private bool TryGetFromSnapshot(string aggregateRootId, Type aggregateRootType, out IAggregateRoot aggregateRoot)
{
aggregateRoot = _aggregateSnapshotter.RestoreFromSnapshot(aggregateRootType, aggregateRootId);
if (aggregateRoot == null)
{
return(false);
}
if (aggregateRoot.GetType() != aggregateRootType || aggregateRoot.UniqueId != aggregateRootId)
{
throw new Exception(string.Format("AggregateRoot recovery from snapshot is invalid as the aggregateRootType or aggregateRootId is not matched. Snapshot: [aggregateRootType:{0},aggregateRootId:{1}], expected: [aggregateRootType:{2},aggregateRootId:{3}]",
aggregateRoot.GetType(),
aggregateRoot.UniqueId,
aggregateRootType,
aggregateRootId));
}
var aggregateRootTypeName = _typeNameProvider.GetTypeName(aggregateRootType);
var eventStreamsAfterSnapshot = _eventStore.QueryAggregateEvents(aggregateRootId, aggregateRootTypeName, aggregateRoot.Version + 1, int.MaxValue);
aggregateRoot.ReplayEvents(eventStreamsAfterSnapshot);
return(true);
}
public IAggregateRoot Get(Type aggregateRootType, string aggregateRootId)
{
if (aggregateRootType == null)
{
throw new ArgumentNullException("aggregateRootType");
}
if (aggregateRootId == null)
{
throw new ArgumentNullException("aggregateRootId");
}
var aggregateRoot = _aggregateSnapshotter.RestoreFromSnapshot(aggregateRootType, aggregateRootId);
if (aggregateRoot != null && (aggregateRoot.GetType() != aggregateRootType || aggregateRoot.UniqueId != aggregateRootId))
{
throw new Exception(string.Format("AggregateRoot recovery from snapshot is invalid as the aggregateRootType or aggregateRootId is not matched. Snapshot: [aggregateRootType:{0},aggregateRootId:{1}], expected: [aggregateRootType:{2},aggregateRootId:{3}]",
aggregateRoot.GetType(),
aggregateRoot.UniqueId,
aggregateRootType,
aggregateRootId));
}
return(aggregateRoot);
}