protected void CompleteSaga <T>(Guid sagaId) where T : IContainSagaData
{
var saga = _sagaPersister.Get <T>(sagaId);
Assert.NotNull(saga);
_sagaPersister.Complete(saga);
}
public override async Task <IContainSagaData> Find(IServiceProvider builder, SagaFinderDefinition finderDefinition, SynchronizedStorageSession storageSession, ContextBag context, object message, IReadOnlyDictionary <string, string> messageHeaders, CancellationToken cancellationToken)
{
var headerName = (string)finderDefinition.Properties["message-header-name"];
if (!messageHeaders.TryGetValue(headerName, out var messageHeaderValue))
{
var saga = context.Get <ActiveSagaInstance>();
var sagaEntityName = saga.Metadata.Name;
var messageName = finderDefinition.MessageTypeName;
throw new Exception($"Message {messageName} mapped to saga {sagaEntityName} is missing a header used for correlation: {headerName}.");
}
var correlationPropertyName = (string)finderDefinition.Properties["saga-property-name"];
var correlationPropertyType = (Type)finderDefinition.Properties["saga-property-type"];
object convertedHeaderValue;
try
{
convertedHeaderValue = TypeDescriptor.GetConverter(correlationPropertyType).ConvertFromInvariantString(messageHeaderValue);
}
catch (Exception exception)
{
var saga = context.Get <ActiveSagaInstance>();
var sagaEntityName = saga.Metadata.Name;
var messageName = finderDefinition.MessageTypeName;
throw new Exception($"Message {messageName} mapped to saga {sagaEntityName} contains correlation header {headerName} value that cannot be cast to correlation property type {correlationPropertyType}: {messageHeaderValue}", exception);
}
var lookupValues = context.GetOrCreate <SagaLookupValues>();
lookupValues.Add <TSagaData>(correlationPropertyName, convertedHeaderValue);
if (convertedHeaderValue == null)
{
var saga = context.Get <ActiveSagaInstance>();
var sagaEntityName = saga.Metadata.Name;
var messageName = finderDefinition.MessageTypeName;
throw new Exception($"Message {messageName} mapped to saga {sagaEntityName} has attempted to assign null to the correlation property {correlationPropertyName}. Correlation properties cannot be assigned null.");
}
if (correlationPropertyName.ToLower() == "id")
{
return(await persister.Get <TSagaData>((Guid)convertedHeaderValue, storageSession, context, cancellationToken).ConfigureAwait(false));
}
return(await persister.Get <TSagaData>(correlationPropertyName, convertedHeaderValue, storageSession, context, cancellationToken).ConfigureAwait(false));
}
internal override IContainSagaData Find(IBuilder builder, SagaFinderDefinition finderDefinition, LogicalMessage message)
{
var propertyAccessor = (Func <object, object>)finderDefinition.Properties["property-accessor"];
var propertyValue = propertyAccessor(message.Instance);
var sagaPropertyName = (string)finderDefinition.Properties["saga-property-name"];
if (sagaPropertyName.ToLower() == "id")
{
return(sagaPersister.Get <TSagaData>((Guid)propertyValue));
}
return(sagaPersister.Get <TSagaData>(sagaPropertyName, propertyValue));
}
public async Task <IContainSagaData> Load(ISagaPersister persister, string sagaId, SynchronizedStorageSession storageSession, ContextBag context)
{
return(await persister.Get <T>(Guid.Parse(sagaId), storageSession, context).ConfigureAwait(false));
}
protected T LoadSaga <T>(Guid id) where T : IContainSagaData
{
return(_sagaPersister.Get <T>(id));
}
protected Task <T> LoadSaga <T>(Guid id) where T : class, IContainSagaData
{
return(_sagaPersister.Get <T>(id, null, null));
}
public IContainSagaData Load(ISagaPersister persister, string sagaId)
{
return(persister.Get <T>(Guid.Parse(sagaId)));
}