/// <summary>
/// Prepare the session for the transaction commit. Run
/// <see cref="ISessionImplementor.BeforeTransactionCompletion(ITransaction)"/> for the session and for
/// <see cref="ConnectionManager.DependentSessions"/> if any. <see cref="Lock"/> the context
/// before signaling it is done, or before rollback in case of failure.
/// </summary>
/// <param name="preparingEnlistment">The object for notifying the prepare phase outcome.</param>
public virtual void Prepare(PreparingEnlistment preparingEnlistment)
{
_preparing = true;
using (_session.BeginContext())
{
try
{
using (_session.ConnectionManager.BeginProcessingFromSystemTransaction(_useConnectionOnSystemTransactionPrepare))
{
if (_useConnectionOnSystemTransactionPrepare)
{
// Ensure any newly acquired connection gets enlisted in the transaction. When distributed,
// this code runs from another thread and we cannot rely on Transaction.Current.
using (var tx = new TransactionScope(EnlistedTransaction))
{
// Required when both connection auto-enlistment and session auto-enlistment are disabled.
_session.JoinTransaction();
_session.BeforeTransactionCompletion(null);
foreach (var dependentSession in _session.ConnectionManager.DependentSessions)
{
dependentSession.BeforeTransactionCompletion(null);
}
tx.Complete();
}
}
else
{
_session.BeforeTransactionCompletion(null);
foreach (var dependentSession in _session.ConnectionManager.DependentSessions)
{
dependentSession.BeforeTransactionCompletion(null);
}
}
}
// Lock the session to ensure second phase gets done before the session is used by code following
// the transaction scope disposal.
Lock();
_logger.Debug("Prepared for system transaction");
_preparing = false;
preparingEnlistment.Prepared();
}
catch (Exception exception)
{
_preparing = false;
_logger.Error(exception, "System transaction prepare phase failed");
try
{
CompleteTransaction(false);
}
finally
{
preparingEnlistment.ForceRollback(exception);
}
}
}
}
void IEnlistmentNotification.Prepare(PreparingEnlistment preparingEnlistment)
{
using (new SessionIdLoggingContext(sessionImplementor.SessionId))
{
try
{
using (var tx = new TransactionScope(AmbientTransation))
{
sessionImplementor.BeforeTransactionCompletion(null);
//if (sessionImplementor.FlushMode != FlushMode.Never && sessionImplementor.ConnectionManager.IsConnected)
//{
// using (sessionImplementor.ConnectionManager.FlushingFromDtcTransaction)
// {
// logger.Debug(string.Format("[session-id={0}] Flushing from Dtc Transaction", sessionImplementor.SessionId));
// sessionImplementor.Flush();
// }
//}
logger.Debug("prepared for DTC transaction");
tx.Complete();
}
preparingEnlistment.Prepared();
}
catch (Exception exception)
{
logger.Error("DTC transaction prepre phase failed", exception);
preparingEnlistment.ForceRollback(exception);
}
}
}
void IEnlistmentNotification.Prepare(PreparingEnlistment preparingEnlistment)
{
using (new SessionIdLoggingContext(sessionImplementor.SessionId))
{
try
{
using (var tx = new TransactionScope(AmbientTransation))
{
if (sessionImplementor.ConnectionManager.IsConnected)
{
using (sessionImplementor.ConnectionManager.FlushingFromDtcTransaction)
{
sessionImplementor.BeforeTransactionCompletion(null);
foreach (var dependentSession in sessionImplementor.ConnectionManager.DependentSessions)
{
dependentSession.BeforeTransactionCompletion(null);
}
logger.Debug("prepared for DTC transaction");
tx.Complete();
}
}
}
preparingEnlistment.Prepared();
}
catch (Exception exception)
{
logger.Error("DTC transaction prepare phase failed", exception);
preparingEnlistment.ForceRollback(exception);
}
}
}
/// <summary>
/// Commits the <see cref="ITransaction"/> by flushing the <see cref="ISession"/>
/// and committing the <see cref="IDbTransaction"/>.
