/// <summary>
/// Get the latest <see cref="Snapshot"/> from storage.
/// </summary>
/// <returns>The most recent <see cref="Snapshot"/> of</returns>
protected override Snapshot Get(Type aggregateRootType, string streamName)
{
MongoDbEventData query = MongoCollection
.AsQueryable()
.Where(snapshot => snapshot.AggregateId == streamName)
.OrderByDescending(eventData => eventData.Version)
.Take(1)
.SingleOrDefault();
return(EventDeserialiser.Deserialise(query));
}
/// <summary>
/// Saves the provided <paramref name="snapshot"/> into storage.
/// </summary>
/// <param name="snapshot">the <see cref="Snapshot"/> to save and store.</param>
public override void Save(Snapshot snapshot)
{
EventData eventData = BuildEventData(snapshot);
var safeEventData = new MongoDbEventData(eventData);
Logger.LogDebug("Adding an event to the MongoDB database", "MongoDbSnapshotStore\\Save");
try
{
DateTime start = DateTime.Now;
MongoCollection.InsertOne(safeEventData);
DateTime end = DateTime.Now;
Logger.LogDebug(string.Format("Adding data in the MongoDB database took {0}.", end - start), "MongoDbSnapshotStore\\Save");
}
finally
{
Logger.LogDebug("Adding an event to the MongoDB database... Done", "MongoDbSnapshotStore\\Save");
}
}
/// <summary>
/// Persist the provided <paramref name="eventData"/> into storage.
/// </summary>
/// <param name="eventData">The <see cref="EventData"/> to persist.</param>
protected override void PersistEvent(EventData eventData)
{
var safeEventData = eventData as MongoDbEventData;
if (safeEventData == null)
{
safeEventData = new MongoDbEventData(eventData);
}
Logger.LogDebug("Adding an event to the MongoDB database", "MongoDbEventStore\\PersistEvent");
try
{
DateTime start = DateTime.Now;
MongoCollection.InsertOne(safeEventData);
DateTime end = DateTime.Now;
Logger.LogDebug(string.Format("Adding data in the MongoDB database took {0}.", end - start), "MongoDbEventStore\\PersistEvent");
}
finally
{
Logger.LogDebug("Adding an event to the MongoDB database... Done", "MongoDbEventStore\\PersistEvent");
}
}