Task IPublishEndpointConverter.Publish(IPublishEndpoint endpoint, object message, CancellationToken cancellationToken)
{
if (endpoint == null)
{
throw new ArgumentNullException(nameof(endpoint));
}
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
var msg = message as T;
if (msg == null)
{
throw new ArgumentException("Unexpected message type: " + TypeMetadataCache.GetShortName(message.GetType()));
}
return(endpoint.Publish(msg, cancellationToken));
}
public void Configure(IReceiveEndpointConfigurator configurator, IConfigurationServiceProvider configurationServiceProvider)
{
ISagaStateMachineFactory stateMachineFactory = configurationServiceProvider.GetRequiredService<ISagaStateMachineFactory>();
SagaStateMachine<TInstance> stateMachine = stateMachineFactory.CreateStateMachine<TInstance>();
var repositoryFactory = configurationServiceProvider.GetRequiredService<ISagaRepositoryFactory>();
ISagaRepository<TInstance> repository = repositoryFactory.CreateSagaRepository<TInstance>();
var stateMachineConfigurator = new StateMachineSagaConfigurator<TInstance>(stateMachine, repository, configurator);
LogContext.Debug?.Log("Configuring endpoint {Endpoint}, Saga: {SagaType}, State Machine: {StateMachineType}", configurator.InputAddress.GetLastPart(),
TypeMetadataCache<TInstance>.ShortName, TypeMetadataCache.GetShortName(stateMachine.GetType()));
GetSagaDefinition(configurationServiceProvider)
.Configure(configurator, stateMachineConfigurator);
foreach (Action<ISagaConfigurator<TInstance>> action in _configureActions)
action(stateMachineConfigurator);
configurator.AddEndpointSpecification(stateMachineConfigurator);
}
Task IConsumeObserverConverter.PostConsume(IConsumeObserver observer, object context)
{
if (observer == null)
{
throw new ArgumentNullException(nameof(observer));
}
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
var consumeContext = context as ConsumeContext <T>;
if (consumeContext == null)
{
throw new ArgumentException("Unexpected context type: " + TypeMetadataCache.GetShortName(context.GetType()));
}
return(observer.PostConsume(consumeContext));
}
/// <summary>
/// Send a message
/// </summary>
/// <param name="provider"></param>
/// <param name="message">The message</param>
/// <param name="cancellationToken"></param>
/// <returns>The task which is completed once the Send is acknowledged by the broker</returns>
public static async Task Send(this ISendEndpointProvider provider, object message, CancellationToken cancellationToken = default(CancellationToken))
{
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
var messageType = message.GetType();
Uri destinationAddress;
if (!EndpointConvention.TryGetDestinationAddress(message, out destinationAddress))
{
throw new ArgumentException($"A convention for the message type {TypeMetadataCache.GetShortName(messageType)} was not found");
}
var endpoint = await provider.GetSendEndpoint(destinationAddress).ConfigureAwait(false);
await endpoint.Send(message, cancellationToken).ConfigureAwait(false);
}
Type CreateTypeFromInterface(ModuleBuilder builder, Type interfaceType)
{
var typeName = _proxyNamespaceSuffix + "." +
(interfaceType.IsNested && interfaceType.DeclaringType != null
? (interfaceType.DeclaringType.Name + '+' + TypeMetadataCache.GetShortName(interfaceType))
: TypeMetadataCache.GetShortName(interfaceType));
try
{
var typeBuilder = builder.DefineType(typeName,
TypeAttributes.Serializable | TypeAttributes.Class |
TypeAttributes.Public | TypeAttributes.Sealed,
typeof(object), new[] { interfaceType });
typeBuilder.DefineDefaultConstructor(MethodAttributes.Public);
IEnumerable <PropertyInfo> properties = interfaceType.GetAllProperties();
foreach (var property in properties)
{
var fieldBuilder = typeBuilder.DefineField("field_" + property.Name, property.PropertyType,
FieldAttributes.Private);
var propertyBuilder = typeBuilder.DefineProperty(property.Name,
property.Attributes | PropertyAttributes.HasDefault, property.PropertyType, null);
var getMethod = GetGetMethodBuilder(property, typeBuilder, fieldBuilder);
var setMethod = GetSetMethodBuilder(property, typeBuilder, fieldBuilder);
propertyBuilder.SetGetMethod(getMethod);
propertyBuilder.SetSetMethod(setMethod);
}
return(typeBuilder.CreateType());
}
catch (Exception ex)
{
string message = $"Exception creating proxy ({typeName}) for {TypeMetadataCache.GetShortName(interfaceType)}";
throw new InvalidOperationException(message, ex);
}
}
async Task IFilter <ConsumeContext <TMessage> > .Send(ConsumeContext <TMessage> context, IPipe <ConsumeContext <TMessage> > next)
{
Stopwatch timer = Stopwatch.StartNew();
try
{
_observer.OnNext(context);
await context.NotifyConsumed(timer.Elapsed, TypeMetadataCache.GetShortName(_observer.GetType())).ConfigureAwait(false);