/// </summary>
/// <exception cref="TransactionException">
/// Thrown if there is any exception while trying to call <c>Commit()</c> on
/// the underlying <see cref="IDbTransaction"/>.
/// </exception>
public void Commit()
{
using (new SessionIdLoggingContext(sessionId))
{
CheckNotDisposed();
CheckBegun();
CheckNotZombied();
log.Debug("Start Commit");
//if (session.FlushMode != FlushMode.Never)
//{
// session.Flush();
//}
NotifyLocalSynchsBeforeTransactionCompletion();
session.BeforeTransactionCompletion(this);
try
{
if (trans != null)
{
trans.Commit();
log.Debug("IDbTransaction Committed");
}
committed = true;
AfterTransactionCompletion(true);
Dispose();
log.Debug("Committed");
}
catch (HibernateException e)
{
log.Error("Commit failed", e);
AfterTransactionCompletion(false);
commitFailed = true;
// Don't wrap HibernateExceptions
throw;
}
catch (Exception e)
{
log.Error("Commit failed", e);
AfterTransactionCompletion(false);
commitFailed = true;
throw new TransactionException("Commit failed with SQL exception", e);
}
finally
{
CloseIfRequired();
}
}
}
/// <summary>
/// Commits the <see cref="ITransaction"/> by flushing the <see cref="ISession"/>
/// and committing the <see cref="DbTransaction"/>.
/// </summary>
/// <exception cref="TransactionException">
/// Thrown if there is any exception while trying to call <c>Commit()</c> on
/// the underlying <see cref="DbTransaction"/>.
/// </exception>
public void Commit()
{
using (session.BeginProcess())
{
CheckNotDisposed();
CheckBegun();
CheckNotZombied();
log.Debug("Start Commit");
session.BeforeTransactionCompletion(this);
NotifyLocalSynchsBeforeTransactionCompletion();
foreach (var dependentSession in session.ConnectionManager.DependentSessions)
{
dependentSession.BeforeTransactionCompletion(this);
}
try
{
trans.Commit();
log.Debug("DbTransaction Committed");
committed = true;
AfterTransactionCompletion(true);
Dispose();
}
catch (HibernateException e)
{
log.Error(e, "Commit failed");
AfterTransactionCompletion(false);
commitFailed = true;
// Don't wrap HibernateExceptions
throw;
}
catch (Exception e)
{
log.Error(e, "Commit failed");
AfterTransactionCompletion(false);
commitFailed = true;
throw new TransactionException("Commit failed with SQL exception", e);
}
finally
{
CloseIfRequired();
}
}
}
/// <summary>
/// Commits the <see cref="ITransaction"/> by flushing the <see cref="ISession"/>
/// and committing the <see cref="IDbTransaction"/>.
/// </summary>
/// <exception cref="TransactionException">
/// Thrown if there is any exception while trying to call <c>Commit()</c> on
/// the underlying <see cref="IDbTransaction"/>.
/// </exception>
public void Commit()
{
CheckNotDisposed();
CheckBegun();
log.Debug("commit");
if (session.FlushMode != FlushMode.Never)
{
session.Flush();
}
session.BeforeTransactionCompletion(this);
try
{
trans.Commit();
committed = true;
AfterTransactionCompletion(true);
Dispose();
}
catch (HibernateException e)
{
log.Error("Commit failed", e);
AfterTransactionCompletion(false);
commitFailed = true;
// Don't wrap HibernateExceptions
throw;
}
catch (Exception e)
{
log.Error("Commit failed", e);
AfterTransactionCompletion(false);
commitFailed = true;
throw new TransactionException("Commit failed with SQL exception", e);
}
}
public void BeforeTransactionCompletion(ITransaction tx)
{
_session.BeforeTransactionCompletion(tx);
}
public void beforeTransactionCompletion(ITransaction tx)
{
delegat.BeforeTransactionCompletion(tx);
}
