/// <summary> /// Opens a database connection with the property settings specified by the /// <see cref="Npgsql.NpgsqlConnection.ConnectionString">ConnectionString</see>. /// </summary> public override void Open() { CheckConnectionClosed(); // Check if there is any missing argument. if (!settings.ContainsKey(Keywords.Host)) { throw new ArgumentException("Connection string argument missing!", NpgsqlConnectionStringBuilder.GetKeyName(Keywords.Host)); } if (!settings.ContainsKey(Keywords.UserName) && !settings.ContainsKey(Keywords.IntegratedSecurity)) { throw new ArgumentException("Connection string argument missing!", NpgsqlConnectionStringBuilder.GetKeyName(Keywords.UserName)); } // Get a Connector, either from the pool or creating one ourselves. if (Pooling) { connector = NpgsqlConnectorPool.ConnectorPoolMgr.RequestConnector(this); } else { connector = new NpgsqlConnector(this); connector.ProvideClientCertificatesCallback += ProvideClientCertificatesCallbackDelegate; connector.CertificateSelectionCallback += CertificateSelectionCallbackDelegate; connector.CertificateValidationCallback += CertificateValidationCallbackDelegate; connector.PrivateKeySelectionCallback += PrivateKeySelectionCallbackDelegate; connector.Open(); } connector.Notice += NoticeDelegate; connector.Notification += NotificationDelegate; connector.StateChanged += connector_StateChanged; if (SyncNotification) { connector.AddNotificationThread(); } if (Enlist) { Promotable.Enlist(Transaction.Current); } this.OnStateChange(new StateChangeEventArgs(ConnectionState.Closed, ConnectionState.Open)); }