await next.Send(context).ConfigureAwait(false);
}
catch (Exception ex)
{
await context.NotifyFaulted(timer.Elapsed, TypeMetadataCache.GetShortName(_observer.GetType()), ex).ConfigureAwait(false);
_observer.OnError(ex);
throw;
}
}
public override object ReadJson(JsonReader reader, Type objectType, object existingValue, JsonSerializer serializer)
{
Type dataType = objectType.GetClosingArguments(typeof(MessageData <>)).First();
var reference = serializer.Deserialize <MessageDataReference>(reader);
if (reference?.Reference == null)
{
return(Activator.CreateInstance(typeof(EmptyMessageData <>).MakeGenericType(dataType)));
}
if (dataType == typeof(string))
{
return(new DeserializedMessageData <string>(reference.Reference));
}
if (dataType == typeof(byte[]))
{
return(new DeserializedMessageData <byte[]>(reference.Reference));
}
throw new MessageDataException("The message data type was unknown: " + TypeMetadataCache.GetShortName(dataType));
}
public void AddConsumer(Type consumerType, Type consumerDefinitionType)
{
if (TypeMetadataCache.HasSagaInterfaces(consumerType))
{
throw new ArgumentException($"{TypeMetadataCache.GetShortName(consumerType)} is a saga, and cannot be registered as a consumer",
nameof(consumerType));
}
IConsumerRegistration ValueFactory(Type type)
{
ConsumerRegistrationCache.Register(type, Registrar);
return((IConsumerRegistration)Activator.CreateInstance(typeof(ConsumerRegistration <>).MakeGenericType(type)));
}
_consumers.GetOrAdd(consumerType, ValueFactory);
if (consumerDefinitionType != null)
{
ConsumerDefinitionRegistrationCache.Register(consumerDefinitionType, Registrar);
}
}
Task ISendEndpointConverter.Send(ISendEndpoint endpoint, object message, IPipe <SendContext> pipe, CancellationToken cancellationToken)
{
if (endpoint == null)
{
throw new ArgumentNullException(nameof(endpoint));
}
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
if (pipe == null)
{
throw new ArgumentNullException(nameof(pipe));
}
if (message is T msg)
{
return(endpoint.Send(msg, pipe, cancellationToken));
}
throw new ArgumentException("Unexpected message type: " + TypeMetadataCache.GetShortName(message.GetType()));
}
Task IResponseEndpointConverter.Respond(ConsumeContext consumeContext, object message, IPipe <SendContext> pipe)
{
if (consumeContext == null)
{
throw new ArgumentNullException(nameof(consumeContext));
}
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
if (pipe == null)
{
throw new ArgumentNullException(nameof(pipe));
}
if (message is T msg)
{
return(consumeContext.RespondAsync(msg, pipe));
}
throw new ArgumentException("Unexpected message type: " + TypeMetadataCache.GetShortName(message.GetType()));
}
public async Task <ScheduledMessage> ScheduleSend(IMessageScheduler scheduler, Uri destinationAddress, DateTime scheduledTime, object message,
IPipe <SendContext> pipe, CancellationToken cancellationToken = default)
{
if (scheduler == null)
{
throw new ArgumentNullException(nameof(scheduler));
}
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
if (pipe == null)
{
throw new ArgumentNullException(nameof(pipe));
}
if (message is T msg)
{
return(await scheduler.ScheduleSend(destinationAddress, scheduledTime, msg, pipe, cancellationToken).ConfigureAwait(false));
}
throw new ArgumentException("Unexpected message type: " + TypeMetadataCache.GetShortName(message.GetType()));
}
/// <summary>
/// Connect a consumer with a consumer type and object factory method for the consumer (used by containers mostly)
/// </summary>
/// <param name="configurator"></param>
/// <param name="consumerType"></param>
/// <param name="consumerFactory"></param>
/// <returns></returns>
public static void Consumer(this IReceiveEndpointConfigurator configurator, Type consumerType, Func <Type, object> consumerFactory)
{
if (configurator == null)
{
throw new ArgumentNullException(nameof(configurator));
}
if (consumerType == null)
{
throw new ArgumentNullException(nameof(consumerType));
}
if (consumerFactory == null)
{
throw new ArgumentNullException(nameof(consumerFactory));
}
LogContext.Debug?.Log("Subscribing Consumer: {ConsumerType} (by type, using object consumer factory)",
TypeMetadataCache.GetShortName(consumerType));
var configuratorType = typeof(UntypedConsumerConfigurator <>).MakeGenericType(consumerType);
var consumerConfigurator = (IReceiveEndpointSpecification)Activator.CreateInstance(configuratorType, consumerFactory, configurator);
configurator.AddEndpointSpecification(consumerConfigurator);
}
/// <summary>
/// Configure the MassTransit Platform with a startup class, which is used to add consumers,
/// sagas, activities, etc. as well as customize the bus configuration if necessary.
