private GetLoadBalancedConnection ( |
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cancellationToken | ||
Résultat | Task |
public Task <LoadBalancedConnection> GetConnection( [CanBeNull] string connectionName = null, [CanBeNull] bool?ensureIdentical = null, CancellationToken cancellationToken = default(CancellationToken)) { LoadBalancedConnectionElement connectionElement = string.IsNullOrWhiteSpace(connectionName) ? Connections.FirstOrDefault(c => c.Enabled) : Connections[connectionName]; if (connectionElement == null) { throw new LoggingException( () => Resources.DatabaseElement_GetSchemas_No_Connection, Id); } return(connectionElement.GetLoadBalancedConnection(ensureIdentical, cancellationToken)); }
public async Task <SqlProgram> GetSqlProgram( [NotNull] string name, [CanBeNull] IEnumerable <KeyValuePair <string, Type> > parameters = null, bool?ignoreValidationErrors = null, bool?checkOrder = null, TimeSpan?defaultCommandTimeout = null, TypeConstraintMode?constraintMode = null, CancellationToken cancellationToken = default(CancellationToken)) { if (name == null) { throw new ArgumentNullException(nameof(name)); } // Grab the default load balanced connection for the database. // ReSharper disable once PossibleNullReferenceException LoadBalancedConnectionElement connectionElement = Connections.FirstOrDefault(c => c.Enabled); if (connectionElement == null) { throw new LoggingException( () => Resources.DatabaseElement_GetSqlProgram_DefaultLoadBalanceConnectionNotFound, Id); } // Look for program mapping information ProgramElement prog = Programs[name]; if (prog != null) { // Check for name mapping if (!String.IsNullOrWhiteSpace(prog.MapTo)) { // ReSharper disable once AssignNullToNotNullAttribute name = prog.MapTo; } // Set options if not already set. ignoreValidationErrors = ignoreValidationErrors ?? prog.IgnoreValidationErrors; checkOrder = checkOrder ?? prog.CheckOrder; defaultCommandTimeout = defaultCommandTimeout ?? prog.DefaultCommandTimeout; constraintMode = constraintMode ?? prog.ConstraintMode; if (!String.IsNullOrEmpty(prog.Connection)) { // ReSharper disable once AssignNullToNotNullAttribute connectionElement = Connections[prog.Connection]; if ((connectionElement == null) || (!connectionElement.Enabled)) { throw new LoggingException( () => Resources.DatabaseElement_GetSqlProgram_LoadBalanceConnectionNotFound, prog.Connection, Id, name); } } // Check for parameter mappings if ((parameters != null) && prog.Parameters.Any()) { parameters = parameters .Select( kvp => { // ReSharper disable once AssignNullToNotNullAttribute ParameterElement param = prog.Parameters[kvp.Key]; if (param == null) { return(kvp); } if (String.IsNullOrWhiteSpace(param.MapTo)) { throw new LoggingException( () => Resources.DatabaseElement_GetSqlProgram_MappingNotSpecified, kvp.Key, prog.Name); } return(new KeyValuePair <string, Type>(param.MapTo, kvp.Value)); }).ToList(); } } if (ignoreValidationErrors == null) { ignoreValidationErrors = false; } if (checkOrder == null) { checkOrder = false; } if (constraintMode == null) { constraintMode = TypeConstraintMode.Warn; } if (connectionElement == null) { throw new LoggingException( () => Resources.DatabaseElement_GetSchemas_No_Connection, Id); } LoadBalancedConnection connection = await connectionElement.GetLoadBalancedConnection(cancellationToken).ConfigureAwait(false); Debug.Assert(connection != null); Debug.Assert(name != null); return(await SqlProgram.Create( connection, name, parameters, ignoreValidationErrors.Value, checkOrder.Value, defaultCommandTimeout, (TypeConstraintMode)constraintMode, cancellationToken).ConfigureAwait(false)); }