute(routeToClean);
}
else
{
MessageBox.Show("���������� ������� ����������� ���������� ������� SQL Server");
tran.Rollback();
}
}
catch (Exception ex)
{
try { tran.Rollback(); }
catch { }
throw ex;
}
}
catch (Exception ex) { MessageBox.Show("������ ���������� �������:\r\n" + ex.Message); }
}
/// <summary>
/// Commit all pending inventory actions in this transaction.
/// </summary>
public void Commit()
{
while (actions.Count > 0)
{
TransactionAction action = actions.Dequeue();
Container srcContainer = owner.Inventory.GetContainer(action.Source);
Container dstContainer = owner.Inventory.GetContainer(action.Destination);
Item srcItem = srcContainer.GetItem(action.SrcSlot);
if (srcItem == null && action.Source != ContainerType.None)
{
return;
}
Item dstItem = dstContainer?.GetItem(action.DstSlot);
if (dstItem == null && action.Destination != ContainerType.None)
{
return;
}
switch (action.InventoryAction)
{
case InventoryAction.Discard:
owner.Inventory.RemoveItem(srcItem, srcContainer);
break;
#if DEBUG
default:
Console.WriteLine($"Unhandled inventory transaction action {action.InventoryAction}!");
break;
#endif
}
owner.Session.Send(new ServerInventoryUpdate
{
Id = id,
Action = action.InventoryAction,
SrcActorId = owner.Character.ActorId,
SrcContainerType = action.Source,
SrcSlot = action.SrcSlot,
SrcStackSize = srcItem?.StackSize ?? 0u,
DstActorId = owner.Character.ActorId,
DstContainerType = action.Destination,
DstSlot = action.DstSlot,
DstStackSize = dstItem?.StackSize ?? 0u
});
}
owner.Session.Send(new ServerInventoryUpdateFinish
{
Id = id
});
}
//public static ResourcePayloadContainerLink FindLinkByPayloadPath(ResourcePayloadContainerLink[] links, string payloadPath)
//{
// foreach(ResourcePayloadContainerLink link in links)
// {
// if (link.PayloadPath.Equals(payloadPath))
// return link;
// }
// return null;
//}
//public static List<ResourcePayloadContainerLink> ReducePayloadPath(List<ResourcePayloadContainerLink> links)
//{
// List<ResourcePayloadContainerLink> result = new List<ResourcePayloadContainerLink>();
// foreach (ResourcePayloadContainerLink originalLink in links)
// result.Add(originalLink.Clone() as ResourcePayloadContainerLink);
// foreach(ResourcePayloadContainerLink link in result)
// {
// if (!String.IsNullOrEmpty(link.PayloadPath))
// {
// if (link.PayloadPath.Contains("/") && link.PayloadPath.Length> 1)
// {
// link.PayloadPath = link.PayloadPath.Substring(link.PayloadPath.IndexOf("/") + 1);
// }
// else
// link.PayloadPath = "";
// }
// }
// return result;
//}
//public static List<ResourcePayloadContainerLink> ExtendPayloadPath(List<ResourcePayloadContainerLink> links, string payload)
//{
// List<ResourcePayloadContainerLink> result = new List<ResourcePayloadContainerLink>();
// foreach (ResourcePayloadContainerLink originalLink in links)
// result.Add(originalLink.Clone() as ResourcePayloadContainerLink);
// foreach (ResourcePayloadContainerLink link in result)
// {
// if (!String.IsNullOrEmpty(link.PayloadPath))
// {
// link.PayloadPath = payload + "/" + link.PayloadPath;
// }
// }
// return result;
//}
public static HttpMethod GetHttpMethod(TransactionAction transactionAction)
{
switch (transactionAction)
{
case TransactionAction.Created:
return HttpMethod.POST;
case TransactionAction.Updated:
return HttpMethod.PUT;
case TransactionAction.Deleted:
default:
return HttpMethod.DELETE;
}
}
internal static string GetHttpMethod(TransactionAction transactionAction)
{
switch (transactionAction)
{