/// </summary>
/// <param name="builder"></param>
/// <param name="startupTypes">The startup class types</param>
/// <returns></returns>
public static IWebHostBuilder UseMassTransitStartup(this IWebHostBuilder builder, params Type[] startupTypes)
{
builder.ConfigureAppConfiguration((hostingContext, config) =>
{
config.AddEnvironmentVariables("MT_");
});
builder.UseSerilog();
builder.ConfigureServices(services =>
{
foreach (var type in startupTypes)
{
Log.Information("Adding Startup: {StartupType}", TypeMetadataCache.GetShortName(type));
services.AddSingleton(typeof(IPlatformStartup), type);
}
});
builder.UseStartup <MassTransitStartup>();
return(builder);
}
public async Task <ScheduledRecurringMessage> ScheduleRecurringSend(IRecurringMessageScheduler scheduler, Uri destinationAddress,
RecurringSchedule schedule, object message, CancellationToken cancellationToken)
{
if (scheduler == null)
{
throw new ArgumentNullException(nameof(scheduler));
}
if (schedule == null)
{
throw new ArgumentNullException(nameof(schedule));
}
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
if (message is T msg)
{
return(await scheduler.ScheduleRecurringSend(destinationAddress, schedule, msg, cancellationToken).ConfigureAwait(false));
}
throw new ArgumentException("Unexpected message type: " + TypeMetadataCache.GetShortName(message.GetType()));
}
public static IEnumerable <ValidationResult> ValidateConsumer <TConsumer>(this Configurator configurator)
where TConsumer : class
{
if (!typeof(TConsumer).HasInterface <IConsumer>())
{
yield return(configurator.Warning("Consumer",
$"The consumer class {TypeMetadataCache<TConsumer>.ShortName} does not implement any IConsumer interfaces"));
}
IEnumerable <ValidationResult> warningForMessages = ConsumerMetadataCache <TConsumer>
.ConsumerTypes.Distinct(MessageTypeComparer)
.Where(x => !(HasProtectedDefaultConstructor(x.MessageType) || HasSinglePublicConstructor(x.MessageType)))
.Select(x =>
$"The {TypeMetadataCache.GetShortName(x.MessageType)} message should have a public or protected default constructor."
+ " Without an available constructor, MassTransit will initialize new message instances"
+ " without calling a constructor, which can lead to unpredictable behavior if the message"
+ " depends upon logic in the constructor to be executed.")
.Select(message => configurator.Warning("Message", message));
foreach (ValidationResult message in warningForMessages)
{
yield return(message);
}
}
/// <summary>
/// Set the host headers on the SendContext (for error, dead-letter, etc.)
