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);
}
