public RelevantSagaInfo(ISagaData sagaData, IEnumerable <CorrelationProperty> correlationProperties, Saga saga)
{
SagaData = sagaData;
// only keep necessary correlation properties, i.e.
CorrelationProperties = correlationProperties
.GroupBy(p => p.PropertyName)
.Select(g => g.First())
.ToList();
Saga = saga;
}
static Dictionary <Type, CorrelationProperty[]> GetCorrelationProperties(Saga saga)
{
return(saga.GenerateCorrelationProperties()
.ToLookup(p => p.MessageType)
.ToDictionary(kvp => kvp.Key, kvp => kvp.ToArray()));
}
/// <summary>
/// Creates a new instance of the saga's saga data
/// </summary>
public ISagaData CreateNewSagaData(Saga saga)
{
return(saga.CreateNewSagaData());
}
/// <summary>
/// Gets (most likely from a cache) the set of correlation properties relevant for the given saga handler.
/// </summary>
public SagaDataCorrelationProperties GetCorrelationProperties(object message, Saga saga)
{
var sagaType = saga.GetType();
var sagaDataType = saga.GetSagaDataType();
var key = $"{sagaType.FullName}/{sagaDataType.FullName}";
var correlationPropertiesForThisSagaDataType = _cachedCorrelationProperties
.GetOrAdd(key, _ => GetCorrelationProperties(saga));
return(new SagaDataCorrelationProperties(correlationPropertiesForThisSagaDataType, sagaDataType));
}
/// <summary> /// Creates a new instance of the saga's saga data /// </summary> public ISagaData CreateNewSagaData(Saga saga) => saga.CreateNewSagaData();
/// <summary>
/// Gets (most likely from a cache) the set of correlation properties relevant for the given saga handler.
/// </summary>
public SagaDataCorrelationProperties GetCorrelationProperties(object message, Saga saga)
{
var sagaDataType = saga.GetSagaDataType();
var correlationPropertiesForThisSagaDataType = _cachedCorrelationProperties
.GetOrAdd(sagaDataType, type => GetCorrelationProperties(saga));
return(new SagaDataCorrelationProperties(correlationPropertiesForThisSagaDataType, sagaDataType));
}