/// </summary>
/// <param name="headers"></param>
/// <param name="exceptionContext"></param>
public static void SetExceptionHeaders(this SendHeaders headers, ExceptionReceiveContext exceptionContext)
{
var exception = exceptionContext.Exception.GetBaseException() ?? exceptionContext.Exception;
var exceptionMessage = ExceptionUtil.GetMessage(exception);
headers.Set(MessageHeaders.Reason, "fault");
headers.Set(MessageHeaders.FaultExceptionType, TypeMetadataCache.GetShortName(exception.GetType()));
headers.Set(MessageHeaders.FaultMessage, exceptionMessage);
headers.Set(MessageHeaders.FaultTimestamp, exceptionContext.ExceptionTimestamp.ToString("O"));
headers.Set(MessageHeaders.FaultStackTrace, ExceptionUtil.GetStackTrace(exception));
if (exceptionContext.TryGetPayload(out ConsumerFaultInfo info))
{
headers.Set(MessageHeaders.FaultConsumerType, info.ConsumerType);
headers.Set(MessageHeaders.FaultMessageType, info.MessageType);
}
if (exceptionContext.TryGetPayload(out RetryContext retryContext) && retryContext.RetryCount > 0)
{
headers.Set(MessageHeaders.FaultRetryCount, retryContext.RetryCount);
}
}
public void ConfigureEndpoints <T>(T configurator, IEndpointNameFormatter endpointNameFormatter)
where T : IBusFactoryConfigurator
{
if (configurator == null)
{
throw new ArgumentNullException(nameof(configurator));
}
if (endpointNameFormatter == null)
{
endpointNameFormatter = new DefaultEndpointNameFormatter();
}
var consumersByEndpoint = _consumers.Values
.Select(x => x.GetDefinition(_configurationServiceProvider))
.GroupBy(x => x.GetEndpointName(endpointNameFormatter));
var sagasByEndpoint = _sagas.Values
.Select(x => x.GetDefinition(_configurationServiceProvider))
.GroupBy(x => x.GetEndpointName(endpointNameFormatter));
var activitiesByExecuteEndpoint = _activities.Values
.Select(x => x.GetDefinition(_configurationServiceProvider))
.GroupBy(x => x.GetExecuteEndpointName(endpointNameFormatter));
var executeActivitiesByEndpoint = _executeActivities.Values
.Select(x => x.GetDefinition(_configurationServiceProvider))
.GroupBy(x => x.GetExecuteEndpointName(endpointNameFormatter));
var endpointNames = consumersByEndpoint.Select(x => x.Key)
.Union(sagasByEndpoint.Select(x => x.Key))
.Union(activitiesByExecuteEndpoint.Select(x => x.Key))
.Union(executeActivitiesByEndpoint.Select(x => x.Key));
var endpoints =
from e in endpointNames
join c in consumersByEndpoint on e equals c.Key into cs
from c in cs.DefaultIfEmpty()
join s in sagasByEndpoint on e equals s.Key into ss
from s in ss.DefaultIfEmpty()
join a in activitiesByExecuteEndpoint on e equals a.Key into aes
from a in aes.DefaultIfEmpty()
join ea in executeActivitiesByEndpoint on e equals ea.Key into eas
from ea in eas.DefaultIfEmpty()
select new { Name = e, Consumers = c, Sagas = s, Activities = a, ExecuteActivities = ea };
foreach (var endpoint in endpoints)
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Configuring receive endpoint: {0}", endpoint.Name);
}
configurator.ReceiveEndpoint(endpoint.Name, cfg =>
{
if (endpoint.Consumers != null)
{
foreach (var consumer in endpoint.Consumers)
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Configuring consumer {0} on {1}", TypeMetadataCache.GetShortName(consumer.ConsumerType), endpoint.Name);
}
ConfigureConsumer(consumer.ConsumerType, cfg);
}
}
if (endpoint.Sagas != null)
{
foreach (var saga in endpoint.Sagas)
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Configuring saga {0} on {1}", TypeMetadataCache.GetShortName(saga.SagaType), endpoint.Name);
}
ConfigureSaga(saga.SagaType, cfg);
}
}
if (endpoint.Activities != null)
{
foreach (var activity in endpoint.Activities)
{
var compensateEndpointName = activity.GetCompensateEndpointName(endpointNameFormatter);
configurator.ReceiveEndpoint(compensateEndpointName, compensateEndpointConfigurator =>
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Configuring activity {0} on {1}/{2}", TypeMetadataCache.GetShortName(activity.ActivityType),
