public override void Open()
{
if (this.State == ConnectionState.Open)
{
throw new InvalidOperationException(Resources.ConnectionAlreadyOpen);
}
this.SetState(ConnectionState.Connecting, true);
if (this.settings.AutoEnlist && (Transaction.Current != null))
{
this.driver = DriverTransactionManager.GetDriverInTransaction(Transaction.Current);
if ((this.driver != null) && (this.driver.IsInActiveUse || !this.driver.Settings.EquivalentTo(this.Settings)))
{
throw new NotSupportedException(Resources.MultipleConnectionsInTransactionNotSupported);
}
}
try {
if (this.settings.Pooling)
{
MySqlPool pool = MySqlPoolManager.GetPool(this.settings);
if (this.driver == null)
{
this.driver = pool.GetConnection();
}
this.procedureCache = pool.ProcedureCache;
}
else
{
if (this.driver == null)
{
this.driver = Driver.Create(this.settings);
}
this.procedureCache = new GodLesZ.Library.MySql.Data.MySqlClient.ProcedureCache((int)this.settings.ProcedureCacheSize);
}
} catch (Exception) {
this.SetState(ConnectionState.Closed, true);
throw;
}
this.SetState(ConnectionState.Open, false);
this.driver.Configure(this);
if ((this.settings.Database != null) && (this.settings.Database != string.Empty))
{
this.ChangeDatabase(this.settings.Database);
}
if (this.driver.Version.isAtLeast(5, 0, 0))
{
this.schemaProvider = new ISSchemaProvider(this);
}
else
{
this.schemaProvider = new SchemaProvider(this);
}
this.perfMonitor = new PerformanceMonitor(this);
if ((Transaction.Current != null) && this.settings.AutoEnlist)
{
this.EnlistTransaction(Transaction.Current);
}
this.hasBeenOpen = true;
this.SetState(ConnectionState.Open, true);
}
void IPromotableSinglePhaseNotification.SinglePhaseCommit(SinglePhaseEnlistment singlePhaseEnlistment)
{
this.simpleTransaction.Commit();
singlePhaseEnlistment.Committed();
DriverTransactionManager.RemoveDriverInTransaction(this.baseTransaction);
this.connection.driver.CurrentTransaction = null;
if (this.connection.State == ConnectionState.Closed)
{
this.connection.CloseFully();
}
}
public override void EnlistTransaction(Transaction transaction)
{
if (transaction != null)
{
if (this.driver.CurrentTransaction != null)
{
if (this.driver.CurrentTransaction.BaseTransaction != transaction)
{
throw new MySqlException("Already enlisted");
}
}
else
{
Driver driverInTransaction = DriverTransactionManager.GetDriverInTransaction(transaction);
if (driverInTransaction != null)
{
if (driverInTransaction.IsInActiveUse)
{
throw new NotSupportedException(Resources.MultipleConnectionsInTransactionNotSupported);
}
string connectionString = driverInTransaction.Settings.GetConnectionString(true);
string strB = this.Settings.GetConnectionString(true);
if (string.Compare(connectionString, strB, true) != 0)
{
throw new NotSupportedException(Resources.MultipleConnectionsInTransactionNotSupported);
}
this.CloseFully();
this.driver = driverInTransaction;
}
if (this.driver.CurrentTransaction == null)
{
MySqlPromotableTransaction promotableSinglePhaseNotification = new MySqlPromotableTransaction(this, transaction);
if (!transaction.EnlistPromotableSinglePhase(promotableSinglePhaseNotification))
{
throw new NotSupportedException(Resources.DistributedTxnNotSupported);
}
this.driver.CurrentTransaction = promotableSinglePhaseNotification;
DriverTransactionManager.SetDriverInTransaction(this.driver);
this.driver.IsInActiveUse = true;
}
}
}
}
