/// <summary>
/// Initializes a new instance of <see cref="EventEnvelope"/>
/// </summary>
/// <param name="correlationId"><see cref="TransactionCorrelationId"/> the <see cref="IEvent"/> is part of</param>
/// <param name="eventId"><see cref="EventId"/> for the <see cref="IEvent"/></param>
/// <param name="sequenceNumber"></param>
/// <param name="sequenceNumberForEventType"></param>
/// <param name="generation"><see cref="EventGeneration"/> for the <see cref="IEvent"/> </param>
/// <param name="event"><see cref="IApplicationResourceIdentifier"/> representing the <see cref="IEvent"/></param>
/// <param name="eventSourceId"><see cref="EventSourceId"/> for the <see cref="IEventSource"/></param>
/// <param name="eventSource"><see cref="IApplicationResourceIdentifier"/> representing the <see cref="IEventSource"/></param>
/// <param name="version"><see cref="EventSourceVersion">Version</see> of the event related to the <see cref="IEventSource"/></param>
/// <param name="causedBy"><see cref="string"/> representing which person or what system caused the event</param>
/// <param name="occurred"><see cref="DateTime">When</see> the event occured</param>
public EventEnvelope(
TransactionCorrelationId correlationId,
EventId eventId,
EventSequenceNumber sequenceNumber,
EventSequenceNumber sequenceNumberForEventType,
EventGeneration generation,
IApplicationResourceIdentifier @event,
EventSourceId eventSourceId,
IApplicationResourceIdentifier eventSource,
EventSourceVersion version,
CausedBy causedBy,
DateTimeOffset occurred)
{
CorrelationId = correlationId;
EventId = eventId;
SequenceNumber = sequenceNumber;
SequenceNumberForEventType = sequenceNumberForEventType;
Generation = generation;
Event = @event;
EventSourceId = eventSourceId;
EventSource = eventSource;
Version = version;
CausedBy = causedBy;
Occurred = occurred;
}
public Type GetTargetTypeForGeneration(Type logicalEvent, EventGeneration level)
{
if (level < 0)
{
throw new MigrationLevelOutOfRangeException(string.Format("The lowest possible migration level is 0. You asked for {0}", level));
}
var hierarchy = GetHierarchyForLogicalType(logicalEvent);
Type type;
try
{
type = hierarchy.GetConcreteTypeForLevel(level);
}
catch (Exception)
{
throw new MigrationLevelOutOfRangeException(string.Format(
"The maximum migration level for the logical event {0} is {1}. Does not have a migration level of {2}",
logicalEvent.FullName, hierarchy.MigrationLevel, level
));
}
return(type);
}