public AzureEventSourcedRepository(IEventStore eventStore, IEventStoreBusPublisher publisher, ITextSerializer serializer, IMetadataProvider metadataProvider, IMemoryCache cache)
{
this.eventStore = eventStore;
this.publisher = publisher;
this.serializer = serializer;
this.metadataProvider = metadataProvider;
this.cache = cache;
// TODO: could be replaced with a compiled lambda to make it more performant
var constructor = typeof(T).GetTypeInfo().GetConstructor(new[] { typeof(Guid), typeof(IEnumerable <IVersionedEvent>) });
if (constructor == null)
{
throw new InvalidCastException(
"Type T must have a constructor with the following signature: .ctor(Guid, IEnumerable<IVersionedEvent>)");
}
this.entityFactory = (id, events) => (T)constructor.Invoke(new object[] { id, events });
if (typeof(IMementoOriginator).IsAssignableFrom(typeof(T)) && this.cache != null)
{
// TODO: could be replaced with a compiled lambda to make it more performant
var mementoConstructor = typeof(T).GetConstructor(new[] { typeof(Guid), typeof(IMemento), typeof(IEnumerable <IVersionedEvent>) });
if (mementoConstructor == null)
{
throw new InvalidCastException(
"Type T must have a constructor with the following signature: .ctor(Guid, IMemento, IEnumerable<IVersionedEvent>)");
}
this.originatorEntityFactory = (id, memento, events) => (T)mementoConstructor.Invoke(new object[] { id, memento, events });
this.cacheMementoIfApplicable = (T originator) =>
{
string key = GetPartitionKey(originator.Id);
var memento = ((IMementoOriginator)originator).SaveToMemento();
this.cache.Set(
key,
new Tuple <IMemento, DateTime?>(memento, DateTime.UtcNow),
DateTimeOffset.UtcNow.AddMinutes(30));
};
this.getMementoFromCache = id => (Tuple <IMemento, DateTime?>) this.cache.Get(GetPartitionKey(id));
this.markCacheAsStale = id =>
{
var key = GetPartitionKey(id);
var item = (Tuple <IMemento, DateTime?>) this.cache.Get(key);
if (item != null && item.Item2.HasValue)
{
item = new Tuple <IMemento, DateTime?>(item.Item1, null);
this.cache.Set(
key,
item,
DateTimeOffset.UtcNow.AddMinutes(30));
}
};
}
else
{
// if no cache object or is not a cache originator, then no-op
this.cacheMementoIfApplicable = o => { };
this.getMementoFromCache = id => { return(null); };
this.markCacheAsStale = id => { };
}
}
public AzureEventSourcedRepository(IEventStore <T> eventStore, IEventStoreBusPublisher <T> publisher)
{
this._eventStore = eventStore;
this._publisher = publisher;
_versionedEventSerializer = new VersionedEventSerializer();
var constructor = typeof(T).GetConstructor(new[] { typeof(Guid), typeof(IEnumerable <IVersionedEvent>) });
if (constructor == null)
{
throw new InvalidCastException(
"Type T must have a constructor with the following signature: .ctor(Guid, IEnumerable<IVersionedEvent>)");
}
_entityFactory = (id, events) => (T)constructor.Invoke(new object[] { id, events });
}
public PublisherProcessorAdapter(IEventStoreBusPublisher publisher)
{
this.publisher = publisher;
this.tokenSource = new CancellationTokenSource();
}
public PublisherProcessorAdapter(IEventStoreBusPublisher publisher, CancellationToken token)
{
this.publisher = publisher;
this.token = token;
}
public PublisherProcessorAdapter(IEventStoreBusPublisher publisher, CancellationToken token)
{
this.publisher = publisher;
this.token = token;
}
public EventPublishProcessor(IEventStoreBusPublisher <T> publisher)
{
_publisher = publisher;
_tokenSource = new CancellationTokenSource();
}
public PublisherProcessorAdapter(IEventStoreBusPublisher publisher)
{
this.publisher = publisher;
this.tokenSource = new CancellationTokenSource();
}