case TransactionAction.Created:
return("POST");
case TransactionAction.Updated:
return("PUT");
case TransactionAction.Deleted:
return("DELETE");
}
return("");
}
//public static ResourcePayloadContainerLink FindLinkByPayloadPath(ResourcePayloadContainerLink[] links, string payloadPath)
//{
// foreach(ResourcePayloadContainerLink link in links)
// {
// if (link.PayloadPath.Equals(payloadPath))
// return link;
// }
// return null;
//}
//public static List<ResourcePayloadContainerLink> ReducePayloadPath(List<ResourcePayloadContainerLink> links)
//{
// List<ResourcePayloadContainerLink> result = new List<ResourcePayloadContainerLink>();
// foreach (ResourcePayloadContainerLink originalLink in links)
// result.Add(originalLink.Clone() as ResourcePayloadContainerLink);
// foreach(ResourcePayloadContainerLink link in result)
// {
// if (!String.IsNullOrEmpty(link.PayloadPath))
// {
// if (link.PayloadPath.Contains("/") && link.PayloadPath.Length> 1)
// {
// link.PayloadPath = link.PayloadPath.Substring(link.PayloadPath.IndexOf("/") + 1);
// }
// else
// link.PayloadPath = "";
// }
// }
// return result;
//}
//public static List<ResourcePayloadContainerLink> ExtendPayloadPath(List<ResourcePayloadContainerLink> links, string payload)
//{
// List<ResourcePayloadContainerLink> result = new List<ResourcePayloadContainerLink>();
// foreach (ResourcePayloadContainerLink originalLink in links)
// result.Add(originalLink.Clone() as ResourcePayloadContainerLink);
// foreach (ResourcePayloadContainerLink link in result)
// {
// if (!String.IsNullOrEmpty(link.PayloadPath))
// {
// link.PayloadPath = payload + "/" + link.PayloadPath;
// }
// }
// return result;
//}
public static HttpMethod GetHttpMethod(TransactionAction transactionAction)
{
switch (transactionAction)
{
case TransactionAction.Created:
return(HttpMethod.POST);
case TransactionAction.Updated:
return(HttpMethod.PUT);
case TransactionAction.Deleted:
default:
return(HttpMethod.DELETE);
}
}
public TransactionTrace(
TransactionAction action,
string blockHash,
BigInteger blockNumber,
string error,
string transactionHash,
string type)
{
Action = action;
BlockHash = blockHash;
BlockNumber = blockNumber;
Error = error;
TransactionHash = transactionHash;
Type = type;
}
public Transaction(ApplicationUser _customer, double _amount, TransactionAction action)
{
CreatedDate = DateTime.Now;
CurrentAmount = _customer.Balance;
amount = _amount;
customer = _customer;
if (action == TransactionAction.Add)
{
customer.Balance += amount;
}
else if (action == TransactionAction.Extract)
{
customer.Balance -= amount;
amount *= -1;
}
}
public static void ProcessTransaction(TransactionAction action)
{
using (ConnectionManager mrg = ConnectionManager.GetManager("TapMangoDatabase"))
{
try
{
var transaction = mrg.Connection.BeginTransaction();
action((SqlTransaction)transaction);
transaction.Commit();
}
catch
{
mrg.Connection.Close();
throw;
}
}
}
/// <summary>
///
/// </summary>
/// <param name="transaction"></param>
/// <param name="actionToTake"></param>
public static void RollbackOrCommit(this IDbTransaction transaction, TransactionAction actionToTake)
{
if (transaction == null)
{
return;
}
using (transaction)
{
if (actionToTake == TransactionAction.Rollback)
{
transaction.Rollback();
}
else
{
transaction.Commit();
}
}
}
private void RotateThumb_DragDelta(object sender, DragDeltaEventArgs e)
{
if (_imageControl == null)
{
return;
}
if (!_isRotate)
{
_transaction = _imageControl.ControlManager.ReviseRotateCenterSelected;