endpoint.Name, compensateEndpointName);
}
ConfigureActivity(activity.ActivityType, cfg, compensateEndpointConfigurator);
});
}
}
if (endpoint.ExecuteActivities != null)
{
foreach (var activity in endpoint.ExecuteActivities)
{
if (_log.IsDebugEnabled)
{
_log.DebugFormat("Configuring activity {0} on {1}", TypeMetadataCache.GetShortName(activity.ActivityType), endpoint.Name);
}
ConfigureExecuteActivity(activity.ActivityType, cfg);
}
}
});
}
}
/// <summary>
/// Connect a consumer with a consumer type and object factory method for the consumer
/// </summary>
/// <param name="connector"></param>
/// <param name="consumerType"></param>
/// <param name="objectFactory"></param>
/// <returns></returns>
public static ConnectHandle ConnectConsumer(this IConsumePipeConnector connector, Type consumerType, Func <Type, object> objectFactory)
{
if (connector == null)
{
throw new ArgumentNullException(nameof(connector));
}
if (consumerType == null)
{
throw new ArgumentNullException(nameof(consumerType));
}
if (objectFactory == null)
{
throw new ArgumentNullException(nameof(objectFactory));
}
if (!consumerType.HasInterface <IConsumer>())
{
throw new ArgumentException("The consumer type must implement an IConsumer interface");
}
LogContext.Debug?.Log("Connecting Consumer: {ConsumerType} (by type, using object consumer factory)", TypeMetadataCache.GetShortName(consumerType));
return(ConsumerConnectorCache.Connect(connector, consumerType, objectFactory));
}
public void AddSaga(Type sagaType, Type sagaDefinitionType)
{
if (sagaType.HasInterface <SagaStateMachineInstance>())
{
throw new ArgumentException($"State machine sagas must be registered using AddSagaStateMachine: {TypeMetadataCache.GetShortName(sagaType)}");
}
_sagas.GetOrAdd(sagaType, type => SagaRegistrationCache.CreateRegistration(type, Registrar));
if (sagaDefinitionType != null)
{
SagaDefinitionRegistrationCache.Register(sagaDefinitionType, Registrar);
}
}
SchemaTableColumnTrio GetSchemaAndTableNameAndColumnName(IDbContextDependencies dependencies, Type type)
{
if (TableNames.TryGetValue(type, out var result) && _enableSchemaCaching)
{
return(result);
}
#pragma warning disable EF1001
var entityType = dependencies.Model.FindEntityType(type);
var schema = entityType.GetSchema();
var tableName = entityType.GetTableName();
var property = entityType.GetProperties().Single(x => x.Name.Equals(nameof(ISaga.CorrelationId), StringComparison.OrdinalIgnoreCase));
var columnName = property.GetColumnName();
if (string.IsNullOrWhiteSpace(tableName))
{
throw new MassTransitException($"Unable to determine saga table name: {TypeMetadataCache.GetShortName(type)} (using model metadata).");
}
result = new SchemaTableColumnTrio(schema ?? DefaultSchema, tableName, columnName);
if (_enableSchemaCaching)
{
TableNames.TryAdd(type, result);
}
return(result);
}
static Uri GetPublishAddress(IBus bus, Type messageType)
{
if (bus.Topology.PublishTopology.TryGetPublishAddress(messageType, bus.Address, out var address))
{
return(address);
}
throw new ArgumentException($"The publish address for the specified type was not returned: {TypeMetadataCache.GetShortName(messageType)}");
}
static string FormatMessage(Type sagaType, Guid correlationId, Type messageType, string message)
{
return($"{TypeMetadataCache.GetShortName(sagaType)}({correlationId}) Saga exception on receipt of {TypeMetadataCache.GetShortName(messageType)}: {message}");
}
static CachedRegistration GetOrAdd(Type activityType)
{
if (!activityType.HasInterface(typeof(IExecuteActivity <>)))
{
throw new ArgumentException($"The type is not an execute activity: {TypeMetadataCache.GetShortName(activityType)}", nameof(activityType));
}
if (activityType.HasInterface(typeof(ICompensateActivity <>)))
{
throw new ArgumentException($"The type is an activity, which supports compensation: {TypeMetadataCache.GetShortName(activityType)}",
nameof(activityType));
}
var argumentType = activityType.GetClosingArguments(typeof(IExecuteActivity <>)).Single();
