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 Shaiya.Extended.Server.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 );
}