_transaction.Execute();
_isRotate = true;
}
var currentPoint = Mouse.GetPosition(null);
var deltaVector = Point.Subtract(currentPoint, _centerPoint);
var angle = Math.Round(Vector.AngleBetween(_startVector, deltaVector), 0);
_imageControl.ControlManager.DragRotateSelected(angle - _angle, false);
_angle = angle;
}
private void CanIOperate(TransactionAction transactionAction)
{
switch (TransactionState)
{
case TransactionState.InProgress:
if (transactionAction == TransactionAction.Dispose)
{
throw new TransactionInProgressException();
}
break;
case TransactionState.Ended:
if (transactionAction != TransactionAction.Dispose)
{
throw new TransactionEndedException();
}
break;
case TransactionState.Disposed:
throw new TransactionDisposedException();
}
}
public async Task <Transaction> Put(TransactionAction transaction)
{
try{
List <Task> TaskList = new List <Task>();
var e = new Employee();
e.EmployeeId = transaction.Transaction.EmployeeId;
employeeRepo.GetEmployee(e);
var newTransaction = await transactionRepo.AddTransaction(transaction.Transaction);
foreach (Item i in transaction.Items)
{
i.TransactionId = newTransaction.TransactionId;
TaskList.Add(itemRepo.AddItem(i));
}
Task.WaitAll(TaskList.ToArray());
await transactionRepo.SaveAsync();
return(newTransaction);
}catch (KeyNotFoundException) {
throw new HttpResponseException(System.Net.HttpStatusCode.NotFound);
}
}
/// <inheritdoc/>
public async ValueTask <long> AddMessage(
long transId,
long queueId,
byte[] payload,
DateTime addDateTime,
string metaData,
int priority,
int maxAttempts,
DateTime?expiryDateTime,
int correlation,
string groupName,
TransactionAction transactionAction,
MessageState messageState)
{
const string sql = "INSERT INTO Messages (QueueId, TransactionId, TransactionAction, State, AddDateTime, Priority, MaxAttempts, Attempts, ExpiryDateTime, Payload, CorrelationId, GroupName, Metadata) VALUES " +
"(@QueueId, @TransactionId, @TransactionAction, @State, @AddDateTime, @Priority, @MaxAttempts, 0, @ExpiryDateTime, @Payload, @CorrelationId, @GroupName, @Metadata);" +
"SELECT last_insert_rowid();";
return(await this.ExecuteAsync <long>(async (connection) =>
{
var param = new
{
QueueId = queueId,
TransactionId = transId,
TransactionAction = transactionAction,
State = messageState,
AddDateTime = addDateTime.ToUnixEpoch(),
Priority = priority,
MaxAttempts = maxAttempts,
ExpiryDateTime = expiryDateTime?.ToUnixEpoch(),
Payload = payload,
CorrelationId = correlation,
GroupName = groupName,
Metadata = metaData
};
return await connection.ExecuteScalarAsync <long>(sql, param: param);
}));
}
/// <inheritdoc/>
public async ValueTask <long> AddMessage(
long transId,
long queueId,
byte[] payload,
DateTime addDateTime,
string metaData,
int priority,
int maxAttempts,
DateTime?expiryDateTime,
int correlation,
string groupName,
TransactionAction transactionAction,
MessageState messageState)
{
const string sql = "INSERT INTO messages (queue_id, transaction_id, transaction_action, state, add_datetime, priority, max_attempts, attempts, expiry_datetime, payload, correlation_id, group_name, metadata) VALUES " +
"(@QueueId, @TransactionId, @TransactionAction, @State, @AddDateTime, @Priority, @MaxAttempts, 0, @ExpiryDateTime, @Payload, @CorrelationId, @GroupName, @Metadata) returning id;";
return(await this.ExecuteAsync <long>(async (connection) =>
{
var param = new
{
QueueId = queueId,
TransactionId = transId,
TransactionAction = transactionAction,
