/// <summary>
/// Enlists in the specified transaction.
/// </summary>
/// <param name="transaction">
/// A reference to an existing <see cref="System.Transactions.Transaction"/> in which to enlist.
/// </param>
public override void EnlistTransaction(Transaction transaction)
{
// enlisting in the null transaction is a noop
if (transaction == null)
{
return;
}
// guard against trying to enlist in more than one transaction
if (driver.CurrentTransaction != null)
{
if (driver.CurrentTransaction.BaseTransaction == transaction)
{
return;
}
Throw(new MySqlException("Already enlisted"));
}
// now see if we need to swap out drivers. We would need to do this since
// we have to make sure all ops for a given transaction are done on the
// same physical connection.
Driver existingDriver = DriverTransactionManager.GetDriverInTransaction(transaction);
if (existingDriver != null)
{
// we can't allow more than one driver to contribute to the same connection
if (existingDriver.IsInActiveUse)
{
Throw(new NotSupportedException(Resources.MultipleConnectionsInTransactionNotSupported));
}
// there is an existing driver and it's not being currently used.
// now we need to see if it is using the same connection string
string text1 = existingDriver.Settings.ConnectionString;
string text2 = Settings.ConnectionString;
if (String.Compare(text1, text2, true) != 0)
{
Throw(new NotSupportedException(Resources.MultipleConnectionsInTransactionNotSupported));
}
// close existing driver
// set this new driver as our existing driver
CloseFully();
driver = existingDriver;
}
if (driver.CurrentTransaction == null)
{
MySqlPromotableTransaction t = new MySqlPromotableTransaction(this, transaction);
if (!transaction.EnlistPromotableSinglePhase(t))
{
Throw(new NotSupportedException(Resources.DistributedTxnNotSupported));
}
driver.CurrentTransaction = t;
DriverTransactionManager.SetDriverInTransaction(driver);
driver.IsInActiveUse = true;
}
}
/// <summary>
/// Enlists in the specified transaction.
/// </summary>
/// <param name="transaction">
/// A reference to an existing <see cref="System.Transactions.Transaction"/> in which to enlist.
/// </param>
public override void EnlistTransaction(System.Transactions.Transaction transaction)
{
if (currentTransaction != null)
{
if (currentTransaction.BaseTransaction == transaction)
{
return;
}
throw new MySqlException("Already enlisted");
}
currentTransaction = new MySqlPromotableTransaction(this, transaction);
transaction.EnlistPromotableSinglePhase(currentTransaction);
}
public override void EnlistTransaction(Transaction transaction)
{
if (transaction == null)
{
return;
}
if (this.driver.CurrentTransaction != null)
{
if (this.driver.CurrentTransaction.BaseTransaction == transaction)
{
return;
}
this.Throw(new MySqlException("Already enlisted"));
}
Driver driverInTransaction = DriverTransactionManager.GetDriverInTransaction(transaction);
if (driverInTransaction != null)
{
if (driverInTransaction.IsInActiveUse)
{
this.Throw(new NotSupportedException(Resources.MultipleConnectionsInTransactionNotSupported));
}
string connectionString = driverInTransaction.Settings.ConnectionString;
string connectionString2 = this.Settings.ConnectionString;
if (string.Compare(connectionString, connectionString2, true) != 0)
{
this.Throw(new NotSupportedException(Resources.MultipleConnectionsInTransactionNotSupported));
}
this.CloseFully();
this.driver = driverInTransaction;
}
if (this.driver.CurrentTransaction == null)
{
MySqlPromotableTransaction mySqlPromotableTransaction = new MySqlPromotableTransaction(this, transaction);
if (!transaction.EnlistPromotableSinglePhase(mySqlPromotableTransaction))
{
this.Throw(new NotSupportedException(Resources.DistributedTxnNotSupported));
}
this.driver.CurrentTransaction = mySqlPromotableTransaction;
DriverTransactionManager.SetDriverInTransaction(this.driver);
this.driver.IsInActiveUse = true;
}
}
/// <summary>
/// Enlists in the specified transaction.
/// </summary>
/// <param name="transaction">
/// A reference to an existing <see cref="System.Transactions.Transaction"/> in which to enlist.
/// </param>
public override void EnlistTransaction(System.Transactions.Transaction transaction)
{
// if the transaction given to us is null, then there is nothing to do.
if (transaction == null)
{
return;
}
if (currentTransaction != null)
{
if (currentTransaction.BaseTransaction == transaction)
{
return;
}
throw new MySqlException("Already enlisted");
}
MySqlPromotableTransaction t = new MySqlPromotableTransaction(this, transaction);
transaction.EnlistPromotableSinglePhase(t);
currentTransaction = t;
}
/// <summary>
/// Enlists in the specified transaction.
/// </summary>
/// <param name="transaction">
/// A reference to an existing <see cref="System.Transactions.Transaction"/> in which to enlist.
/// </param>
public override void EnlistTransaction(Transaction transaction)
{
// enlisting in the null transaction is a noop
if (transaction == null)
return;
// guard against trying to enlist in more than one transaction
if (driver.CurrentTransaction != null)
{
if (driver.CurrentTransaction.BaseTransaction == transaction)
return;
throw new MySqlException("Already enlisted");
}
// now see if we need to swap out drivers. We would need to do this since
// we have to make sure all ops for a given transaction are done on the
// same physical connection.
Driver existingDriver = DriverTransactionManager.GetDriverInTransaction(transaction);
if (existingDriver != null)
{
// we can't allow more than one driver to contribute to the same connection
if (existingDriver.IsInActiveUse)
throw new NotSupportedException(Resources.MultipleConnectionsInTransactionNotSupported);
// there is an existing driver and it's not being currently used.
// now we need to see if it is using the same connection string
string text1 = existingDriver.Settings.GetConnectionString(true);
string text2 = Settings.GetConnectionString(true);
if (String.Compare(text1, text2, true) != 0)
throw new NotSupportedException(Resources.MultipleConnectionsInTransactionNotSupported);
// close existing driver
// set this new driver as our existing driver
CloseFully();
driver = existingDriver;
}
if (driver.CurrentTransaction == null)
{
MySqlPromotableTransaction t = new MySqlPromotableTransaction(this, transaction);
if (!transaction.EnlistPromotableSinglePhase(t))
throw new NotSupportedException(Resources.DistributedTxnNotSupported);
driver.CurrentTransaction = t;
DriverTransactionManager.SetDriverInTransaction(driver);
driver.IsInActiveUse = true;
}
}