return(Cached.Instance.GetOrAdd(activityType,
_ => (CachedRegistration)Activator.CreateInstance(typeof(CachedRegistration <,>).MakeGenericType(activityType, argumentType))));
}
public override byte[] GetBody()
{
if (_body != null)
{
return(_body);
}
if (TransportMessage is ITextMessage textMessage)
{
return(_body = Encoding.UTF8.GetBytes(textMessage.Text));
}
if (TransportMessage is IBytesMessage bytesMessage)
{
return(_body = bytesMessage.Content);
}
throw new ActiveMqTransportException($"The message type is not supported: {TypeMetadataCache.GetShortName(TransportMessage.GetType())}");
}
IReadProperty <T, TProperty> GetReadProperty <TProperty>(string name)
{
lock (_properties)
{
if (_properties.TryGetValue(name, out var property))
{
return(property as IReadProperty <T, TProperty>);
}
if (_propertyIndex.TryGetValue(name, out var propertyInfo))
{
if (propertyInfo.PropertyType != typeof(TProperty))
{
throw new ArgumentException(
$"Property type mismatch, {TypeMetadataCache<TProperty>.ShortName} != {TypeMetadataCache.GetShortName(propertyInfo.PropertyType)}");
}
var readProperty = new ReadProperty <T, TProperty>(propertyInfo);
_properties[name] = readProperty;
return(readProperty);
}
}
throw new ArgumentException($"{TypeMetadataCache<T>.ShortName} does not contain the property: {name}", nameof(name));
}
public Type GetGenericInterface(Type type, Type interfaceType)
{
if (!interfaceType.GetTypeInfo().IsGenericTypeDefinition)
{
throw new ArgumentException($"The interface must be a generic interface definition: {TypeMetadataCache.GetShortName(interfaceType)}",
nameof(interfaceType));
}
// our contract states that we will not return generic interface definitions without generic type arguments
if (type == interfaceType)
{
return(null);
}
if (type.GetTypeInfo().IsGenericType)
{
if (type.GetGenericTypeDefinition() == interfaceType)
{
return(type);
}
}
Type[] interfaces = type.GetTypeInfo().ImplementedInterfaces.ToArray();
return(interfaces.Where(t => t.GetTypeInfo().IsGenericType)
.FirstOrDefault(t => t.GetGenericTypeDefinition() == interfaceType));
}
public override byte[] GetBody()
{
if (_body != null)
{
return(_body);
}
if (TransportMessage != null)
{
return(_body = Encoding.UTF8.GetBytes(TransportMessage.Body));
}
throw new AmazonSqsTransportException($"The message type is not supported: {TypeMetadataCache.GetShortName(typeof(Message))}");
}
static CachedRegistration GetOrAdd(Type type)
{
if (!type.HasInterface(typeof(IExecuteActivityDefinition <,>)))
{
throw new ArgumentException($"The type is not an activity definition: {TypeMetadataCache.GetShortName(type)}", nameof(type));
}
var argumentTypes = type.GetClosingArguments(typeof(IExecuteActivityDefinition <,>)).ToArray();
var genericType = typeof(CachedRegistration <, ,>).MakeGenericType(type, argumentTypes[0], argumentTypes[1]);
return(Cached.Instance.GetOrAdd(type, _ => (CachedRegistration)Activator.CreateInstance(genericType)));
}
public static void RegisterSagaStateMachines(this IContainerRegistrar registrar, params Type[] types)
{
foreach (var type in types)
{
if (!type.HasInterface(typeof(SagaStateMachine <>)))
{
throw new ArgumentException($"The type is not a saga state machine: {TypeMetadataCache.GetShortName(type)}", nameof(types));
}
SagaStateMachineRegistrationCache.Register(type, registrar);
}
}
IReadProperty <T, TProperty> IReadPropertyCache <T> .GetProperty <TProperty>(PropertyInfo propertyInfo)
{
lock (_properties)
{
var name = propertyInfo?.Name ?? throw new ArgumentNullException(nameof(propertyInfo));
if (_properties.TryGetValue(name, out var property))
{
return(property as IReadProperty <T, TProperty>);
}
if (propertyInfo.PropertyType != typeof(TProperty))
{
throw new ArgumentException(
$"Property type mismatch, {TypeMetadataCache<TProperty>.ShortName} != {TypeMetadataCache.GetShortName(propertyInfo.PropertyType)}",
nameof(propertyInfo));
}
var readProperty = new ReadProperty <T, TProperty>(propertyInfo);
_properties[name] = readProperty;
return(readProperty);
}
}