State = messageState,
AddDateTime = addDateTime,
Priority = priority,
MaxAttempts = maxAttempts,
ExpiryDateTime = expiryDateTime,
Payload = payload,
CorrelationId = correlation,
GroupName = groupName,
Metadata = metaData
};
return await connection.ExecuteScalarAsync <long>(sql, param: param);
}));
}
private IEnumerator TransactionIn()
{
LoadingContainer.gameObject.SetActive(false);
while (true)
{
TransactionImage.color = new Color(TargetColor.r, TargetColor.g, TargetColor.b, TransactionImage.color.a - ColorStep);
if (TransactionImage.color.a < 0.1f && !_isClean)
{
_isClean = true;
TransactionImage.gameObject.SetActive(false);
yield return(new WaitForEndOfFrame());
}
if (_isClean)
{
if (TranactionInEnd != null)
{
TranactionInEnd();
TranactionInEnd = null;
}
yield break;
}
yield return(new WaitForEndOfFrame());
}
}
TransactionAction IOmegaService.UpdateTransactionDate(ApplicationVersion version, TransactionAction transaction, DateTime dateTime)
{
return(RunSecurity(version, user =>
{
CheckRightChangeBalance(user);
_repository.UpdateTransactionDate(transaction, dateTime, user);
transaction.TransactionDate = dateTime;
return transaction;
}));
}
/// <summary>
/// Does the recieve and execute using a local MessageQueueTransaction.
/// </summary>
/// <param name="mq">The mqessage queue.</param>
/// <param name="status">The transactional status.</param>
/// <returns>true if should continue peeking, false otherwise.</returns>
protected virtual bool DoRecieveAndExecuteUsingResourceTransactionManagerWithTxQueue(MessageQueue mq,
ITransactionStatus status)
{
#region Logging
if (LOG.IsDebugEnabled)
{
LOG.Debug("Executing DoRecieveAndExecuteUsingResourceTransactionManagerWithTxQueue");
}
#endregion Logging
using (MessageQueueTransaction messageQueueTransaction = new MessageQueueTransaction())
{
messageQueueTransaction.Begin();
#region Logging
if (LOG.IsTraceEnabled)
{
LOG.Trace("Started MessageQueueTransaction for queue = [" + mq.Path + "]");
}
#endregion
Message message;
#region ReceiveMessage
try
{
#region Logging
if (LOG.IsTraceEnabled)
{
LOG.Trace("Receiving message with zero timeout for queue = [" + mq.Path + "]");
}
#endregion
message = mq.Receive(TimeSpan.Zero, messageQueueTransaction);
}
catch (MessageQueueException ex)
{
if (ex.MessageQueueErrorCode == MessageQueueErrorCode.IOTimeout)
{
//expected to occur occasionally
#region Logging
if (LOG.IsTraceEnabled)
{
LOG.Trace(
"MessageQueueErrorCode.IOTimeout: No message available to receive. May have been processed by another thread.");
}
#endregion
status.SetRollbackOnly();
return(false); // no more peeking unless this is the last listener thread
}
else
{
// A real issue in receiving the message
#region Logging
if (LOG.IsErrorEnabled)
{
LOG.Error("Error receiving message from DefaultMessageQueue [" + mq.Path +
"], closing queue and clearing connection cache.");
}
#endregion
lock (messageQueueMonitor)
{
mq.Close();
MessageQueue.ClearConnectionCache();
}
throw; // will cause rollback in surrounding platform transaction manager and log exception
}
}
#endregion
if (message == null)
{
#region Logging
if (LOG.IsTraceEnabled)
{
LOG.Trace("Message recieved is null from Queue = [" + mq.Path + "]");
}
#endregion
status.SetRollbackOnly();
return(false); // no more peeking unless this is the last listener thread
}
try
{
#region Logging
if (LOG.IsDebugEnabled)
{
LOG.Debug("Received message [" + message.Id + "] on queue [" + mq.Path + "]");
}
#endregion
MessageReceived(message);
