/// <summary>
/// Gets a collection of <see cref="IEvent{TAuthenticationToken}"/> for the <see cref="IAggregateRoot{TAuthenticationToken}"/> of type <paramref name="aggregateRootType"/> with the ID matching the provided <paramref name="aggregateId"/>.
/// </summary>
/// <param name="aggregateRootType"> <see cref="Type"/> of the <see cref="IAggregateRoot{TAuthenticationToken}"/> the <see cref="IEvent{TAuthenticationToken}"/> was raised in.</param>
/// <param name="aggregateId">The <see cref="IAggregateRoot{TAuthenticationToken}.Id"/> of the <see cref="IAggregateRoot{TAuthenticationToken}"/>.</param>
/// <param name="useLastEventOnly">Loads only the last event<see cref="IEvent{TAuthenticationToken}"/>.</param>
/// <param name="fromVersion">Load events starting from this version</param>
public override IEnumerable <IEvent <TAuthenticationToken> > Get(Type aggregateRootType, Guid aggregateId, bool useLastEventOnly = false, int fromVersion = -1)
{
string streamName = GenerateStreamName(aggregateRootType, aggregateId);
// Create the table query.
var rangeQuery = new TableQuery <DynamicTableEntity>().Where
(
TableQuery.CombineFilters
(
TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, StorageStore <object, object> .GetSafeStorageKey(streamName)),
TableOperators.And,
TableQuery.GenerateFilterCondition("AggregateId", QueryComparisons.Equal, streamName)
)
);
var operationContext = new OperationContext();
IEnumerable <EventData> query = TableStorageStore.ReadableSource.ExecuteQuery(rangeQuery)
#pragma warning disable 0436
.Select(eventData => EntityPropertyConverter.ConvertBack <EventData>(eventData.Properties, operationContext))
#pragma warning restore 0436
.Where(eventData => eventData.AggregateId == streamName && eventData.Version > fromVersion)
.OrderByDescending(eventData => eventData.Version);
if (useLastEventOnly)
{
query = query.AsQueryable().Take(1);
}
return(query
.Select(eventData => EventDeserialiser.Deserialise(eventData))
.ToList());
}
/// <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>
/// Gets a collection of <see cref="IEvent{TAuthenticationToken}"/> for the <see cref="IAggregateRoot{TAuthenticationToken}"/> of type <paramref name="aggregateRootType"/> with the ID matching the provided <paramref name="aggregateId"/> from and including the provided <paramref name="fromVersionedDate"/> up to and including the provided <paramref name="toVersionedDate"/>.
/// </summary>
/// <param name="aggregateRootType"> <see cref="Type"/> of the <see cref="IAggregateRoot{TAuthenticationToken}"/> the <see cref="IEvent{TAuthenticationToken}"/> was raised in.</param>
/// <param name="aggregateId">The <see cref="IAggregateRoot{TAuthenticationToken}.Id"/> of the <see cref="IAggregateRoot{TAuthenticationToken}"/>.</param>
/// <param name="fromVersionedDate">Load events from and including from this <see cref="DateTime"/></param>
/// <param name="toVersionedDate">Load events up-to and including from this <see cref="DateTime"/></param>
public override IEnumerable <IEvent <TAuthenticationToken> > GetBetweenDates(Type aggregateRootType, Guid aggregateId, DateTime fromVersionedDate, DateTime toVersionedDate)
{
string streamName = GenerateStreamName(aggregateRootType, aggregateId);
// Create the table query.
var rangeQuery = new TableQuery <EventDataTableEntity <EventData> >().Where
(
TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, StorageStore <object, object> .GetSafeStorageKey(streamName))
);
IEnumerable <EventData> query = TableStorageStore.ReadableSource.ExecuteQuery(rangeQuery)
.Select(eventData => eventData.EventData)
.Where(eventData => eventData.AggregateId == streamName && eventData.Timestamp >= fromVersionedDate && eventData.Timestamp <= toVersionedDate)
.OrderByDescending(eventData => eventData.Version);
return(query
.Select(eventData => EventDeserialiser.Deserialise(eventData))
.ToList());
}
public override IEnumerable <IEvent <TAuthenticationToken> > Get(Type aggregateRootType, Guid aggregateId, bool useLastEventOnly = false, int fromVersion = -1)
{
string streamName = GenerateStreamName(aggregateRootType, aggregateId);
// Create the table query.
var rangeQuery = new TableQuery <EventDataTableEntity <EventData> >().Where
(
TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.Equal, StorageStore <object, object> .GetSafeStorageKey(streamName))
);
IEnumerable <EventData> query = TableStorageStore.ReadableSource.ExecuteQuery(rangeQuery)
.Select(eventData => eventData.EventData)
.Where(eventData => eventData.AggregateId == streamName && eventData.Version > fromVersion)
.OrderByDescending(eventData => eventData.Version);
if (useLastEventOnly)
{
query = query.AsQueryable().Take(1);
}
return(query
.Select(eventData => EventDeserialiser.Deserialise(eventData))
.ToList());
}
