/// <summary>
/// Gets the saga type to instantiate and invoke if an existing saga couldn't be found by
/// the given finder using the given message.
/// </summary>
/// <param name="message"></param>
/// <param name="finder"></param>
/// <returns></returns>
public static Type GetSagaTypeToStartIfMessageNotFoundByFinder(object message, IFinder finder)
{
Type sagaEntityType;
FinderTypeToSagaEntityTypeLookup.TryGetValue(finder.GetType(), out sagaEntityType);
if (sagaEntityType == null)
return null;
Type sagaType;
SagaEntityTypeToSagaTypeLookup.TryGetValue(sagaEntityType, out sagaType);
if (sagaType == null)
return null;
List<Type> messageTypes;
SagaTypeToMessagTypesRequiringSagaStartLookup.TryGetValue(sagaType, out messageTypes);
if (messageTypes == null)
return null;
if (messageTypes.Contains(message.GetType()))
return sagaType;
foreach (Type msgTypeHandleBySaga in messageTypes)
if (msgTypeHandleBySaga.IsAssignableFrom(message.GetType()))
return sagaType;
return null;
}
/// <summary>
/// Gets the saga type to instantiate and invoke if an existing saga couldn't be found by
/// the given finder using the given message.
/// </summary>
/// <param name="message"></param>
/// <param name="finder"></param>
/// <returns></returns>
public static Type GetSagaTypeToStartIfMessageNotFoundByFinder(object message, IFinder finder)
{
Type sagaEntityType;
FinderTypeToSagaEntityTypeLookup.TryGetValue(finder.GetType(), out sagaEntityType);
if (sagaEntityType == null)
{
return(null);
}
Type sagaType;
SagaEntityTypeToSagaTypeLookup.TryGetValue(sagaEntityType, out sagaType);
if (sagaType == null)
{
return(null);
}
List <Type> messageTypes;
SagaTypeToMessagTypesRequiringSagaStartLookup.TryGetValue(sagaType, out messageTypes);
if (messageTypes == null)
{
return(null);
}
if (messageTypes.Contains(message.GetType()))
{
return(sagaType);
}
foreach (Type msgTypeHandleBySaga in messageTypes)
{
if (msgTypeHandleBySaga.IsInstanceOfType(message))
{
return(sagaType);
}
}
return(null);
}