if (ExposeContainerManagedMessageQueueTransaction)
{
TransactionSynchronizationManager.BindResource(
MessageQueueTransactionManager.CURRENT_TRANSACTION_SLOTNAME,
new LocallyExposedMessageQueueResourceHolder(messageQueueTransaction));
}
DoExecuteListener(message);
#region Logging
if (LOG.IsTraceEnabled)
{
LOG.Trace("MessageListener executed");
}
#endregion
messageQueueTransaction.Commit();
#region Logging
if (LOG.IsTraceEnabled)
{
LOG.Trace("Committed MessageQueueTransaction for queue [" + mq.Path + "]");
}
#endregion
}
catch (Exception ex)
{
TransactionAction action =
HandleTransactionalListenerException(ex, message, messageQueueTransaction);
if (action == TransactionAction.Rollback)
{
messageQueueTransaction.Abort();
#region Logging
if (LOG.IsDebugEnabled)
{
LOG.Debug(
"Exception handler's TransactionAction has rolled back MessageQueueTransaction for queue [" +
mq.Path + "]");
}
#endregion
}
else
{
// Will remove from the message queue
messageQueueTransaction.Commit();
#region Logging
if (LOG.IsDebugEnabled)
{
LOG.Debug(
"Exception handler's TransactionAction has committed MessageQueueTransaction for queue [" +
mq.Path + "]");
}
#endregion
}
//Outer db-tx will rollback
throw;
}
finally
{
if (ExposeContainerManagedMessageQueueTransaction)
{
TransactionSynchronizationManager.UnbindResource(
MessageQueueTransactionManager.CURRENT_TRANSACTION_SLOTNAME);
}
message.Dispose();
}
return(true);
}
}
/// <summary>
/// Does the recieve and execute using message queue transaction manager.
/// </summary>
/// <param name="mq">The message queue.</param>
/// <param name="status">The transactional status.</param>
/// <returns>true if should continue peeking, false otherise</returns>
protected virtual bool DoRecieveAndExecuteUsingMessageQueueTransactionManager(MessageQueue mq,
ITransactionStatus status)
{
#region Logging
if (LOG.IsDebugEnabled)
{
LOG.Debug("Executing DoRecieveAndExecuteUsingMessageQueueTransactionManager");
}
#endregion Logging
Message message;
#region Receive message
try
{
message = mq.Receive(TimeSpan.Zero, QueueUtils.GetMessageQueueTransaction(null));
}
catch (MessageQueueException ex)
{
if (ex.MessageQueueErrorCode == MessageQueueErrorCode.IOTimeout)
{
//expected to occur occasionally
if (LOG.IsTraceEnabled)
{
LOG.Trace("IOTimeout: Message to receive was already processed by another thread.");
}
status.SetRollbackOnly();
return(false); // no more peeking unless this is the last listener thread
}
else
{
// A real issue in receiving the message
#region Logging
if (LOG.IsErrorEnabled)
{
LOG.Error("Error receiving message from DefaultMessageQueue [" + mq.Path +
"], closing queue and clearing connection cache.");
}
#endregion
lock (messageQueueMonitor)
{
mq.Close();
MessageQueue.ClearConnectionCache();
}
throw; // will cause rollback in MessageQueueTransactionManager and log exception
}
}
#endregion
if (message == null)
{
#region Logging
if (LOG.IsTraceEnabled)
{
LOG.Trace("Message recieved is null from Queue = [" + mq.Path + "]");
}
#endregion
status.SetRollbackOnly();
return(false); // no more peeking unless this is the last listener thread
}
try
{
#region Logging
if (LOG.IsDebugEnabled)
{
LOG.Debug("Received message [" + message.Id + "] on queue [" + mq.Path + "]");
}
#endregion
MessageReceived(message);
DoExecuteListener(message);
#region Logging
if (LOG.IsTraceEnabled)
{
LOG.Trace("MessageListener executed");
}
#endregion
}
catch (Exception ex)
{
//Exception may indicate rollback of database transaction in service layer.
