/// <inheritdoc/>
public IEnumerable <EventAndEnvelope> GetFor(IApplicationResourceIdentifier eventSource, EventSourceId eventSourceId)
{
var partitionKeyFilter = GetPartitionKeyFilterFor(eventSource, eventSourceId);
var query = new TableQuery <DynamicTableEntity>().Where(partitionKeyFilter);
var events = new List <DynamicTableEntity>();
TableContinuationToken continuationToken = null;
do
{
_table.ExecuteQuerySegmentedAsync(query, continuationToken).ContinueWith(e =>
{
events.AddRange(e.Result.Results);
continuationToken = e.Result.ContinuationToken;
}).Wait();
} while (continuationToken != null);
var eventsAndEnvelopes = events.OrderBy(e => long.Parse(e.RowKey)).Select(entity => {
var eventResource = GetApplicationResourceIdentifierFromSanitizedString(entity.Properties[PropertiesFor <EventEnvelope> .GetPropertyName(e => e.Event)].StringValue);
var eventSourceResource = GetApplicationResourceIdentifierFromSanitizedString(entity.Properties[PropertiesFor <EventEnvelope> .GetPropertyName(e => e.EventSource)].StringValue);
var envelope = new EventEnvelope(
PropertiesFor <EventEnvelope> .GetValue(entity, e => e.CorrelationId),
PropertiesFor <EventEnvelope> .GetValue(entity, e => e.EventId),
PropertiesFor <EventEnvelope> .GetValue(entity, e => e.SequenceNumber),
PropertiesFor <EventEnvelope> .GetValue(entity, e => e.SequenceNumberForEventType),
PropertiesFor <EventEnvelope> .GetValue(entity, e => e.Generation),
eventResource,
PropertiesFor <EventEnvelope> .GetValue(entity, e => e.EventSourceId),
eventSourceResource,
PropertiesFor <EventEnvelope> .GetValue(entity, e => e.Version),
PropertiesFor <EventEnvelope> .GetValue(entity, e => e.CausedBy),
PropertiesFor <EventEnvelope> .GetValue(entity, e => e.Occurred)
);
var eventType = _applicationResourceResolver.Resolve(envelope.Event);
var @event = Activator.CreateInstance(eventType, envelope.EventSourceId) as IEvent;
eventType.GetProperties().Where(p => p.CanWrite).ForEach(p => p.SetValue(@event, PropertyHelper.GetValue(entity, p)));
return(new EventAndEnvelope(envelope, @event));
});
return(eventsAndEnvelopes);
}
/// <summary>
/// Get a value from a <see cref="DynamicTableEntity"/> by giving the target objects property.
/// From the expression given it will find the expected type and also the name of the property to
/// look for in the entity from Azure Tables
/// </summary>
/// <typeparam name="TProperty"><see cref="Type"/> of property type - inferred</typeparam>
/// <param name="entity"><see cref="DynamicTableEntity">Entity</see> to get from</param>
/// <param name="property">Property expression</param>
/// <returns>Value of the property from the <see cref="DynamicTableEntity">entity</see></returns>
public static TProperty GetValue <TProperty>(DynamicTableEntity entity, Expression <Func <TTarget, TProperty> > property)
{
var propertyInfo = property.GetPropertyInfo();
return((TProperty)PropertyHelper.GetValue(entity, propertyInfo));
}