//Let the handler determine if the message should be removed from the queue.
TransactionAction action =
HandleTransactionalListenerException(ex, message, QueueUtils.GetMessageQueueTransaction(null));
if (action == TransactionAction.Rollback)
{
#region Logging
if (LOG.IsDebugEnabled)
{
LOG.Debug(
"Exception handler's TransactionAction has rolled back MessageQueueTransaction for queue [" +
mq.Path + "]");
}
#endregion
status.SetRollbackOnly();
return(false); // no more peeking unless this is the last listener thread
}
else
{
LOG.Info("Committing MessageQueueTransaction due to explicit commit request by exception handler.");
}
}
finally
{
message.Dispose();
}
return(true);
}
internal static string GetHttpMethod(TransactionAction transactionAction)
{
switch (transactionAction)
{
case TransactionAction.Created:
return "POST";
case TransactionAction.Updated:
return "PUT";
case TransactionAction.Deleted:
return "DELETE";
}
return "";
}
private void OnTransactionClosed (DesignerHostTransaction raiser, TransactionAction action)
{
bool commit = false;
bool lastTransaction = false;
if (_transactions.Peek () != raiser)
throw new InvalidOperationException ("Current transaction differs from the one a commit was requested for.");
if (_transactions.Count == 1)
lastTransaction = true;
if (action == TransactionAction.Commit)
commit = true;
_transactions.Pop ();
if (TransactionClosed != null)
TransactionClosed (this, new DesignerTransactionCloseEventArgs (commit, lastTransaction));
}
/// <inheritdoc/>
public async ValueTask <int> UpdateMessageAttemptCount(IStorageTransaction storageTrans, long transId, TransactionAction transactionAction, MessageState messageState)
{
const string sql = "Update messages set attempts = attempts + 1 " +
"where transaction_id = @TransId AND transaction_action = @TransactionAction AND state = @MessageState;";
var sqliteConnection = storageTrans.NpgsqlTransaction().Connection;
return(await this.ExecuteAsync <int>(
async (connection) =>
{
return await connection.ExecuteAsync(
sql,
transaction: (storageTrans as DbTransaction)?.NpgsqlTransaction,
param: new
{
TransId = transId,
TransactionAction = transactionAction,
MessageState = messageState
});
},
sqliteConnection));
}
/// <inheritdoc/>
public async ValueTask <int> UpdateMessages(IStorageTransaction storageTrans, long transId, TransactionAction transactionAction, MessageState oldMessageState, MessageState newMessageState, DateTime?closeDateTime)
{
const string sql = "Update messages set transaction_id = null, transaction_action = 0, " +
"state = @NewMessageState, close_datetime = @CloseDateTime " +
"where transaction_id = @TransId AND transaction_action = @TransactionAction AND state = @OldMessageState;";
var sqliteConnection = storageTrans.NpgsqlTransaction().Connection;
return(await this.ExecuteAsync <int>(
async (connection) =>
{
return await connection.ExecuteAsync(
sql,
transaction: (storageTrans as DbTransaction)?.NpgsqlTransaction,
param: new
{
TransId = transId,
TransactionAction = transactionAction,
OldMessageState = oldMessageState,
NewMessageState = newMessageState,
CloseDateTime = closeDateTime
});
},
sqliteConnection));
}
public static HttpStatusCode GetHttpStatus(TransactionStatus transactionStatus, TransactionAction transactionAction)
{
switch (transactionStatus)
{
case TransactionStatus.Success:
//switch (transactionAction)
//{
// case TransactionAction.Created:
// return HttpStatusCode.Created;
// case TransactionAction.Updated:
// return HttpStatusCode.Accepted;
// case TransactionAction.Deleted:
// return HttpStatusCode.Accepted;
//}
return HttpStatusCode.OK;
//break;
}
return HttpStatusCode.Conflict;
}